April is the fourth month of the year in the Gregorian and Julian calendars. It is the first of four months to have a length of 30 days, and the second of five months to have a length of less than 31 days. April is commonly associated with the season of

autumn Autumn, also known as fall in American English and Canadian English, is one of the four temperate seasons on Earth. Outside the tropics, autumn marks the transition from summer to winter, in September ( Northern Hemisphere) or March ( ...

in parts of the Southern Hemisphere, and

spring Spring(s) may refer to: Common uses * Spring (season), a season of the year * Spring (device), a mechanical device that stores energy * Spring (hydrology), a natural source of water * Spring (mathematics), a geometric surface in the shape of a h ...

in parts of the

Northern Hemisphere The Northern Hemisphere is the half of Earth that is north of the Equator. For other planets in the Solar System, north is defined as being in the same celestial hemisphere relative to the invariable plane of the solar system as Earth's Nort ...

, where it is the seasonal equivalent to

October October is the tenth month of the year in the Julian and Gregorian calendars and the sixth of seven months to have a length of 31 days. The eighth month in the old calendar of Romulus , October retained its name (from Latin and Greek ''ôct ...

in the Southern Hemisphere and vice versa.

History

The Romans gave this month the

Latin Latin (, or , ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through ...

name ''

Aprilis ''Aprilis'' or ''mensis Aprilis'' (April) was the second month of the ancient Roman calendar, following '' Martius'' ( March) and preceding '' Maius'' (May). On the oldest Roman calendar that had begun with March, ''Aprilis'' was the second of te ...

''"April" in ''

Chambers's Encyclopædia ''Chambers's Encyclopaedia'' was founded in 1859Chambers, W. & R"Concluding Notice"in ''Chambers's Encyclopaedia''. London: W. & R. Chambers, 1868, Vol. 10, pp. v–viii. by William and Robert Chambers of Edinburgh and became one of the mos ...

''. London:

George Newnes Sir George Newnes, 1st Baronet (13 March 1851 – 9 June 1910) was a British publisher and editor and a founding figure in popular journalism. Newnes also served as a Liberal Party Member of Parliament for two decades. His company, George Newne ...

, 1961, Vol. 1, p. 497. but the derivation of this name is uncertain. The traditional etymology is from the verb ''aperire'', "to open", in allusion to its being the season when trees and flowers begin to "open", which is supported by comparison with the modern Greek use of άνοιξη (''ánixi'') (opening) for spring. Since some of the Roman months were named in honor of divinities, and as April was sacred to the goddess

Venus Venus is the second planet from the Sun. It is sometimes called Earth's "sister" or "twin" planet as it is almost as large and has a similar composition. As an interior planet to Earth, Venus (like Mercury) appears in Earth's sky never f ...

, her Veneralia being held on the first day, it has been suggested that Aprilis was originally her month Aphrilis, from her equivalent Greek goddess name

Aphrodite Aphrodite ( ; grc-gre, Ἀφροδίτη, Aphrodítē; , , ) is an ancient Greek goddess associated with love, lust, beauty, pleasure, passion, and procreation. She was syncretized with the Roman goddess . Aphrodite's major symbols incl ...

(''Aphros''), or from the Etruscan name ''

Apru APRU (the Association of Pacific Rim Universities) is a consortium of 61 leading research universities in 19 economies of the Pacific Rim. Formed in 1997,

''.

Jacob Grimm Jacob Ludwig Karl Grimm (4 January 1785 – 20 September 1863), also known as Ludwig Karl, was a German author, linguist, philologist, jurist, and folklorist. He is known as the discoverer of Grimm's law of linguistics, the co-author of t ...

suggests the name of a hypothetical god or hero, ''Aper'' or ''Aprus''. April was the second month of the earliest

Roman calendar The Roman calendar was the calendar used by the Roman Kingdom and Roman Republic. The term often includes the Julian calendar established by the reforms of the dictator Julius Caesar and emperor Augustus in the late 1stcenturyBC and some ...

, before '' Ianuarius'' and ''

Februarius ''Februarius'', fully ''Mensis Februarius'' ("month of Februa"), was the shortest month of the Roman calendar from which the Julian and Gregorian month of February derived. It was eventually placed second in order, preceded by '' Ianuarius'' ...

'' were added by King

Numa Pompilius Numa Pompilius (; 753–672 BC; reigned 715–672 BC) was the legendary second king of Rome, succeeding Romulus after a one-year interregnum. He was of Sabine origin, and many of Rome's most important religious and political institutions ar ...

about 700 BC. It became the fourth month of the calendar year (the year when twelve months are displayed in order) during the time of the

decemvirs The decemviri or decemvirs ( Latin for "ten men") were some of the several 10-man commissions established by the Roman Republic. The most important were those of the two Decemvirates, formally the " decemvirate with consular power for writin ...

about 450 BC, when it also was given 29 days. The 30th day was added during the reform of the calendar undertaken by

Julius Caesar Gaius Julius Caesar (; ; 12 July 100 BC – 15 March 44 BC), was a Roman general and statesman. A member of the First Triumvirate, Caesar led the Roman armies in the Gallic Wars before defeating his political rival Pompey in a civil war, an ...

in the mid-40s BC, which produced the Julian calendar. The

Anglo-Saxons The Anglo-Saxons were a cultural group who inhabited England in the Early Middle Ages. They traced their origins to settlers who came to Britain from mainland Europe in the 5th century. However, the ethnogenesis of the Anglo-Saxons happened ...

called April ''ēastre-monaþ''. The

Venerable Bede Bede ( ; ang, Bǣda , ; 672/326 May 735), also known as Saint Bede, The Venerable Bede, and Bede the Venerable ( la, Beda Venerabilis), was an English monk at the monastery of St Peter and its companion monastery of St Paul in the Kingdom ...

says in ''

The Reckoning of Time ''The Reckoning of Time'' ( la, De temporum ratione) is an Anglo-Saxon era treatise written in Medieval Latin by the Northumbrian monk Bede in 725. The treatise includes an introduction to the traditional ancient and medieval view of the cosm ...

'' that this month ''ēastre'' is the root of the word

Easter Easter,Traditional names for the feast in English are "Easter Day", as in the '' Book of Common Prayer''; "Easter Sunday", used by James Ussher''The Whole Works of the Most Rev. James Ussher, Volume 4'') and Samuel Pepys''The Diary of Samue ...

. He further states that the month was named after a goddess '' Eostre'' whose feast was in that month. It is also attested by

Einhard Einhard (also Eginhard or Einhart; la, E(g)inhardus; 775 – 14 March 840) was a Frankish scholar and courtier. Einhard was a dedicated servant of Charlemagne and his son Louis the Pious; his main work is a biography of Charlemagne, the ''Vita ...

in his work,

Vita Karoli Magni ''Vita Karoli Magni'' (''Life of Charlemagne'') is a biography of Charlemagne, King of the Franks and Holy Roman Emperor, written by Einhard.Ogg, p. 109 The ''Life of Charlemagne'' is a 33 chapter long account starting with the full of the Mero ...

St George Saint George ( Greek: Γεώργιος (Geórgios), Latin: Georgius, Arabic: القديس جرجس; died 23 April 303), also George of Lydda, was a Christian who is venerated as a saint in Christianity. According to tradition he was a soldier ...

's day is the twenty-third of the month; and St Mark's Eve, with its superstition that the ghosts of those who are doomed to die within the year will be seen to pass into the church, falls on the twenty-fourth. In

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...

the symbolic of the earth by the emperor and princes of the blood took place in their third month, which frequently corresponds to April. In Finnish April is ''huhtikuu'', meaning ''

slash-and-burn Slash-and-burn agriculture is a farming method that involves the cutting and burning of plants in a forest or woodland to create a field called a swidden. The method begins by cutting down the trees and woody plants in an area. The downed veget ...

moon'', when

gymnosperm The gymnosperms ( lit. revealed seeds) are a group of seed-producing plants that includes conifers, cycads, '' Ginkgo'', and gnetophytes, forming the clade Gymnospermae. The term ''gymnosperm'' comes from the composite word in el, γυμν ...

s for beat and burn clearing of farmland were felled. In Slovene, the most established traditional name is ''mali traven'', meaning the month when plants start growing. It was first written in 1466 in the Škofja Loka manuscript. The month Aprilis had 30 days;

made it 29 days long; finally

’s calendar reform made it again 30 days long, which was not changed in the calendar revision of

Augustus Caesar Caesar Augustus (born Gaius Octavius; 23 September 63 BC – 19 August AD 14), also known as Octavian, was the first Roman emperor; he reigned from 27 BC until his death in AD 14. He is known for being the founder of the Roman Pr ...

in 8 BC. Additionally in the Spanish colony, Las Islas Filipinas (now known as the Philippines), the month Aprilis had a significant meaning to the life of the natives as it was associated to the influence of the Chinese during the Spanish colonial period. The importance of this aspect to the lives of the natives was formerly associated to an event called "Abril na Ikaw" as it is closely linked to the famous trader, April Yu. In

Ancient Rome In modern historiography, ancient Rome refers to Roman people, Roman civilisation from the founding of the city of Rome in the 8th century BC to the collapse of the Western Roman Empire in the 5th century AD. It encompasses the Roman Kingdom ...

