Updating current time…
South Georgia and the South Sandwich IslandsGST
UTC−2
12am
3am
6am
9am
12pm
3pm
6pm
9pm
GMT
UTC+0
2h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
The United Kingdom is on summer time: BST (UTC+1) until Sun, Oct 25.

Iceland and Ghana stay on GMT (UTC+0).

Quick answers

Selected conversion

10:00 am10:00 GST (UTC-2), Oct 16, 2026 = 12:00 pm12:00 GMT (UTC+0), Oct 16, 2026

Grytviken is 2 hours behind GMT.

How the time difference changes

Grytviken is 2 hours behind GMT year-round.

Working hours of 9:00 am to 6:00 pm in Grytviken correspond to 11:00 am to 8:00 pm in GMT.Working hours of 09:00 to 18:00 in Grytviken correspond to 11:00 to 20:00 in GMT.

Compare Grytviken time with GMT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

GST (South Georgia Time) is 2 hours behind Greenwich Mean Time.
10:00 am10:00 in Grytviken, South Georgia and the South Sandwich Islands is 12:00 pm12:00 in GMT

Grytviken to GMT call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in Grytviken which corresponds to 11am-6pm11:00-18:00 in GMT

10:00 am10:00 GST (South Georgia Time) (Grytviken, South Georgia and the South Sandwich Islands). Offset UTC -2:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours

10:00 am10:00 Grytviken, South Georgia and the South Sandwich Islands / 12:00 pm12:00 GMT

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
Grytviken, South Georgia and the South Sandwich IslandsGMT
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12:00am next day
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Grytviken Time Zone and Facts

Time Zone

Abbreviation / Offset
GST – South Georgia Time, UTC-2 (no daylight saving time)

Grytviken Facts

Country
South Georgia and the South Sandwich Islands
Alternative Names
Gritviken, Griutvikenas, Grjutviken, Grutviken, Grytviken, Qryotviken, geuliteubiken, gritavikena, grytwwyqn, gu li de wei ken, guritobiken, krit wi khen, Грутвикен, Грутвікен, Грютвикен, Грютвікен, גריטוויקן, ग्रिटविकेन, กริตวีเคน, グリトビケン, 古利德維肯, 그리트비켄
Population
2
Currency
Pound (GBP)
Geographic Coordinates
54° 16' S Latitude / 36° 30' W Longitude

Greenwich Mean Time

Offset: GMT is the same as Greenwich Mean Time (GMT).

Countries using this time zone: Antarctica, Burkina Faso, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Togo, United Kingdom, Western Sahara

Principal Cities: The largest city in the GMT time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Casablanca, Dakar.

Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use the two are the same. In the military, GMT is known as Zulu time. Greenwich Mean Time was the same as Universal Time (UT), a standard astronomical concept used in many technical fields, until the introduction of UTC in 1972.

Map of the areas on Greenwich Mean Time (GMT)
GMT all year GMT part of the year

Today the lighter areas are on UTC+1 (British Summer Time, Irish Standard Time).

GMT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for GMT
  • Z - short form of 'Zulu'
IANA/Olson: Reflects GMT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Abidjan
  • Africa/Accra
  • Africa/Bamako
  • Africa/Banjul
  • Africa/Bissau
  • Africa/Conakry
  • Africa/Dakar
  • Africa/Freetown
  • Africa/Lome
  • Africa/Monrovia
  • Africa/Nouakchott
  • Africa/Ouagadougou
  • Africa/Sao_Tome
  • Africa/Timbuktu
  • America/Danmarkshavn
  • Atlantic/Reykjavik
  • Atlantic/St_Helena
  • Eire
  • Etc/GMT
  • Etc/GMT+0
  • Etc/GMT-0
  • Etc/GMT0
  • Etc/Greenwich
  • Europe/Belfast
  • Europe/Dublin
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
  • GMT
  • GMT+0
  • GMT-0
  • GMT0
  • Greenwich
  • Iceland
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Coordinated Universal Time
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone