Samoa Time Zone
Encyclopedia
Standard time
Standard time is the result of synchronizing clocks in different geographical locations within a time zone to the same time rather than using the local meridian as in local mean time or solar time. Historically, this helped in the process of weather forecasting and train travel. The concept...
by subtracting eleven hours from Coordinated Universal Time
Coordinated Universal Time
Coordinated Universal Time is the primary time standard by which the world regulates clocks and time. It is one of several closely related successors to Greenwich Mean Time. Computer servers, online services and other entities that rely on having a universally accepted time use UTC for that purpose...
(UTC-11
UTC-11
UTC−11 is an identifier for a time offset from UTC of −11. This time is used in:-As standard time :*American Samoa - Samoa Time Zone...
). The clock time in this zone is based on the mean solar time of the 165th meridian west
165th meridian west
The meridian 165° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole....
west of the Greenwich Observatory.
The zone includes the U.S. territory
Unorganized territory
An unorganized territory is a region of land without a "normally" constituted system of government. This does not mean that the territory has no government at all or that it is unclaimed territory...
of American Samoa
American Samoa
American Samoa is an unincorporated territory of the United States located in the South Pacific Ocean, southeast of the sovereign state of Samoa...
, as well as the Midway Islands and the uninhabited islands of Jarvis
Jarvis Island
Jarvis Island is an uninhabited 4.5 square kilometer coral island located in the South Pacific Ocean at , about halfway between Hawaii and the Cook Islands...
, Palmyra
Palmyra Atoll
Palmyra Atoll is an essentially unoccupied equatorial Northern Pacific atoll administered as an unorganized incorporated territory by the United States federal government...
, and Kingman Reef
Kingman Reef
Kingman Reef is a largely submerged, uninhabited triangular shaped reef, east-west and north-south, located in the North Pacific Ocean, roughly half way between the Hawaiian Islands and American Samoa at...
.
The zone is one hour behind Hawaii-Aleutian Time Zone
Hawaii-Aleutian time zone
The Hawaii-Aleutian Time Zone observes Hawaii-Aleutian Standard Time , by subtracting ten hours from Coordinated Universal Time . The clock time in this zone is based on the mean solar time of the 150th meridian west of the Greenwich Observatory....
, one hour ahead of Howland and Baker Islands
UTC-12
UTC−12:00 is an identifier for a time offset from UTC of −12 hours.-As standard time :* Baker Island and Howland Island are assigned to this time zone....
, and 23 hours behind Wake Island Time Zone
Wake Island Time Zone
The Wake Island Time Zone observes standard time by adding twelve hours to Coordinated Universal Time . The clock time in this zone is based on the mean solar time of the 180th degree meridian east of the Greenwich Observatory....
.
Samoa
Samoa
Samoa , officially the Independent State of Samoa, formerly known as Western Samoa is a country encompassing the western part of the Samoan Islands in the South Pacific Ocean. It became independent from New Zealand in 1962. The two main islands of Samoa are Upolu and one of the biggest islands in...
uses Daylight Saving Time
Daylight saving time
Daylight saving time —also summer time in several countries including in British English and European official terminology —is the practice of temporarily advancing clocks during the summertime so that afternoons have more daylight and mornings have less...
from the last Sunday in September until the first Sunday in April. During this period, Samoa
Samoa
Samoa , officially the Independent State of Samoa, formerly known as Western Samoa is a country encompassing the western part of the Samoan Islands in the South Pacific Ocean. It became independent from New Zealand in 1962. The two main islands of Samoa are Upolu and one of the biggest islands in...
is on UTC-10
UTC-10
UTC−10 is an identifier for a time offset from UTC of −10. This time is used in:-As standard time :*Cook Islands *Tokelau *French Polynesia...
.
From 29 December 2011, Samoa will advance from UTC-11 to UTC+13
UTC+13
UTC+13 is an identifier for a +13 hour time offset from UTC.This time is used as standard time in:*Kiribati**Phoenix Islands *Tonga-Samoa and Tokelau:...
, leaving American Samoa in this time zone.
See also
- Time zoneTime zoneA time zone is a region on Earth that has a uniform standard time for legal, commercial, and social purposes. In order for the same clock time to always correspond to the same portion of the day as the Earth rotates , different places on the Earth need to have different clock times...
- Time offsetTime offsetThe UTC offset is the time offset from Coordinated Universal Time . It is mostly given as hour or hour and minute. Many time zones employ two time offsets, one for standard time and one for daylight saving time...
- Chamorro Time ZoneChamorro Time ZoneThe Chamorro Time Zone, formerly the Guam Time Zone, observes standard time by adding ten hours to Coordinated Universal Time . The clock time in this zone is based on the mean solar time of the 150th meridian east of the Greenwich Observatory....
- Wake Island Time ZoneWake Island Time ZoneThe Wake Island Time Zone observes standard time by adding twelve hours to Coordinated Universal Time . The clock time in this zone is based on the mean solar time of the 180th degree meridian east of the Greenwich Observatory....
- Hawaii-Aleutian Time ZoneHawaii-Aleutian time zoneThe Hawaii-Aleutian Time Zone observes Hawaii-Aleutian Standard Time , by subtracting ten hours from Coordinated Universal Time . The clock time in this zone is based on the mean solar time of the 150th meridian west of the Greenwich Observatory....
- Alaska Time ZoneAlaska Time ZoneThe Alaska Time Zone observes standard time by subtracting nine hours from Coordinated Universal Time . During daylight saving time its time offset is only eight hours . The clock time in this zone is based on the mean solar time of the 135th meridian west of the Greenwich Observatory.The zone...
- Pacific Time ZonePacific Time ZoneThe Pacific Time Zone observes standard time by subtracting eight hours from Coordinated Universal Time . The clock time in this zone is based on the mean solar time of the 120th meridian west of the Greenwich Observatory. During daylight saving time, its time offset is UTC-7.In the United States...
- Mountain Time ZoneMountain Time ZoneThe Mountain Time Zone of North America keeps time by subtracting seven hours from Coordinated Universal Time, also known as Greenwich Mean Time, during the shortest days of autumn and winter , and by subtracting six hours during daylight saving time in the spring, summer, and early autumn...
- Central Time ZoneCentral Time zoneIn North America, the Central Time Zone refers to national time zones which observe standard time by subtracting six hours from UTC , and daylight saving, or summer time by subtracting five hours...
- Eastern Time ZoneEastern Time ZoneThe Eastern Time Zone of the United States and Canada is a time zone that falls mostly along the east coast of North America. Its UTC time offset is −5 hrs during standard time and −4 hrs during daylight saving time...
- Atlantic Time Zone
- Newfoundland Time Zone