, the festival of Cerealia was held for seven days from mid-to-late April, but exact dates are uncertain. Feriae Latinae was also held in April, with the date varying. Other ancient Roman observances include Veneralia (April 1), Megalesia (April 10–16),

Fordicidia In ancient Roman religion, the Fordicidia was a festival of fertility, held on the Ides of April (April 15), that pertained to farming and animal husbandry. It involved the sacrifice of a pregnant cow to Tellus, the ancient Roman goddess of the ...

(April 15),

Parilia upright=1.5, ''Festa di Pales, o L'estate'' (1783), a reimagining of the Festival of Pales by Joseph-Benoît Suvée The Parilia is an ancient Roman festival of rural character performed annually on 21 April, aimed at cleansing both sheep and sh ...

(April 21), Vinalia Urbana,

Robigalia The Robigalia was a festival in ancient Roman religion held April 25, named for the god Robigus. Its main ritual was a dog sacrifice to protect grain fields from disease. Games (''ludi'') in the form of "major and minor" races were held. The Rob ...

, and Serapia were celebrated on (April 25).

Floralia The Floralia was a festival in ancient Roman religious practice in honor of the goddess Flora, held April 27 during the Republican era, or April 28 in the Julian calendar. The festival included ''Ludi Florae'', the "Games of Flora", which laste ...

was held April 27 during the Republican era, or April 28 on the

Julian calendar The Julian calendar, proposed by Roman consul Julius Caesar in 46 BC, was a reform of the Roman calendar. It took effect on , by edict. It was designed with the aid of Greek mathematicians and astronomers such as Sosigenes of Alexandri ...

, and lasted until May 3. However, these dates do not correspond to the modern

Gregorian calendar The Gregorian calendar is the calendar used in most parts of the world. It was introduced in October 1582 by Pope Gregory XIII as a modification of, and replacement for, the Julian calendar. The principal change was to space leap years d ...

. The Lyrids

meteor shower A meteor shower is a celestial event in which a number of meteors are observed to radiate, or originate, from one point in the night sky. These meteors are caused by streams of cosmic debris called meteoroids entering Earth's atmosphere at extr ...

appears on April 16 – April 26 each year, with the peak generally occurring on April 22. Eta Aquariids meteor shower also appears in April. It is visible from about April 21 to about May 20 each year with peak activity on or around May 6. The

Pi Puppids The pi Puppids are a meteor shower associated with the comet 26P/Grigg-Skjellerup. The meteor stream was viewable around April 23 but only in years around the parent comet's perihelion date, the last being in 2003. However, as the planet Jupite ...

appear on April 23, but only in years around the parent comet's

perihelion An apsis (; ) is the farthest or nearest point in the orbit of a planetary body about its primary body. For example, the apsides of the Earth are called the aphelion and perihelion. General description There are two apsides in any elli ...

date. The

Virginids The Virginids are a meteor shower. There are many major and minor meteor shower streams that occur during the Virginid Complex, including the Alpha Virginids, Gamma Virginids, Eta Virginids, Theta Virginids, Iota Virginids, Lambda Virginids, Mu Virg ...

also shower at various dates in April. The "Days of April" (''journées d'avril'') is a name assigned in French history to a series of insurrections at Lyons, Paris and elsewhere, against the government of Louis Philippe in 1834, which led to violent repressive measures, and to a famous trial known as the ''procès d'avril''.

April symbols

April's

birthstone A birthstone is a gemstone that represents a person's period of birth that is usually the month or zodiac sign. Birthstones are often worn as jewelry or as a pendant necklace. History of birthstones Western custom The first century historian ...

is the

diamond Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. Another solid form of carbon known as graphite is the chemically stable form of carbon at room temperature and pressure, b ...

. *

The

birth flower Floriography (language of flowers) is a means of cryptological communication through the use or arrangement of flowers. Meaning has been attributed to flowers for thousands of years, and some form of floriography has been practiced in tradition ...

is typically listed as either the common daisy ''(Bellis perennis)'' or the sweet pea. * The

zodiac The zodiac is a belt-shaped region of the sky that extends approximately 8° north or south (as measured in celestial latitude) of the ecliptic, the apparent path of the Sun across the celestial sphere over the course of the year. The pa ...

signs for the month of April are Aries (until April 19) and Taurus (April 20 onwards).. Signs in UT/GMT for 1950–2030.

April observances

''This list does not necessarily imply either official status nor general observance.''

Month-long observances

*In

Catholic The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...

Protestant Protestantism is a Christian denomination, branch of Christianity that follows the theological tenets of the Reformation, Protestant Reformation, a movement that began seeking to reform the Catholic Church from within in the 16th century agai ...

and Orthodox

tradition A tradition is a belief or behavior (folk custom) passed down within a group or society with symbolic meaning or special significance with origins in the past. A component of cultural expressions and folklore, common examples include holidays or ...

, April is the Month of the Resurrection of the Lord. April and March are the months in which is celebrated the moveable Feast of

Easter Sunday Easter,Traditional names for the feast in English are "Easter Day", as in the ''Book of Common Prayer''; "Easter Sunday", used by James Ussher''The Whole Works of the Most Rev. James Ussher, Volume 4'') and Samuel Pepys''The Diary of Samuel P ...

. * National Pet Month (

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and ...

)

United States

Arab American Heritage Month National Arab American Heritage Month (NAAHM) takes place in April. It celebrates the Arab American heritage and culture and pays tribute to the contributions of Arab Americans and Arabic-speaking Americans. History Beginning in the 1990s, Arab A ...

*Autism Awareness Month *

Cancer Control Month Cancer Control Month is a month-long United States observance established by . 2013 edition (a) The president is requested to issue each year a proclamation— :(1) designating April as Cancer Control Month; :(2) to invite each year the chie ...

Community College A community college is a type of educational institution. The term can have different meanings in different countries: many community colleges have an "open enrollment" for students who have graduated from high school (also known as senior s ...

Awareness Month * Confederate History Month (

Alabama (We dare defend our rights) , anthem = " Alabama" , image_map = Alabama in United States.svg , seat = Montgomery , LargestCity = Huntsville , LargestCounty = Baldwin County , LargestMetro = Greater Birmingham , area_total_km2 = 135,7 ...

Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and ...

Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...

Louisiana Louisiana , group=pronunciation (French: ''La Louisiane'') is a state in the Deep South and South Central regions of the United States. It is the 20th-smallest by area and the 25th most populous of the 50 U.S. states. Louisiana is bord ...

Mississippi Mississippi () is a state in the Southeastern region of the United States, bordered to the north by Tennessee; to the east by Alabama; to the south by the Gulf of Mexico; to the southwest by Louisiana; and to the northwest by Arkansas. Miss ...

Texas Texas (, ; Spanish: ''Texas'', ''Tejas'') is a state in the South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2020, it is the second-largest U.S. state by ...

Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth are ...

) * Donate Life Month * Financial Literacy Month * Jazz Appreciation Month * Mathematics and Statistics Awareness Month * Month of the Military Child * National Poetry Month * National Poetry Writing Month * Occupational Therapy Month * National Prevent Child Abuse Month * National Volunteer Month * Parkinson's Disease Awareness Month *Rosacea Awareness Month * Sexual Assault Awareness Month

United States Food months

*Fresh Florida Tomato Month *National Food Month *National Grilled Cheese Month *National Pecan Month *National Soft Pretzel Month *National Soyfoods Month

Non-Gregorian observances: 2021

''(All Baha'i, Islamic, and Jewish observances begin at the sundown prior to the date listed, and end at sundown of the date in question unless otherwise noted.)'' *

List of observances set by the Bahá'í calendar A ''list'' is any set of items in a row. List or lists may also refer to: People * List (surname) Organizations * List College, an undergraduate division of the Jewish Theological Seminary of America * SC Germania List, German rugby unio ...

List of observances set by the Chinese calendar The traditional Chinese holidays are an essential part of harvests or prayer offerings. The most important Chinese holiday is the Chinese New Year (Spring Festival), which is also celebrated in overseas ethnic Chinese communities (for example in ...

* List of observances set by the Hebrew calendar * List of observances set by the Islamic calendar * List of observances set by the Solar Hijri calendar

Movable observances, 2021 dates

* Youth Homelessness Matters Day * National Health Day (

Kiribati Kiribati (), officially the Republic of Kiribati ( gil, ibaberikiKiribati),Kiribati
''The Wor ...

): April 6 * Oral, Head and Neck Cancer Awareness Week (

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...

): April 13–19 * National Park Week (

): April 18–26 *

Crime Victims' Rights Week National Crime Victims' Rights Week is an annual commemoration in the United States that promotes victims' rights and services. The week is marked by an award ceremony held in Washington, D.C., in which individuals and organizations that demonstra ...

(

): April 19–25 * National Volunteer Week: April 19–25 *

European Immunization Week European Immunization Week (EIW) is an annual regional initiative, coordinated by the World Health Organization Regional Office for Europe (WHO/Europe), to promote immunization against vaccine-preventable diseases since its launch in 2008. EIW acti ...

: April 20–26 * Day of Silence (

): April 24 * Pay It Forward Day: April 28 (

International observance Lists of holidays by various categorizations. Religious holidays Abrahamic holidays (Middle Eastern) Jewish holidays * Chag HaMatzot (Feast of Unleavened Bread – 7 days of consumption of matzo with wine and avoidance of leavened food ...

) *

Denim Day Denim Day takes place on the last Wednesday of April, which is Sexual Assault Awareness Month. This day of action and awareness is an event in which people are encouraged to wear denim to combat victim blaming and educate others about sexual viole ...

: April 29 (

) *

Day of Dialogue In the United States, the Day of Dialogue (formerly Day of Truth) is the Christian fundamentalist group Focus on the Family's annual event to oppose LGBTQ rights. It was founded by the Alliance Defense Fund in 2005 to oppose the Day of Silence, ...

(

) *

Vaccination Week In The Americas Vaccination Week In The Americas (VWA) is an annual public health campaign by the member states of the Pan American Health Organization (PAHO) to promote equity and access to immunization. It is marked each year during the last week of April. Sinc ...

*See:

List of movable Western Christian observances {{Use mdy dates, date=July 2017 This is a list of movable observances within Western Christianity. It includes secular observances which are calculated by religious observances. ''This list does not necessarily imply either official status nor gen ...

*See: List of movable Eastern Christian observances

First Wednesday: April 1

* National Day of Hope (

)

First Saturday: April 4

Ulcinj Municipality Day Ulcinj Municipality ( Montenegrin: Opština Ulcinj / Општина Улцињ; Albanian: Komuna e Ulqinit) is the southernmost municipality of Montenegro, bordered by Albania to the east, Bar Municipality to the north and Adriatic Sea to the so ...

( Ulcinj,

Montenegro ) , image_map = Europe-Montenegro.svg , map_caption = , image_map2 = , capital = Podgorica , coordinates = , largest_city = capital , official_languages = ...

)

First Sunday: April 5

Daylight saving time Daylight saving time (DST), also referred to as daylight savings time or simply daylight time (United States, Canada, and Australia), and summer time (United Kingdom, European Union, and others), is the practice of advancing clocks (typicall ...

ends (

Australia Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. With an area of , Australia is the largest country by ...

and

New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island coun ...

) *

Geologists Day Geologists Day is an official holiday for geologists, geophysicists and geochemists in Russia and other former states of the Soviet Union, Established in 1966, the holiday is traditionally celebrated on the first Sunday of April. Geologists Day ...

(former

Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen nationa ...

countries) * Kanamara Matsuri ( Kawasaki, Japan) *

Opening Day Opening Day is the day on which professional baseball leagues begin their regular season. For Major League Baseball (MLB) and most of the American minor leagues, this day typically falls during the first week of April, although in recent years ...

(

)

First full week: April 5–11

National Library Week First sponsored in 1958, National Library Week (NLW) is a national observance sponsored by the American Library Association (ALA) and libraries across the United States each April, typically the second full week. It promotes library use and suppor ...

(

) ** National Library Workers Day (

) (Tuesday of National Library week, April 4) ** National Bookmobile Day (Wednesday of National Library week, April 5) * National Public Health Week (

) * National Public Safety Telecommunicators Week (

)

= Second Wednesday: April 8

= *

International Day of Pink The International Day of Pink is a worldwide anti-bullying and anti-homophobia event held annually during the second week of April. Though similar to Pink Shirt Day (held in February) in that it also seeks to end all bullying, the Day of Pink i ...

= Second Thursday: April 9

= * National Former Prisoner of War Recognition Day (

)

= Second Friday of April: April 10

= * Fast and Prayer Day (

Liberia Liberia (), officially the Republic of Liberia, is a country on the West African coast. It is bordered by Sierra Leone to Liberia–Sierra Leone border, its northwest, Guinea to Guinea–Liberia border, its north, Ivory Coast to Ivory Coast� ...

) * Air Force Day (

Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-ei ...

) * Kamakura Matsuri at Tsurugaoka Hachiman (

Kamakura is a city in Kanagawa Prefecture, Japan. Kamakura has an estimated population of 172,929 (1 September 2020) and a population density of 4,359 persons per km² over the total area of . Kamakura was designated as a city on 3 November 1939. Kamak ...

, Japan), lasts until third Sunday.

Second Sunday: April 12

Children's Day Children's Day is a commemorative date celebrated annually in honor of children, whose date of observance varies by country. In 1925, International Children's Day was first proclaimed in Geneva during the World Conference on Child Welfare. Sin ...

(

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = National seal , national_motto = "Firm and Happy f ...

)

Week of April 14: April 12–18

* Pan-American Week (

)

Third Wednesday: April 15

* Administrative Professionals' Day (

)

Third Thursday: April 16

* National High Five Day (

)

Third Saturday: April 18

Record Store Day Record Store Day is an annual event inaugurated in 2007 and held on one Saturday (typically the third) every April and every Black Friday in November to "celebrate the culture of the independently owned record store". The day brings together fa ...

(

)

Last full week of April: April 19–25

* Administrative Professionals Week (

Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federal constitutional monarchy consists of thirteen states and three federal territories, separated by the South China Sea into two regions: Peninsular Malaysia and Borneo's East Mal ...

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and th ...

) * World Immunization Week

Week of April 23: April 19–25

* Canada Book Week (

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by to ...

)

Week of the
New Moon In astronomy, the new moon is the first lunar phase, when the Moon and Sun have the same ecliptic longitude. At this phase, the lunar disk is not visible to the naked eye, except when it is silhouetted against the Sun during a solar ecl ...
: April 19–25

National Dark-Sky Week International Dark Sky Week (formerly the National Dark Sky Week) is held during the week of the new moon in April, when people worldwide may turn off their lights to observe the beauty of the night sky without light pollution. This event was fo ...

(

)

Third Monday: April 20

* Patriots' Day (

Massachusetts Massachusetts (Massachusett: ''Muhsachuweesut Massachusett_writing_systems.html" ;"title="nowiki/> məhswatʃəwiːsət.html" ;"title="Massachusett writing systems">məhswatʃəwiːsət">Massachusett writing systems">məhswatʃəwiːsət'' En ...

Maine Maine () is a state in the New England and Northeastern regions of the United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Canadian provinces of New Brunswick and Quebec to the northeast and nor ...

) * Queen's Official Birthday (

Saint Helena, Ascension and Tristan da Cunha Saint Helena, Ascension and Tristan da Cunha is a British Overseas Territory located in the South Atlantic and consisting of the island of Saint Helena, Ascension Island and the archipelago of Tristan da Cunha including Gough Island. Its name wa ...

) *

Sechseläuten The ''Sechseläuten'' (Zürich German: ''Sächsilüüte'', "The six o'clock ringing of the bells") is a traditional spring holiday in the Swiss city of Zürich celebrated in its current form, usually on the 3rd Monday of April, since the early 2 ...

(

Zürich , neighboring_municipalities = Adliswil, Dübendorf, Fällanden, Kilchberg, Maur, Oberengstringen, Opfikon, Regensdorf, Rümlang, Schlieren, Stallikon, Uitikon, Urdorf, Wallisellen, Zollikon , twintowns = Kunming, San Francisco Z ...

Switzerland ). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...

)

= Wednesday of last full week of April: April 22

= * Administrative Professionals' Day (

Hong Kong Hong Kong ( (US) or (UK); , ), officially the Hong Kong Special Administrative Region of the People's Republic of China (abbr. Hong Kong SAR or HKSAR), is a List of cities in China, city and Special administrative regions of China, special ...

)

First Thursday after April 18: April 23

First Day of Summer The first day of summer ( ) is an annual public holiday in Iceland that is celebrated on the first Thursday after 18 April (some time between 19-25 April). It is a celebration of the start of the first summer month () of the old Icelandic calen ...

(

Iceland Iceland ( is, Ísland; ) is a Nordic island country in the North Atlantic Ocean and in the Arctic Ocean. Iceland is the most sparsely populated country in Europe. Iceland's capital and largest city is Reykjavík, which (along with its ...

