
The Samoa Time Zone or Samoa Standard Time (SST) observes
standard time
Standard time is the synchronization of clocks within a geographical region to a single time standard, rather than a local mean time standard. Generally, standard time agrees with the local mean time at some meridian that passes through the r ...
by subtracting eleven hours from
Coordinated Universal Time
Coordinated Universal Time (UTC) is the primary time standard globally used to regulate clocks and time. It establishes a reference for the current time, forming the basis for civil time and time zones. UTC facilitates international communicat ...
(
UTC−11:00). The clock time in this zone is based on the
mean solar time
Solar time is a calculation of the passage of time based on the position of the Sun in the sky. The fundamental unit of solar time is the day, based on the synodic rotation period. Traditionally, there are three types of time reckoning based ...
of the
165th meridian west of the
Greenwich Observatory.
The zone includes the
U.S. territory of
American Samoa
American Samoa is an Territories of the United States, unincorporated and unorganized territory of the United States located in the Polynesia region of the Pacific Ocean, South Pacific Ocean. Centered on , it is southeast of the island count ...
, as well as the
Midway Islands and the uninhabited islands of
Jarvis,
Palmyra
Palmyra ( ; Palmyrene dialect, Palmyrene: (), romanized: ''Tadmor''; ) is an ancient city in central Syria. It is located in the eastern part of the Levant, and archaeological finds date back to the Neolithic period, and documents first menti ...
, and
Kingman Reef. It also includes the country of
Niue.
The zone is one hour behind
Hawaii–Aleutian Time Zone
The Hawaii–Aleutian Time Zone observes Hawaii–Aleutian Standard Time (HST) by subtracting ten hours from Coordinated Universal Time ( UTC−10:00). The clock time in this zone is based on the mean solar time of the 150th meridian west of th ...
and one hour ahead of the
Howland and Baker islands, and 23 hours behind
Wake Island Time Zone.
The nation of
Samoa
Samoa, officially the Independent State of Samoa and known until 1997 as Western Samoa, is an island country in Polynesia, part of Oceania, in the South Pacific Ocean. It consists of two main islands (Savai'i and Upolu), two smaller, inhabited ...
also observed the same time as the Samoa Time Zone until it moved across the International Date Line at the end of 29 December 2011; Samoa was then 24 hours ahead of American Samoa, although the time difference varied seasonally until 2021 when Samoa discontinued
daylight saving time
Daylight saving time (DST), also referred to as daylight savings time, daylight time (Daylight saving time in the United States, United States and Daylight saving time in Canada, Canada), or summer time (British Summer Time, United Kingdom, ...
.
[{{cite web, url=http://www.heraldsun.com.au/news/breaking-news/samoa-to-move-the-international-dateline/story-e6frf7jx-1226051660380, title=Samoa to move the International Dateline, publisher=Herald Sun]
Populated areas
*
Pago Pago, American Samoa
Pago Pago ( or ; Samoan: )Harris, Ann G. and Esther Tuttle (2004). ''Geology of National Parks''. Kendall Hunt. Page 604. . is the capital of American Samoa. It is in Maoputasi County on Tutuila, the main island of American Samoa.
Pago Pago ...
See also
*
Time zone
A time zone is an area which observes a uniform standard time for legal, Commerce, commercial and social purposes. Time zones tend to follow the boundaries between Country, countries and their Administrative division, subdivisions instead of ...
*
Time offset
*
Chamorro Time Zone
*
Wake Island Time Zone
*
Hawaii–Aleutian Time Zone
The Hawaii–Aleutian Time Zone observes Hawaii–Aleutian Standard Time (HST) by subtracting ten hours from Coordinated Universal Time ( UTC−10:00). The clock time in this zone is based on the mean solar time of the 150th meridian west of th ...
*
Central Time Zone
The North American Central Time Zone (CT) is a time zone in parts of Canada, the United States
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It ...
*
Eastern Time Zone
The Eastern Time Zone (ET) is a time zone encompassing part or all of 23 U.S. states, states in the eastern part of the United States, parts of eastern Canada, and the state of Quintana Roo in Mexico.
* Eastern Standard Time (EST) is five ...
*
Atlantic Time Zone
The Atlantic Time Zone is a geographical region that keeps standard time—called Atlantic Standard Time (AST)—by subtracting four hours from Coordinated Universal Time ( UTC), resulting in UTC−04:00. AST is observed in parts of North America ...
*
Newfoundland Time Zone
Sources
Current time around the world
Time zones
Time zones in the United States