December is the twelfth and final month of the year in the Julian and Gregorian calendars and is also the last of seven months to have a length of 31 days. Les Très Riches Heures du duc de Berry décembre

Les Très Riches Heures du duc de Berry décembre

December got its name from the Latin word ''decem'' (meaning

ten Ten, TEN or 10 may refer to: * 10, an even natural number following 9 and preceding 11 * one of the years 10 BC, AD 10, 1910 and 2010 * October, the tenth month of the year Places * Mount Ten, in Vietnam * Tongren Fenghuang Airport (IATA cod ...

) because it was originally the tenth month of the year in the calendar of Romulus which began in March. The winter days following December were not included as part of any month. Later, the months of January and February were created out of the monthless period and added to the beginning of the calendar, but December retained its name. Macrobius, '' Saturnalia'', tr. Percival Vaughan Davies (New York: Columbia University Press, 1969), book I, chapters 12–13, pp. 89–95. In Ancient Rome, as one of the four

Agonalia An Agonalia or Agonia was an obscure archaic religious observance celebrated in ancient Rome several times a year, in honor of various divinities. Its institution, like that of other religious rites and ceremonies, was attributed to Numa Pompi ...

, this day in honour of

Sol Indiges Sol is the personification of the Sun and a god in ancient Roman religion. It was long thought that Rome actually had two different, consecutive sun gods: The first, Sol Indiges ( la, the deified sun), was thought to have been unimportant, disa ...

was held on December 11, as was

Septimontium The Septimontium was a proto-urban festival celebrated in ancient Rome by ''montani'', residents of the seven ''(sept-)'' communities associated with the hills or peaks of Rome ''(montes)'': Oppius, Palatium, Velia, Fagutal, Cermalus, Caelius, ...

. Dies natalis (birthday) was held at the temple of Tellus on December 13,

Consualia The Consualia or ''Consuales Ludi'' was the name of two ancient Roman festivals in honor of Consus, a tutelary deity of the harvest and stored grain. ''Consuales Ludi'' harvest festivals were held on August 21,Plutarch. "Life if Romulus", in ''P ...

was held on December 15, Saturnalia was held December 17–23, Opiconsivia was held on December 19,

Divalia The Divalia was a Roman festival held on December 21, in honour of the goddess Angerona In Roman religion, Angerona or Angeronia was an old Roman goddess, whose name and functions are variously explained. She is sometimes identified with the go ...

was held on December 21, Larentalia was held on December 23, and the dies natalis of Sol Invictus was held on December 25. These dates do not correspond to the modern Gregorian 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 wit ...

referred to December–January as

Ġēolamonaþ Ġēolamōnaþ or Ȝēolamōnaþ (modern English: ''Yule month'') was the Anglo-Saxon name for the month of both December and January. The Anglo-Saxon scholar Bede explains in his treatise '' De temporum ratione'' (The Reckoning of Time) that the ...

(modern English: " Yule month"). The French Republican Calendar contained December within the months of Frimaire and Nivôse.

Astronomy

Hans Bol - Adriaen Collaert - Emblemata evangelica - Erfgoedfonds Koning Boudewijnstichting - Fonds du Patrimoine Fondation Roi Baudouin - 12

December contains the winter solstice in the Northern Hemisphere, the day with the fewest daylight hours, and the

summer solstice The summer solstice, also called the estival solstice or midsummer, occurs when one of Earth's poles has its maximum tilt toward the Sun. It happens twice yearly, once in each hemisphere ( Northern and Southern). For that hemisphere, the summer s ...

in the Southern Hemisphere, the day with the most daylight hours (excluding polar regions in both cases). December in the Northern Hemisphere is the seasonal equivalent to

June June is the sixth month of the year in the Julian and Gregorian calendars and is the second of four months to have a length of 30 days, and the third of five months to have a length of less than 31 days. June contains the summer solstice in ...

in the Southern Hemisphere and vice versa. In the Northern hemisphere, the beginning of the astronomical

winter Winter is the coldest season of the year in polar and temperate climates. It occurs after autumn and before spring. The tilt of Earth's axis causes seasons; winter occurs when a hemisphere is oriented away from the Sun. Different cultures ...

is traditionally 21 December or the date of the solstice. Meteor showers occurring in December are the

Andromedids The Andromedids meteor shower is associated with Biela's Comet, the showers occurring as Earth passes through old streams left by the comet's tail. The comet was observed to have broken up by 1846; further drift of the pieces by 1852 suggested th ...