)

= Fourth Thursday: April 23

= * Take Our Daughters And Sons To Work Day (

)

= Last Friday: April 24

= *

Arbor Day Arbor Day (or Arbour in some countries) is a secular day of observance in which individuals and groups are encouraged to plant trees. Today, many countries observe such a holiday. Though usually observed in the spring, the date varies, dependi ...

(

) * Día de la Chupina (

Rosario Rosario () is the largest city in the central Argentine province of Santa Fe. The city is located northwest of Buenos Aires, on the west bank of the Paraná River. Rosario is the third-most populous city in the country, and is also the most p ...

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the List of South American countries by area, second-largest ...

)

Last Friday in April to first Sunday in May: April 24-May 3

* Arbour Week in

Ontario Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central Ca ...

= Last Saturday: April 25

= *

(

Colombia Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular regions in North America—near Nicaragua's Caribbean coast—as well as in the Pacific Ocean. The Colombian mainland is bordered by the ...

) * National Rebuilding Day (

) * National Sense of Smell Day (

) * World Tai Chi and Qigong Day

= Last Sunday: April 26

= * Flag Day (

Åland Åland ( fi, Ahvenanmaa: ; ; ) is an autonomous and demilitarised region of Finland since 1920 by a decision of the League of Nations. It is the smallest region of Finland by area and population, with a size of 1,580 km2, and a populat ...

Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of Bot ...

) * Turkmen Racing Horse Festival (

Turkmenistan Turkmenistan ( or ; tk, Türkmenistan / Түркменистан, ) is a country located in Central Asia, bordered by Kazakhstan to the northwest, Uzbekistan to the north, east and northeast, Afghanistan to the southeast, Iran to the s ...

)

= April 27 (moves to April 26 if April 27 is on a Sunday): April 27

= * Koningsdag (

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

)

= Last Monday: April 27

= * Confederate Memorial Day (

Georgia (U.S. state) Georgia is a state in the Southeastern region of the United States, bordered to the north by Tennessee and North Carolina; to the northeast by South Carolina; to the southeast by the Atlantic Ocean; to the south by Florida; and to the west ...

, and

)

= Last Wednesday: April 29

= *

International Noise Awareness Day International Noise Awareness Day is a global campaign, founded in 1996 by the Center for Hearing and Communication (CHC), aiming to raise awareness of the effects of noise on the welfare and health of people. Noise affects people in many ways, b ...

Fixed observances

April 1 Events Pre-1600 * 33 – According to one historian's account, Jesus Christ's Last Supper is held. * 527 – Byzantine Emperor Justin I names his nephew Justinian I as co-ruler and successor to the throne. *1081 – Alexios I Ko ...

April Fools' Day April Fools' Day or All Fools' Day is an annual custom on 1 April consisting of practical jokes and hoaxes. Jokesters often expose their actions by shouting "April Fools!" at the recipient. Mass media can be involved in these pranks, which may ...

(

Tanzania Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the African Great Lakes region. It borders Uganda to the north; Kenya to the northeast; Comoro Islands ...

) ** Civil Service Day (

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is b ...

) ** Cyprus National Day (

Cyprus Cyprus ; tr, Kıbrıs (), officially the Republic of Cyprus,, , lit: Republic of Cyprus is an island country located south of the Anatolian Peninsula in the eastern Mediterranean Sea. Its continental position is disputed; while it is ...

) ** Edible Book Day **

Fossil Fools Day Fossil Fools Day is an environmental demonstration day. It occurs on April 1. The name is a play on the term fossil fuels and April Fools' Day. Fossil Fools Day began in 2004 with coordinated actions across the United States and Canada. Subse ...

** Kha b-Nisan ( Assyrian people) ** National Civil Service Day (

) ** Odisha Day (

Odisha Odisha (English: , ), formerly Orissa ( the official name until 2011), is an Indian state located in Eastern India. It is the 8th largest state by area, and the 11th largest by population. The state has the third largest population of ...

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...

) **Start of Testicular Cancer Awareness week (

), April 1–7 ** Season for Nonviolence January 30 – April 4 *

April 2 Events Pre-1600 *1513 – Having spotted land on March 27, Spanish explorer Juan Ponce de León comes ashore on what is now the U.S. state of Florida, landing somewhere between the modern city of St. Augustine and the mouth of the St. Joh ...

International Children's Book Day International Children's Book Day (ICBD) is a yearly event sponsored by the International Board on Books for Young People (IBBY), an international non-profit organization. Founded in 1967, the day is observed on or around Hans Christian Andersen' ...

(

) **

Malvinas Day Malvinas Day (), officially Day of the Veterans and Fallen of the Malvinas War (''Día del Veterano y de los Caídos en la Guerra de las Malvinas''), is a public holiday in Argentina, observed each year on 2 April. The name refers to the Falkl ...

(

) ** National Peanut Butter and Jelly Day (

) ** Thai Heritage Conservation Day (

) ** Unity of Peoples of Russia and Belarus Day (

Belarus Belarus,, , ; alternatively and formerly known as Byelorussia (from Russian ). officially the Republic of Belarus,; rus, Республика Беларусь, Respublika Belarus. is a landlocked country in Eastern Europe. It is bordered by ...

) **

World Autism Awareness Day World Autism Awareness Day is an internationally recognized day annually on April 2nd, encouraging Member States of the United Nations to take measures to raise awareness about autistic individuals throughout the world. It was designated by the ...

(

) *

April 3 Events Pre-1600 * 686 – Maya king Yuknoom Yich'aak K'ahk' assumes the crown of Calakmul. *1043 – Edward the Confessor is crowned King of England. *1077 – The Patriarchate of Friûl, the first Friulian state, is created. * ...

April 4 Events Pre-1600 *503 BC – Roman consul Agrippa Menenius Lanatus celebrates a triumph for a military victory over the Sabines. * 190 – Dong Zhuo has his troops evacuate the capital Luoyang and burn it to the ground. * 611 &ndas ...

(

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the no ...

) ** Independence Day (Senegal) ** International Day for Mine Awareness and Assistance in Mine Action **

Peace Day (Angola) Angola has twelve public holidays that can be increased by bridge holidays if a holiday falls on a Tuesday or Thursday. 2022 has fifteen national holidays. Notes References Angola Angolan culture Society of Angola Holidays A holi ...

April 5 Events Pre-1600 * 823 – Lothair I is crowned King of Italy by Pope Paschal I. * 919 – The second Fatimid invasion of Egypt begins, when the Fatimid heir-apparent, al-Qa'im bi-Amr Allah, sets out from Raqqada at the head of his ...

(

Palestinian territories The Palestinian territories are the two regions of the former British Mandate for Palestine that have been militarily occupied by Israel since the Six-Day War of 1967, namely: the West Bank (including East Jerusalem) and the Gaza Strip. The ...

) ** National Caramel Day (United States) ** Sikmogil (South Korea) * April 6 ** Chakri Day (Thailand) **

National Beer Day (United Kingdom) Beer Day Britain is an annual event celebrating beer in the United Kingdom. The date has been celebrated annually on 15 June since 2015. It is supported by the British Beer and Pub Association, the Society of Independent Brewers (SIBA), and the C ...

** New Beer's Eve (United States) ** Tartan Day (United States & Canada) * April 7 ** Flag Day (Slovenia) **

Genocide Memorial Day (Rwanda) This is a list of public holidays in Rwanda. Rwanda observes fourteen regular public holidays. Additionally, the week following Genocide Memorial Day on 7 April is designated an official week of mourning. The last Saturday of each month is ''umuga ...

, and its related observance: *** International Day of Reflection on the 1994 Rwanda Genocide (

United Nations The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and security, develop friendly relations among nations, achieve international cooperation, and be a centre for harmoni ...

) ** Motherhood and Beauty Day (Armenia) ** National Beer Day (United States) ** No Housework Day **

Sheikh Abeid Amani Karume Day Public holidays in Tanzania are in accordance with the Public Holidays Ordinance (Amended) Act, 1966 and are observed throughout the nation. Background The Public Holidays Ordinance (Amended) Act, 1966 lists twelve public holidays in its schedule ...

(Tanzania) ** Women's Day (Mozambique) ** World Health Day (

) *

April 8 Events Pre-1600 * 217 – Roman emperor Caracalla is assassinated and is succeeded by his Praetorian Guard prefect, Marcus Opellius Macrinus. * 876 – The Battle of Dayr al-'Aqul saves Baghdad from the Saffarids. *1139 – Ro ...

Buddha's Birthday Buddha's Birthday (also known as Buddha Jayanti, also known as his day of enlightenment – Buddha Purnima, Buddha Pournami) is a Buddhist festival that is celebrated in most of East Asia and South Asia commemorating the birth of the Prince ...

