250px, SST is UTC-11:00
The Samoa Time Zone or Samoa Standard Time (SST) observes
standard time
Standard time is the synchronisation 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 ...
by subtracting eleven hours from
Coordinated Universal Time
Coordinated Universal Time or UTC is the primary time standard by which the world regulates clocks and time. It is within about one second of mean solar time (such as UT1) at 0° longitude (at the IERS Reference Meridian as the currently ...
(
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. Two types of solar time are apparent solar time (sundial t ...
of the
165th meridian west of the
Greenwich Observatory.
The zone includes the
U.S. territory of
American Samoa
American Samoa ( sm, Amerika Sāmoa, ; also ' or ') is an unincorporated territory of the United States located in the South Pacific Ocean, southeast of the island country of Samoa. Its location is centered on . It is east of the Internation ...
, as well as the
Midway Islands and the uninhabited islands of
Jarvis,
Palmyra
Palmyra (; Palmyrene: () ''Tadmor''; ar, تَدْمُر ''Tadmur'') is an ancient city in present-day Homs Governorate, Syria. Archaeological finds date back to the Neolithic period, and documents first mention the city in the early seco ...
, and
Kingman Reef
Kingman Reef is a largely submerged, uninhabited, triangle-shaped reef, geologically an atoll, east-west and north-south, in the North Pacific Ocean, roughly halfway between the Hawaiian Islands and American Samoa. It has an area of 3 he ...
. It also includes the country of
Niue
Niue (, ; niu, Niuē) is an island country in the South Pacific Ocean, northeast of New Zealand. Niue's land area is about and its population, predominantly Polynesian, was about 1,600 in 2016. Niue is located in a triangle between Tong ...
.
The zone is one hour behind
Hawaii-Aleutian Time Zone 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; sm, Sāmoa, and until 1997 known as Western Samoa, is a Polynesian island country consisting of two main islands (Savai'i and Upolu); two smaller, inhabited islands (Manono Island, Manono an ...
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; it is now 24 hours (25 hours in southern hemisphere summer) ahead of American Samoa.
[{{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
See also
*
Time zone
A time zone is an area which observes a uniform standard time for legal, commercial and social purposes. Time zones tend to follow the boundaries between countries and their subdivisions instead of strictly following longitude, because i ...
*
Time offset
*
Chamorro Time Zone
*
Wake Island Time Zone
*
Hawaii-Aleutian Time Zone
*
Central Time Zone
The North American Central Time Zone (CT) is a time zone in parts of Canada, the United States, Mexico, Central America, some Caribbean Islands, and part of the Eastern Pacific Ocean.
Central Standard Time (CST) is six hours behind Coordina ...
*
Eastern Time Zone
The Eastern Time Zone (ET) is a time zone encompassing part or all of 23 states in the eastern part of the United States, parts of eastern Canada, the state of Quintana Roo in Mexico, Panama, Colombia, mainland Ecuador, Peru, and a sma ...
*
Atlantic Time Zone
*
Newfoundland Time Zone
The Newfoundland Time Zone (NT) is a geographic region that keeps time by subtracting 3.5 hours from Coordinated Universal Time ( UTC) during standard time, resulting in UTC−03:30; or subtracting 2.5 hours during daylight saving time. The clock ...
Sources
Current time around the world
Time zones
Time zones in the United States