(September 25 – December 6, peaking around November 9), the Canis-Minorids (December 4 – December 15, peaking around December 10–11), the Coma Berenicids (December 12 to December 23, peaking around December 16), the Delta Cancrids (December 14 to February 14, the main shower from January 1 to January 24, peaking on January 17), the Geminids (December 13–14), the Monocerotids (December 7 to December 20, peaking on December 9. This shower can also start in November), the

Phoenicids The Phoenicids are a minor meteor shower, first noticed by observers in New Zealand, Australia, the Indian Ocean, and South Africa during an outburst of approximately 100 meteors an hour that occurred during December 1956. Like other meteor shower ...

(November 29 to December 9, with a peak occurring around 5/6 December), the

Quadrantids The Quadrantids (QUA) are a meteor shower that peaks in early January and whose radiant lies in the constellation Boötes. The zenithal hourly rate (ZHR) of this shower can be as high as that of two other reliably rich meteor showers, the Persei ...

(typically a January shower but can also start in December), the Sigma Hydrids (December 4–15), and the Ursids (December 17-to December 25/26, peaking around December 22).

Astrology

*The zodiac signs for the month of December are Sagittarius (until December 21) and Capricorn (December 22 onwards).The Earth passes the junction of the signs at 10:02 UT/GMT December 21, 2020, and will pass it again at 15:59 UT/GMT December 21, 2021.. Signs in UT/GMT for 1950–2030.

December symbols

December's birth flower is the

narcissus Narcissus may refer to: Biology * ''Narcissus'' (plant), a genus containing daffodils and others People * Narcissus (mythology), Greek mythological character * Narcissus (wrestler) (2nd century), assassin of the Roman emperor Commodus * Tiberiu ...

December's birthstones are the

turquoise Turquoise is an opaque, blue-to-green mineral that is a hydrated phosphate of copper and aluminium, with the chemical formula . It is rare and valuable in finer grades and has been prized as a gemstone and ornamental stone for thousands of yea ...

zircon Zircon () is a mineral belonging to the group of nesosilicates and is a source of the metal zirconium. Its chemical name is zirconium(IV) silicate, and its corresponding chemical formula is Zr SiO4. An empirical formula showing some of the ...

, and

tanzanite Tanzanite is the blue and violet variety of the mineral zoisite (a calcium aluminium hydroxyl sorosilicate), caused by small amounts of vanadium. Tanzanite belongs to the epidote mineral group. Tanzanite is only found in Simanjiro District o ...

Observances

''This list does not necessarily imply either official status or general observance.''

Non-Gregorian observances: 2021 dates

(All Baháʼí, 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 Baháʼí calendar * List of observances set by the Chinese calendar *

List of observances set by the Hebrew calendar All observances begin at sunset the day prior to the Gregorian date listed unless otherwise noted, and end on nightfall of the date in question, which is defined as the appearance of three stars in the sky. On leap years (which occur every 2– ...

List of observances set by the Islamic calendar All Islamic observances begin at the sundown prior to the date listed, and end at sundown of the date in question unless otherwise noted. Holidays for 1441 (2019-2020) {, class="wikitable" !width=20%, Date on Islamic Calendar !width=20%, Gre ...

List of observances set by the Solar Hijri calendar Dates in this table are determined by when the March Equinox falls. It will fall on March 20 from 2018-2023. {, class="wikitable" , - style="background:#efefef;" ! Holiday date !!Holiday name !! Description !!March equinox on March 19 !!March Eq ...

Month-long observances

*In Catholic tradition, December is the Month of the Advent of Christ. *National Egg Nog Month (United States) * National Impaired Driving Prevention Month (United States) *National Fruit Cake Month (United States) *National Pear Month (United States) * No Gender December (

International International is an adjective (also used as a noun) meaning "between nations". International may also refer to: Music Albums * ''International'' (Kevin Michael album), 2011 * ''International'' (New Order album), 2002 * ''International'' (The T ...

)

Movable observances: 2021 dates

*See also

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 also Movable Eastern Christian observances Tuesday immediately following fourth Thursday of November: November 30 *

Giving Tuesday GivingTuesday, often stylized as #GivingTuesday for the purposes of hashtag activism, is the Tuesday after Thanksgiving in the United States. It is touted as a "global generosity movement unleashing the power of people and organizations to transfo ...