(Japan only, other countries follow different calendars) ** Feast of the First Day of the Writing of the Book of the Law (

Thelema Thelema () is a Western esoteric and occult social or spiritual philosophy and new religious movement founded in the early 1900s by Aleister Crowley (1875–1947), an English writer, mystic, occultist, and ceremonial magician. The word ' ...

) ** International Romani Day (

) ** Trading Cards for Grown-ups Day *

April 9 Events Pre-1600 * 193 – The distinguished soldier Septimius Severus is proclaimed emperor by the army in Illyricum. * 475 – Byzantine Emperor Basiliscus issues a circular letter (''Enkyklikon'') to the bishops of his empire, su ...

Anniversary of the German Invasion of Denmark Public holidays in Denmark Other special days Some of these days derive from politics, and some from Roman Catholic traditions that predate the current national church. Some are simply the Scandinavian tradition of starting the celebrations ...

(Denmark) ** Baghdad Liberation Day (

Iraqi Kurdistan Iraqi Kurdistan or Southern Kurdistan ( ku, باشووری کوردستان, Başûrê Kurdistanê) refers to the Kurdish-populated part of northern Iraq. It is considered one of the four parts of "Kurdistan" in Western Asia, which also inc ...

) ** Constitution Day (Kosovo) ** Day of National Unity (Georgia) ** Day of the Finnish Language (Finland) **

Day of Valor The Day of Valor, officially known as , is a national observance in the Philippines which commemorates the fall of Bataan to Japanese troops during World War II. It falls every April 9, although in 2009, its celebration was moved to April 6 t ...

or ''Araw ng Kagitingan'' (Philippines) **

Feast of the Second Day of the Writing of the Book of the Law Thelema () is a Western esoteric and occult social or spiritual philosophy and new religious movement founded in the early 1900s by Aleister Crowley (1875–1947), an English writer, mystic, occultist, and ceremonial magician. The word ' ...

(

) ** International Banshtai Tsai Day **

Martyr's Day (Tunisia) Martyrs' Day is an annual day observed by nations to salute the martyrdom of soldiers who lost their lives defending the sovereignty of the nation. The actual date may vary from one country to another. Here is a list of countries and Martyrs' Days. ...

** National Former Prisoner of War Recognition Day (United States) ** Remembrance for Haakon Sigurdsson ( The Troth) **

Vimy Ridge Day Vimy Ridge Day is a day to commemorate the deaths and casualties of members of the Canadian Corps in the Battle of Vimy Ridge, which took place during the World War I, First World War. The holiday has been observed annually on 9 April since 2003. ...

(Canada) *

April 10 Events Pre-1600 * 428 – Nestorius becomes the Patriarch of Constantinople. * 837 – Halley's Comet makes its closest approach to Earth at a distance equal to 0.0342 AU (5.1 million kilometres/3.2 million miles). * 1407 ...

** Day of the Builder (Azerbaijan) **

Feast of the Third Day of the Writing of the Book of the Law Thelema () is a Western esoteric and occult social or spiritual philosophy and new religious movement founded in the early 1900s by Aleister Crowley (1875–1947), an English writer, mystic, occultist, and ceremonial magician. The word ' ...

(

) **

Siblings Day A sibling is a relative that shares at least one parent with the subject. A male sibling is a brother and a female sibling is a sister. A person with no siblings is an only child. While some circumstances can cause siblings to be raised sep ...

(

) * April 11 ** Juan Santamaría Day, anniversary of his death in the Second Battle of Rivas. (Costa Rica) ** International Louie Louie Day ** National Cheese Fondue Day (United States) **

World Parkinson's Day James Parkinson (11 April 175521 December 1824) was an English surgeon, apothecary, geologist, palaeontologist and political activist. He is best known for his 1817 work ''An Essay on the Shaking Palsy'', in which he was the first to describe ...

April 12 Events Pre-1600 * 240 – Shapur I becomes co-emperor of the Sasanian Empire with his father Ardashir I. * 467 – Anthemius is elevated to Emperor of the Western Roman Empire. * 627 – King Edwin of Northumbria is converted to ...

(Bolivia and Haiti) **Commemoration of first human in space by

Yuri Gagarin Yuri Alekseyevich Gagarin; Gagarin's first name is sometimes transliterated as ''Yuriy'', ''Youri'', or ''Yury''. (9 March 1934 – 27 March 1968) was a Soviet pilot and cosmonaut who became the first human to journey into outer space. T ...

: ***

Cosmonautics Day Cosmonautics Day (russian: День Космона́втики, ''Den Kosmonavtiki'') is an anniversary celebrated in Russia and some other former Soviet Union countries on 12 April.

(Russia) ***

International Day of Human Space Flight The International Day of Human Space Flight is the annual celebration, held on 12 April, of the anniversary of the first human space flight by Yuri Gagarin (USSR). It was proclaimed at the 65th session of the United Nations General Assembly on 7 A ...

***

Yuri's Night Yuri's Night is an international celebration held every April 12 to commemorate milestones in space exploration. It is named for the first human to launch into space, Yuri Gagarin, who flew the Vostok 1 spaceship on April 12, 1961. In 2011, Yur ...

(

) ** Halifax Day (

North Carolina North Carolina () is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. The state is the List of U.S. states and territories by area, 28th largest and List of states and territories of the United ...

) ** National Grilled Cheese Sandwich Day (United States) ** National Redemption Day (Liberia) ** Walk on Your Wild Side Day *

April 13 Events Pre-1600 * 1111 – Henry V is crowned Holy Roman Emperor. * 1204 – Constantinople falls to the Crusaders of the Fourth Crusade, temporarily ending the Byzantine Empire. 1601–1900 *1612 – In one of the epic samurai ...

Jefferson's Birthday Jefferson's Birthday officially honors the birth of the third U.S. president, Thomas Jefferson on April 13, 1743. This day was recognized by Franklin D. Roosevelt as part of Presidential Proclamation 2276, issued on March 21, 1938. President Ge ...

(United States) ** Katyn Memorial Day (

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populou ...

) **

Teacher's Day Teachers' Day is a special day for the appreciation of teachers, and may include celebrations to honor them for their special contributions in a particular field area, or the community tone in education. This is the primary reason why countries c ...

(

Ecuador Ecuador ( ; ; Quechua: ''Ikwayur''; Shuar: ''Ecuador'' or ''Ekuatur''), officially the Republic of Ecuador ( es, República del Ecuador, which literally translates as "Republic of the Equator"; Quechua: ''Ikwadur Ripuwlika''; Shuar: ' ...

) **First day of

Thingyan Thingyan (, ; Arakanese: ; from Sanskrit '' saṁkrānti,'' which means "transit f the Sun from Pisces to Aries) is the Burmese New Year Festival that usually occurs in middle of April. Thingyan is the first ever water festival celebrated i ...

(

Myanmar Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John Wells explai ...

) (April 13–16) ** Unfairly Prosecuted Persons Day (

Slovakia Slovakia (; sk, Slovensko ), officially the Slovak Republic ( sk, Slovenská republika, links=no ), is a landlocked country in Central Europe. It is bordered by Poland to the north, Ukraine to the east, Hungary to the south, Austria to the ...

) *

April 14 Events Pre-1600 * 43 BC – Legions loyal to the Roman Senate, commanded by Gaius Pansa, defeat the forces of Mark Antony in the Battle of Forum Gallorum. * 69 – Vitellius, commanding Rhine-based armies, defeats Roman emperor O ...

** ʔabusibaree (

Okinawa Islands The Okinawa Islands ( or ) are an island group in Okinawa Prefecture, Japan and are the principal island group of the prefecture. The Okinawa Islands are part of the larger Ryukyu Islands group and are located between the Amami Islands of Kago ...

, Japan) **

Ambedkar Jayanti Ambedkar Jayanti or Bhim Jayanti is an annual festival observed on 14 April to commemorate the memory of B. R. Ambedkar, Indian politician and civil rights activist. It marks Dr. Babasaheb Ambedkar's birthday who was born on 14 April 1891. Si ...

(India) ** Black Day (South Korea) ** Commemoration of Anfal Genocide Against the Kurds (

) **

Dhivehi Language Day Maldivian, also known by its endonym Dhivehi or Divehi ( ; '' dv, links=no, ދިވެހި'', ), is an Indo-Aryan languages, Indo-Aryan language spoken in the South Asian island country of Maldives and on Minicoy, Minicoy Island, Lakshadweep, u ...

(Maldives) ** Day of Mologa (

Yaroslavl Oblast Yaroslavl Oblast (russian: Яросла́вская о́бласть, ''Yaroslavskaya oblast'') is a federal subject of Russia (an oblast), which is located in the Central Federal District, surrounded by Tver, Moscow, Ivanovo, Vladimir, Kostr ...

