Time in Antarctica

Short description: Time zones in Antarctica

Map of approximate time zones on the continent of Antarctica. Stations could use time zones not matching the map.  | 00

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Antarctica sits on every line of longitude because the South Pole is on the continent. Theoretically, Antarctica would be located in all time zones; however, areas south of the Antarctic Circle experience extreme day-night cycles near the times of the June and December solstices, making it difficult to determine which time zone would be appropriate. For practical purposes time zones are usually based on territorial claims; however, many stations use the time of the country that owns them or the time zone of their supply base (e.g., McMurdo Station and Amundsen–Scott South Pole Station use New Zealand time due to their main supply base being Christchurch, New Zealand).[1] In most areas south of 80 degrees latitude, Coordinated Universal Time is assumed despite the limited presence of clocks.

## Contents

* 1 TZ database
* 2 Daylight saving time
* 3 References
* 4 External links

## TZ database

The file zone.tab of the tz database contains the following zones, columns marked with * contain data from the file zone.tab. Only permanently inhabited stations are tracked by the tz database staff. Some summer only stations with different time might exist.

| Country code*  | Coordinates*  | Zone name*  | Comment*  | UTC offset | Area covered

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Standard time | DST
| Template:Time zone/zone.tab cols wikitable | Template:Time zone/utc offset link | No  | Palmer Land
| Template:Time zone/zone.tab cols wikitable | Template:Time zone/utc offset link | No  | Graham Land
| Template:Time zone/zone.tab cols wikitable | Template:Time zone/utc offset link[2] | +02:00 | Queen Maud Land
| Template:Time zone/zone.tab cols wikitable | Template:Time zone/utc offset link | No  | Queen Maud Land, Enderby Land
| Template:Time zone/zone.tab cols wikitable | Template:Time zone/utc offset link | No  | Mac. Robertson Land
| Template:Time zone/zone.tab cols wikitable | Template:Time zone/utc offset link | No  | Inland Antarctica, Queen Maud Land
| Template:Time zone/zone.tab cols wikitable | Template:Time zone/utc offset link | No  | Wilkes Land
| Template:Time zone/zone.tab cols wikitable | +08:00 | +08:00[3] | Wilkes Land
| Template:Time zone/zone.tab cols wikitable | Template:Time zone/utc offset link | No  | Adélie Land, Victoria Land
| Template:Time zone/zone.tab cols wikitable | Template:Time zone/utc offset link | +11:00 | Macquarie Island
| Template:Time zone/zone.tab cols wikitable | Template:Time zone/utc offset link | +13:00 | Ross Dependency
| Template:Time zone/zone.tab cols wikitable | Template:Time zone/utc offset link | +13:00 | South Pole

The coordinates are latitude and longitude, and for each there are 2 or 3 digits for degrees, 2 digits for minutes and for some 2 digits for seconds.

Palmer (-3)

Rothera (-3)

Vostok (+5)

Syowa (+3)

Mawson (+5)

Davis (+7)

Casey (+8)

Dumont-d'Urville (+10)

McMurdo (+12)

South Pole (+12)

Troll (0)

class=notpageimage|

Locations of the reference bases (Not shown: Macquarie (+10) on Macquarie Island)

## Daylight saving time

For the most part, daylight saving time (DST) is not observed in Antarctica. The majority (95 percent) of the continent is located south of the Antarctic Circle, and the midnight sun phenomenon renders the observation of DST unnecessary. Its usage would also further complicate communication with the claimant countries in the Northern Hemisphere.

However, a few regions such as the Ross Dependency and, formerly, Palmer Land, observe the time and use of DST of the countries they are supplied from, New Zealand and Chile, respectively.[1] The areas have DST during the southern summer, when there is the northern winter, including January.

## References

1. ↑ 1.0 1.1 "Local Time → Antarctica @ Time Genie". Timegenie.com. http://www.timegenie.com/country.time/aq.
2. ↑ Forskingsstasjonen Troll (Norwegian Polar Institute) (The Norwegian text under the webcamera says "The time zone where Troll is located, UTC+0, is 1 hours behind Norwegian time". Contacts with the Norwegian Polar Institute has revealed that they use UTC+2 (Norwegian DST) during the dark winter, for communication simplicity, since no airplanes fly anyway then)
3. ↑ "Time Zone & Clock Changes in Casey, Antarctica". https://www.timeanddate.com/time/zone/antarctica/casey.

## External links

* Claims
* Day-Night Cycle

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