( United States) (can sometimes fall in December) First Friday: December 3 * Farmer's Day ( Ghana) * Gospel Day ( Marshall Islands) First Sunday: December 5 * Good Neighborliness Day ( Turkmenistan) *

Sindhi Cultural Day Sindhi Cultural Day ( sd, سنڌي ثقافتي ڏھاڙو) is a popular Sindhi cultural festival. It is celebrated with traditional enthusiasm to highlight the centuries-old rich culture of Sindh. The day is celebrated each year in the firs ...

(

Sindhi diaspora The Sindhi diaspora mainly refers to the descendants of ethnic Sindhi people who emigrated from the historical Sind province of British India before the Independence of Pakistan, these people are not a part of Pakistani diaspora as they emigrat ...

) Second Monday: December 13 * Green Monday *

National Tree Planting Day (Malawi) 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 ...

December 15, unless the date falls on a Sunday, then December 16: December 15 *

Koninkrijksdag ''Koninkrijksdag'' ( pap, Dia di Reino, en, Kingdom Day, West Frisian: ''Keninkryksdei'') is the commemoration of the signing of the Charter for the Kingdom of the Netherlands on 15 December 1954 in Aruba, Curaçao, the Netherlands, and Sin ...

( Kingdom of the Netherlands) Winter Solstice: December 21 *

Blue Christmas (holiday) Blue Christmas (also called the Longest Night) in the Western Christian tradition, is a day in the Advent season marking the longest night of the year. On this day, some churches in Western Christian denominations hold a church service that honou ...

Brumalia The Brumalia ( la, Brumalia ) were a winter solstice festival celebrated in the eastern part of the Roman Empire. In Rome there had been the minor holiday of Bruma on November 24, which turned into large scale end of the year festivities in Const ...

( Ancient Rome) *

Dongzhi Festival The Dongzhi Festival or Winter Solstice Festival () is one of the most important Chinese festivals celebrated by the Mainland Chinese, Hong Kong Chinese, Taiwan, Japanese, Vietnamese, Koreans and other East Asian-related people during the Don ...

(

Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an area ...

) *

Global Orgasm Global Orgasm was an action originally scheduled for 22 December 2006 by the author and activist couple of Donna Sheehan and Paul Reffell to coincide with the end of winter solstice. The idea was for participants throughout the world to have an or ...

Korochun ''Koročun'' or ''Kračun'' (see other variants below) is one of the names of Slavic pagan holiday Koliada. In modern usage, it may refer to the winter solstice in certain Eastern European languages, and also to the holiday of Christmas. Names ...

( Slavic) * Midsummer in the Southern Hemisphere. (

Contemporary Paganism Modern paganism, also known as contemporary paganism and neopaganism, is a term for a religion or family of religions influenced by the various historical pre-Christian beliefs of pre-modern peoples in Europe and adjacent areas of North Afric ...

) * Sanghamitta Day ( Theravada Buddhism) *

Shalako Shalako is a series of dances and ceremonies conducted by the Native American Zuni people for the Zuni people at the winter solstice, typically following the harvest. The Shalako ceremony and feast has been closed to non-native peoples since 1990 ...

( Zuni) * Yaldā ( Iran) * Yule in the Northern Hemisphere (

) *

Ziemassvētki Ziemassvētki (), also Ziemsvētki is an annual festival in Latvia which observes the winter solstice and birth of Jesus Christ. Latvians around the world celebrate it from 24 to 25 December. 24 December is Ziemassvētku vakars (Christmas Eve, lit ...

( Latvia) December 22, unless that date is a Sunday, in which case it's moved to the 23rd: December 22 * Forefathers' Day ( Plymouth, Massachusetts) December 26, unless that day is a Sunday, in which case the 27th: December 27 * Boxing Day ( Commonwealth of Nations) ** Day of Good Will ( South Africa and Namibia) ** Family Day ( Vanuatu) **

Thanksgiving (Solomon Islands) The people of the Solomon Islands observe these holidays nationally. Public holidays * 1 January: New Year's Day * Variable Friday: Good Friday * Variable Saturday: Holy Saturday * Variable Monday: Easter Monday * Variable Monday: Whit Mon ...

**Start of Boxing Week

Fixed observances

*November 25 – December 10: 16 Days of Activism against Gender-based Violence *

December 1 Events Pre-1600 * 800 – A council is convened in the Vatican, at which Charlemagne is to judge the accusations against Pope Leo III. *1420 – Henry V of England enters Paris alongside his father-in-law King Charles VI of France. *15 ...

** Battle of the Sinop 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-eight ...

) ** Bifocals at the Monitor Day (

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