, Russia) ** Day of the Georgian language (

Georgia (country) Georgia (, ; ) is a transcontinental country at the intersection of Eastern Europe and Western Asia. It is part of the Caucasus region, bounded by the Black Sea to the west, by Russia to the north and northeast, by Turkey to the southwes ...

) ** Season of Emancipation (April 14 to August 23) (Barbados) ** N'Ko Alphabet Day ( Mande speakers) **

Pohela Boishakh Pohela Boishakh ( bn, পহেলা বৈশাখ) is the first day of the Bengali calendar which is also the official calendar of Bangladesh. This festival is celebrated on 14 April in Bangladesh and 15 April in the Indian states of W ...

(Bangladesh) **

Pana Sankranti Pana Sankranti, ( or, ପଣା ସଙ୍କ୍ରାନ୍ତି) also known as Maha Bishuba Sankranti ( or, ମହା ବିଷୁବ ସଙ୍କ୍ରାନ୍ତି), is the traditional new year day festival of Odia people in Odisha, India. ...

(

, India) ** Puthandu (

Tamils The Tamil people, also known as Tamilar ( ta, தமிழர், Tamiḻar, translit-std=ISO, in the singular or ta, தமிழர்கள், Tamiḻarkaḷ, translit-std=ISO, label=none, in the plural), or simply Tamils (), are a Drav ...

) (India, Malaysia, Singapore, Sri Lanka) **Second day of

Songkran (Thailand) Songkran ( th, เทศกาลสงกรานต์, ) is the Thai New Year's national holiday. Songkran is on 13 April every year, but the holiday period extends from 14 to 15 April. In 2018 the Thai cabinet extended the festival ...

(Thailand) ** Pan American Day (several countries in the Americas) **The first day of Takayama Spring Festival (

Takayama, Gifu Takayama City Hall is a city located in Gifu Prefecture, Japan. , the city had an estimated population of 88,473 in 35,644 households, and a population density of 41 persons per km2. The total area of the city was making it the largest city ...

, Japan) ** Vaisakh (

Punjab (region) Punjab (; Punjabi: پنجاب ; ਪੰਜਾਬ ; ; also romanised as ''Panjāb'' or ''Panj-Āb'') is a geopolitical, cultural, and historical region in South Asia, specifically in the northern part of the Indian subcontinent, comprisin ...

), (India and Pakistan) ** Youth Day (Angola) *

April 15 Events Pre-1600 * 769 – The Lateran Council ends by condemning the Council of Hieria and anathematizing its iconoclastic rulings. * 1071 – Bari, the last Byzantine possession in southern Italy, is surrendered to Robert Guiscar ...

** Day of the Sun (North Korea). ** Hillsborough Disaster Memorial (

Liverpool Liverpool is a City status in the United Kingdom, city and metropolitan borough in Merseyside, England. With a population of in 2019, it is the List of English districts by population, 10th largest English district by population and its E ...

, England) **

Jackie Robinson Day Jackie Robinson Day is a traditional event which occurs annually on April 15 in Major League Baseball (MLB), commemorating and honoring the day Jackie Robinson made his major league debut. Celebrated at MLB ballparks, on that one day, all player ...

(United States) **

(

West Bengal West Bengal (, Bengali: ''Poshchim Bongo'', , abbr. WB) is a state in the eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabitants within an area of . West Bengal is the fou ...

, India) (Note: celebrated on

in Bangladesh) **Last day of

(Thailand) **

Tax Day In the United States, Tax Day is the day on which individual income tax returns are due to be submitted to the federal government. Since 1955, Tax Day has typically fallen on or just after April 15. Tax Day was first introduced in 1913, when th ...

, the official deadline for filing an individual

tax return A tax return is the completion of documentation that calculates an entity or individual's income earned and the amount of taxes to be paid to the government or government organizations or, potentially, back to the taxpayer. Taxation is one ...

(or requesting an extension). (United States, Philippines) ** Universal Day of Culture **

World Art Day World Art Day is an international celebration of the fine arts which was declared by the International Association of Art (IAA) in order to promote awareness of creative activity worldwide. Establishment A proposal was put forward at the 17th Gen ...

* April 16 ** Birthday of José de Diego (Puerto Rico, United States) **

Birthday of Queen Margrethe II Public holidays in Denmark Other special days Some of these days derive from politics, and some from Roman Catholic traditions that predate the current national church. Some are simply the Scandinavian tradition of starting the celebrations ...

(Denmark) **

Emancipation Day Emancipation Day is observed in many former European colonies in the Caribbean and areas of the United States on various dates to commemorate the emancipation of slaves of African descent. On August 1, 1985, Trinidad and Tobago became the fir ...

( Washington, D.C., United States) ** Foursquare Day (

) ** Memorial Day for the Victims of the Holocaust (Hungary) ** National Healthcare Decisions Day (United States) ** Remembrance of Chemical Attack on Balisan and Sheikh Wasan (

) **

World Voice Day World Voice Day (WVD) is a worldwide annual event that takes place on April 16 devoted to the celebration of the phenomenon of voice. /sup>The aim is to demonstrate the enormous importance of the voice in the daily lives of all people. Voice is a ...

April 17 Events Pre-1600 *1080 – Harald III of Denmark dies and is succeeded by Canute IV, who would later be the first Dane to be canonized. * 1349 – The rule of the Bavand dynasty in Mazandaran is brought to an end by the murder of Has ...

** Blah Blah Blah Day ** Evacuation Day (Syria) ** FAO Day (Iraq) ** Flag Day (American Samoa) ** Malbec World Day ** National Cheeseball Day (United States) ** National Espresso Day (Italy) ** Women's Day (Gabon) ** World Hemophilia Day *

April 18 Events Pre-1600 * 796 – King Æthelred I of Northumbria is murdered in Corbridge by a group led by his ealdormen, Ealdred and Wada. The ''patrician'' Osbald is crowned, but abdicates within 27 days. *1428 – Peace of Ferrara bet ...

** Anniversary of the Victory over the Teutonic Knights in the Battle of the Ice, 1242 (Russia) **

Army Day (Iran) Many nations around the world observe some kind of Armed Forces Day to honor their military forces. This day is not to be confused with Veterans Day or Memorial Day. Africa Egypt In Egypt, Armed Forces Day is celebrated on 6 October, ...

** Coma Patients' Day (Poland) ** Friend's Day (Brazil) **

Independence Day (Zimbabwe) The following is a list of holidays in Zimbabwe: Public holidays are as detailed in thPublic Holidays and Prohibition of Business Act(Chapter 10:21), its various amendments and General Notices See also Public Holidays 2017Public Holidays 201 ...

International Day For Monuments and Sites The International Day for Monuments and Sites also known as World Heritage Day is an international observance held on 18 April each year around the world with different types of activities, including visits to monuments and heritage sites, con ...

** Invention Day (Japan) ** Pet Owner's Independence Day *

April 19 Events Pre-1600 * AD 65 – The freedman Milichus betrays Piso's plot to kill the Emperor Nero and all the conspirators are arrested. * 531 – Battle of Callinicum: A Byzantine army under Belisarius is defeated by the Persi ...

Army Day (Brazil) Many nations around the world observe some kind of Armed Forces Day to honor their military forces. This day is not to be confused with Veterans Day or Memorial Day. Africa Egypt In Egypt, Armed Forces Day is celebrated on 6 Octob ...

** Beginning of the Independence Movement (Venezuela) ** Bicycle Day ** Dutch-American Friendship Day (United States) **

Holocaust Remembrance Day Yom HaZikaron laShoah ve-laG'vurah ( he, יום הזיכרון לשואה ולגבורה, , lit=Holocaust and Heroism Remembrance Day), known colloquially in Israel and abroad as Yom HaShoah (יום השואה) and in English as Holocaust Reme ...

(Poland) ** Indian Day (Brazil) ** King Mswati III's birthday (Eswatini) ** Landing of the 33 Patriots Day (Uruguay) ** National Garlic Day (United States) ** National Rice Ball Day (United States) ** Primrose Day (United Kingdom) *

April 20 Events Pre-1600 * 1303 – The Sapienza University of Rome is instituted by a bull of Pope Boniface VIII. 1601–1900 *1653 – Oliver Cromwell dissolves England's Rump Parliament. *1657 – English Admiral Robert Blake destroys ...

420 (cannabis culture) 420, 4:20 or 4/20 (pronounced four-twenty) is cannabis culture slang for marijuana and hashish consumption, especially smoking around the time 4:20 pm (16:20). It also refers to cannabis-oriented celebrations that take place annually on Ap ...

(International) **

UN Chinese Language Day __NOTOC__ UN Chinese Language Day () is observed annually on April 20. The event was established by the UN Department of Public Information in 2010, seeking "to celebrate multilingualism and cultural diversity as well as to promote equal use of a ...

(

) *

April 21 Events Pre-1600 * 753 BC – Romulus founds Rome ( traditional date). * 43 BC – Battle of Mutina: Mark Antony is again defeated in battle by Aulus Hirtius, who is killed. Antony fails to capture Mutina and Decimus Brutus is murdered ...

** A&M Day (

Texas A&M University Texas A&M University (Texas A&M, A&M, or TAMU) is a public university, public, Land-grant university, land-grant, research university in College Station, Texas. It was founded in 1876 and became the flagship institution of the Texas A&M Unive ...

) ** Civil Service Day (India) ** Day of Local Self-Government (Russia) ** Grounation Day (

Rastafari movement Rastafari, sometimes called Rastafarianism, is a religion that developed in Jamaica during the 1930s. It is classified as both a new religious movement and a social movement by scholars of religion. There is no central authority in control of ...

) ** Heroic Defense of Veracruz (Mexico) ** Kang Pan-sok's Birthday (North Korea) ** Kartini Day (Indonesia) ** Local Self Government Day (Russia) ** National Tree Planting Day (Kenya) **

San Jacinto Day San Jacinto Day is the celebration of the Battle of San Jacinto on April 21, 1836. It was the final battle of the Texas Revolution where Texas won its independence from Mexico. It is an official "partial staffing holiday" in the State of Texas ...

(

) ** Queen's Official Birthday (

Falkland Islands The Falkland Islands (; es, Islas Malvinas, link=no ) is an archipelago in the South Atlantic Ocean on the Patagonian Shelf. The principal islands are about east of South America's southern Patagonian coast and about from Cape Dubouze ...

) ** Tiradentes' Day (Brazil) ** Vietnam Book Day (Vietnam) * April 22 **

Discovery Day Discovery Day is the name of several holidays commemorating the discovery of land, gold, and other significant national discoveries. The Bahamas The Bahamas Discovery Day was a public holiday on October 12, that celebrated the arrival of Christoph ...

(Brazil) **

Earth Day Earth Day is an annual event on April 22 to demonstrate support for environmental protection. First held on April 22, 1970, it now includes a wide range of events coordinated globally by EarthDay.org (formerly Earth Day Network) including 1 b ...

(

) and its related observance: ***

International Mother Earth Day International Mother Earth Day was established in 2009, by the United Nations General Assembly under Resolution A/RES/63/278. The Resolution was introduced by The Plurinational State of Bolivia and endorsed by over 50 member states. It recognize ...

(Serbia) ** National Jelly Bean Day (United States) *

April 23 Events Pre-1600 *215 BC – A temple is built on the Capitoline Hill dedicated to Venus Erycina to commemorate the Roman defeat at Lake Trasimene. * 599 – Maya king Uneh Chan of Calakmul attacks rival city-state Palenque in sout ...

Castile and León Day Castile and León Day ( es, Día de Castilla y León) is a holiday celebrated on April 23 in the autonomous community of Castile and León, a subdivision of Spain. The date is the anniversary of the Battle of Villalar, in which Castilian rebels ...

(

Castile and León Castile and León ( es, Castilla y León ; ast-leo, Castiella y Llión ; gl, Castela e León ) is an autonomous community in northwestern Spain. It was created in 1983, eight years after the end of the Francoist regime, by the merging of th ...

, Spain) ** German Beer Day (Germany) **

Independence Day An independence day is an annual event commemorating the anniversary of a nation's independence or statehood, usually after ceasing to be a group or part of another nation or state, or more rarely after the end of a military occupation. Many ...

( Conch Republic,

Key West, Florida Key West ( es, Cayo Hueso) is an island in the Straits of Florida, within the U.S. state of Florida. Together with all or parts of the separate islands of Sigsbee Park, Dredgers Key, Fleming Key, Sunset Key, and the northern part of Stock Isla ...

) ** International Pixel-Stained Technopeasant Day ** Khongjom Day (

Manipur Manipur () ( mni, Kangleipak) is a state in Northeast India, with the city of Imphal as its capital. It is bounded by the Indian states of Nagaland to the north, Mizoram to the south and Assam to the west. It also borders two regions of ...

, India) ** National Sovereignty and Children's Day (Turkey and Northern Cyprus) ** Navy Day (China) ** St George's Day (England) and its related observances: ***

Canada Book Day Canada Book Day is a yearly event celebrated in Canada on April 23 to promote reading and books during Canada Book Week. Canada Book Week takes place on the week of April 23. Canada Book Day is celebrated on the same day as World Book and Copyrigh ...

(Canada) *** La Diada de Sant Jordi (

Catalonia Catalonia (; ca, Catalunya ; Aranese Occitan: ''Catalonha'' ; es, Cataluña ) is an autonomous community of Spain, designated as a '' nationality'' by its Statute of Autonomy. Most of the territory (except the Val d'Aran) lies on the no ...

, Spain) *** World Book Day ** UN English Language Day (

) *

April 24 Events Pre-1600 * 1479 BC – Thutmose III ascends to the throne of Egypt, although power effectively shifts to Hatshepsut (according to the Low Chronology of the 18th dynasty). *1183 BC – Traditional reckoning of the Fall of Troy ...

Armenian Genocide Remembrance Day Armenian Genocide Remembrance Day ( hy, Մեծ Եղեռնի զոհերի հիշատակի օր ''Mets Yegherrni zoheri hishataki or'') or Armenian Genocide Memorial Day is a public holiday in Armenia and the Republic of Artsakh and is observed ...

(Armenia) ** Concord Day (Niger) ** Children's Day (Zambia) **

Democracy Day (Nepal) The 2006 Democracy Movement ( ne, text=लोकतन्त्र आन्दोलन, translit=Loktantra Āndolan) is a name given to the political agitations against the direct and undemocratic rule of King Gyanendra of Nepal. The movement ...

** Fashion Revolution Day ** Flag Day (Ireland) ** International Sculpture Day ** Kapyong Day (Australia) ** Labour Safety Day (Bangladesh) ** National Panchayati Raj Day (India) ** National Pigs in a Blanket Day (United States) ** Republic Day (The Gambia) ** St Mark's Eve (

Western Christianity Western Christianity is one of two sub-divisions of Christianity ( Eastern Christianity being the other). Western Christianity is composed of the Latin Church and Western Protestantism, together with their offshoots such as the Old Catholi ...

) ** World Day for Laboratory Animals * April 25 ** Anniversary of the First Cabinet of Kurdish Government (

) **

Anzac Day , image = Dawn service gnangarra 03.jpg , caption = Anzac Day Dawn Service at Kings Park, Western Australia, 25 April 2009, 94th anniversary. , observedby = Australia Christmas Island Cocos (Keeling) Islands Cook Islands Ne ...

(Australia, New Zealand) ** Arbor Day (Germany) ** DNA Day **

Feast of Saint Mark Saint Mark's Day, or the Feast of Saint Mark, commemorates Mark the Evangelist and takes place on April 25. Local observances and customs Italy The 25th of April is a national holiday throughout Italy, though not as Saint Mark's Day, but as anniv ...

(

) ** Flag Day (Faroe Islands) ** Flag Day (Eswatini) **

Freedom Day (Portugal) The Carnation Revolution ( pt, Revolução dos Cravos), also known as the 25 April ( pt, 25 de Abril, links=no), was a military coup by left-leaning military officers that overthrew the authoritarian Estado Novo regime on 25 April 1974 in Lisbo ...

** Liberation Day (Italy) ** Major Rogation (

) ** Military Foundation Day (North Korea) ** National Zucchini Bread Day (United States) **

Parental Alienation Awareness Day Parental alienation is a theorized process through which a child becomes estranged from one parent as the result of the psychological manipulation of another parent. The child's estrangement may manifest itself as fear, disrespect or hostility tow ...

** Red Hat Society Day ** Sinai Liberation Day (Egypt) ** World Malaria Day * April 26 **

Chernobyl disaster The Chernobyl disaster was a nuclear accident that occurred on 26 April 1986 at the No. 4 reactor in the Chernobyl Nuclear Power Plant, near the city of Pripyat in the north of the Ukrainian SSR in the Soviet Union. It is one of only two n ...

related observances: *** Memorial Day of Radiation Accidents and Catastrophes (Russia) *** Day of Remembrance of the Chernobyl tragedy (Belarus) ** Confederate Memorial Day (

, United States) ** Hug A Friend Day ** Hug an Australian Day **

Lesbian Visibility Day Lesbian Visibility Week (related to Lesbian Visibility Day) is an annual observance in the United States, the United Kingdom and other countries dedicated to increasing the awareness of lesbian women and their issues. It was originally celebrate ...

** National Pretzel Day (United States) ** Old Permic Alphabet Day **

Union Day (Tanzania) Public holidays in Tanzania are in accordance with the Public Holidays Ordinance (Amended) Act, 1966 and are observed throughout the nation. Background The Public Holidays Ordinance (Amended) Act, 1966 lists twelve public holidays in its schedule ...

** World Intellectual Property Day *

April 27 Events Pre-1600 * 247 – Philip the Arab marks the millennium of Rome with a celebration of the ''ludi saeculares''. * 395 – Emperor Arcadius marries Aelia Eudoxia, daughter of the Frankish general Flavius Bauto. She becomes one of ...

** Day of Russian Parliamentarism (Russia) ** Day of the Uprising Against the Occupying Forces (Slovenia) ** Flag Day (Moldova) ** Freedom Day (South Africa) ***

UnFreedom Day UnFreedom Day is an unofficial annual event that is marked every year on or around 27 April. UnFreedom Day is organised to counter the official South African holiday called Freedom Day, an annual celebration of South Africa's first democratic el ...

Independence Day (Sierra Leone) :This is a list of holidays in Sierra Leone. National holidays are non-working days only, and employers have to give workers the day off but they do not have to pay them. Businesses are not required to close. Public holidays References S ...

** Independence Day (Togo) ** National Day (

Mayotte Mayotte (; french: Mayotte, ; Shimaore: ''Maore'', ; Kibushi: ''Maori'', ), officially the Department of Mayotte (french: Département de Mayotte), is an overseas department and region and single territorial collectivity of France. It is loca ...

) ** National Day (Sierra Leone) ** National Prime Rib Day (United States) ** National Veterans' Day (Finland) * April 28 ** Lawyers' Day (

Orissa, India Odisha (English: , ), formerly Orissa ( the official name until 2011), is an Indian state located in Eastern India. It is the 8th largest state by area, and the 11th largest by population. The state has the third largest population of ...

) **

Mujahideen Victory Day Mujahideen Victory Day is a political holiday observed in all parts of Afghanistan, falling on the 28 April each year. It commemorates the day when Mujahideen rebel forces overthrew the Communist regime in 1992. It is celebrated mostly by former ...

(Afghanistan) ** National Day (

Sardinia Sardinia ( ; it, Sardegna, label=Italian, Corsican and Tabarchino ; sc, Sardigna , sdc, Sardhigna; french: Sardaigne; sdn, Saldigna; ca, Sardenya, label= Algherese and Catalan) is the second-largest island in the Mediterranean Sea, aft ...

, Italy) **

National Heroes Day Heroes' Day or National Heroes' Day may refer to a number of commemorations of national heroes in different countries and territories. It is often held on the birthday of a national hero or heroine, or the anniversary of their great deeds that ...

(Barbados) **

Restoration of Sovereignty Day The is a new public commemorative event on 28 April, proposed by Japanese Prime Minister Shinzō Abe in 2012 and first formally celebrated in 2013. It marks the end of the American occupation of Japan on 28 April 1952. It has been described as "pa ...

(Japan) ** Workers' Memorial Day and World Day for Safety and Health at Work ( international) ***

National Day of Mourning A national day of mourning is a day or days marked by mourning and memorial activities observed among the majority of a country's populace. They are designated by the national government. Such days include those marking the death or funeral of ...

(Canada) * April 29 **

Day of Remembrance for all Victims of Chemical Warfare The Day of Remembrance for All Victims of Chemical Warfare is an annual event held November 30 as a "tribute to the victims of chemical warfare, as well as to reaffirm the commitment of the Organisation for the Prohibition of Chemical Weapons (OP ...

(

) **

International Dance Day the performing arts of UNESCO. The event takes place every year on 29 April, which is the anniversary of the birth of Jean-Georges Noverre (1727–1810), who is considered to be the "father" or creator of modern ballet (ie. classical or romant ...

(

UNESCO The United Nations Educational, Scientific and Cultural Organization is a List of specialized agencies of the United Nations, specialized agency of the United Nations (UN) aimed at promoting world peace and security through international coope ...

) ** Princess Bedike's Birthday (Denmark) **

National Shrimp Scampi Day National may refer to: Common uses * Nation or country ** Nationality – a ''national'' is a person who is subject to a nation, regardless of whether the person has full rights as a citizen Places in the United States * National, Maryland, c ...

(United States) ** Shōwa Day, traditionally the start of the Golden Week holiday period, which is April 29 and May 3–5. (Japan) *

April 30 Events Pre-1600 *311 – The Diocletianic Persecution of Christians in the Roman Empire ends. *1315 – Enguerrand de Marigny is hanged at the instigation of Charles, Count of Valois. *1492 – Spain gives Christopher Columbus hi ...

** Armed Forces Day (

) ** Birthday of the King (Sweden) ** Camarón Day (

French Foreign Legion The French Foreign Legion (french: Légion étrangère) is a corps of the French Army which comprises several specialties: infantry, cavalry, engineers, airborne troops. It was created in 1831 to allow foreign nationals into the French Army ...

) **

(Mexico) ** Consumer Protection Day (Thailand) ** Honesty Day (United States) **

International Jazz Day International Jazz Day is an International Day declared by the United Nations Educational, Scientific and Cultural Organization in 2011 "to highlight jazz and its diplomatic role of uniting people in all corners of the globe." It is celebrated ...

(

) **

Martyr's Day Martyrs' Day is an annual day observed by nations to salute the martyrdom of soldiers who lost their lives defending the sovereignty of the nation. The actual date may vary from one country to another. Here is a list of countries and Martyrs' Days. ...

(Pakistan) ** May Eve, the eve of the first day of summer in the Northern hemisphere ''(see May 1)'': ***

Beltane Beltane () is the Gaelic May Day festival. Commonly observed on the first of May, the festival falls midway between the spring equinox and summer solstice in the northern hemisphere. The festival name is synonymous with the month marking the ...

begins at sunset in the Northern hemisphere,

Samhain Samhain ( , , , ; gv, Sauin ) is a Gaelic festival on 1 NovemberÓ hÓgáin, Dáithí. ''Myth Legend and Romance: An Encyclopaedia of the Irish Folk Tradition''. Prentice Hall Press, 1991. p. 402. Quote: "The basic Irish division of the year ...

begins at sunset in the Southern hemisphere. ( Neo-Druidic

Wheel of the Year The Wheel of the Year is an annual cycle of seasonal festivals, observed by many modern pagans, consisting of the year's chief solar events (solstices and equinoxes) and the midpoints between them. While names for each festival vary among di ...

) *** Carodejnice (Czech Republic and Slovakia) ***

Walpurgis Night Walpurgis Night (), an abbreviation of Saint Walpurgis Night (from the German ), also known as Saint Walpurga's Eve (alternatively spelled Saint Walburga's Eve), is the eve of the Christian feast day of Saint Walpurga, an 8th-century abbess ...

(Central and Northern Europe) **

National Persian Gulf Day Persian Gulf National Day ( fa, روز ملی خلیج فارس) is an official holiday in Iran observed on the 10th day of Ordibehesht, the second month in the Iranian calendar. This usually coincides with 29 or 30 April of the Gregorian calend ...

(Iran) ** Reunification Day (Vietnam) ** Russian State Fire Service Day (Russia) ** Tax Day (Canada) **

Teachers' Day Teachers' Day is a special day for the appreciation of teachers, and may include celebrations to honor them for their special contributions in a particular field area, or the community tone in education. This is the primary reason why countries ce ...

(Paraguay)

References

External links

National Arbor Day Foundation
{{Authority control *04

History

April symbols

April observances

Month-long observances

United States

United States Food months

Non-Gregorian observances: 2021

Movable observances, 2021 dates

First Wednesday: April 1

First Saturday: April 4

First Sunday: April 5

First full week: April 5–11

= Second Wednesday: April 8

= Second Thursday: April 9

= Second Friday of April: April 10

Second Sunday: April 12

Week of April 14: April 12–18

Third Wednesday: April 15

Third Thursday: April 16

Third Saturday: April 18

Last full week of April: April 19–25

Week of April 23: April 19–25

Week of the New Moon In astronomy, the new moon is the first lunar phase, when the Moon and Sun have the same ecliptic longitude. At this phase, the lunar disk is not visible to the naked eye, except when it is silhouetted against the Sun during a solar ecl ...: April 19–25

Third Monday: April 20

= Wednesday of last full week of April: April 22

First Thursday after April 18: April 23

= Fourth Thursday: April 23

= Last Friday: April 24

Last Friday in April to first Sunday in May: April 24-May 3

= Last Saturday: April 25

= Last Sunday: April 26

= April 27 (moves to April 26 if April 27 is on a Sunday): April 27

= Last Monday: April 27

= Last Wednesday: April 29

Fixed observances

See also

References

External links

Week of the
New Moon In astronomy, the new moon is the first lunar phase, when the Moon and Sun have the same ecliptic longitude. At this phase, the lunar disk is not visible to the naked eye, except when it is silhouetted against the Sun during a solar ecl ...
: April 19–25