GMT to HAST to AKST to PST to MST to CST to EST to AST to NST to PMST to WGT to EGT
Time Difference
Greenwich Mean Time is 10 hours ahead of Hawaii-Aleutian Standard Time and 8 hours ahead of Alaska Daylight Time and 7 hours ahead of Pacific Daylight Time and 6 hours ahead of Mountain Daylight Time and 5 hours ahead of Central Daylight Time and 4 hours ahead of Eastern Daylight Time and 3 hours ahead of Atlantic Daylight Time and 2 hours and 30 minutes ahead of Newfoundland Daylight Time and 3 hours ahead of Pierre & Miquelon Standard Time and 3 hours ahead of West Greenland Time and 1 hour ahead of East Greenland Time
7:30 pm19:30 in GMT is 9:30 am09:30 in HAST and is 11:30 am11:30 in AKDT and is 12:30 pm12:30 in PDT and is 1:30 pm13:30 in MDT and is 2:30 pm14:30 in CDT and is 3:30 pm15:30 in EDT and is 4:30 pm16:30 in ADT and is 5:00 pm17:00 in NDT and is 4:30 pm16:30 in PMST and is 4:30 pm16:30 in WGT and is 6:30 pm18:30 in EGT
GMT to HAST call time
Best time for a conference call or a meeting is between 6pm-8pm in GMT which corresponds to 8am-10am in HAST
GMT to AKST call time
Best time for a conference call or a meeting is between 5pm-7pm in GMT which corresponds to 8am-10am in AKST
GMT to PST call time
Best time for a conference call or a meeting is between 4pm-6pm in GMT which corresponds to 8am-10am in PST
GMT to MST call time
Best time for a conference call or a meeting is between 3pm-6pm in GMT which corresponds to 8am-11am in MST
GMT to CST call time
Best time for a conference call or a meeting is between 2pm-6pm in GMT which corresponds to 8am-12pm in CST
GMT to EST call time
Best time for a conference call or a meeting is between 1pm-6pm in GMT which corresponds to 8am-1pm in EST
GMT to AST call time
Best time for a conference call or a meeting is between 12pm-6pm in GMT which corresponds to 8am-2pm in AST
GMT to NST call time
Best time for a conference call or a meeting is between 11:30am-6pm in GMT which corresponds to 8am-2:30pm in NST
GMT to PMST call time
Best time for a conference call or a meeting is between 11am-6pm in GMT which corresponds to 8am-3pm in PMST
GMT to WGT call time
Best time for a conference call or a meeting is between 11am-6pm in GMT which corresponds to 8am-3pm in WGT
GMT to EGT call time
Best time for a conference call or a meeting is between 9am-6pm in GMT which corresponds to 8am-5pm in EGT
7:30 pm19:30 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
9:30 am09:30 Hawaii-Aleutian Standard Time (HAST). Offset UTC -10:00 hours
11:30 am11:30 Alaska Daylight Time (AKDT). Offset UTC -8:00 hours
12:30 pm12:30 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
1:30 pm13:30 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
2:30 pm14:30 Central Daylight Time (CDT). Offset UTC -5:00 hours
3:30 pm15:30 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
4:30 pm16:30 Atlantic Daylight Time (ADT). Offset UTC -3:00 hours
5:00 pm17:00 Newfoundland Daylight Time (NDT). Offset UTC -2:30 hours
4:30 pm16:30 Pierre & Miquelon Standard Time (PMST). Offset UTC -3:00 hours
4:30 pm16:30 West Greenland Time (WGT). Offset UTC -3:00 hours
6:30 pm18:30 East Greenland Time (EGT). Offset UTC -1:00 hours
7:30 pm19:30 GMT / 9:30 am09:30 HAST / 11:30 am11:30 AKDT / 12:30 pm12:30 PDT / 1:30 pm13:30 MDT / 2:30 pm14:30 CDT / 3:30 pm15:30 EDT / 4:30 pm16:30 ADT / 5:00 pm17:00 NDT / 4:30 pm16:30 PMST / 4:30 pm16:30 WGT / 6:30 pm18:30 EGT
| GMT | HAST | AKDT | PDT | MDT | CDT | EDT | ADT | NDT | PMST | WGT | EGT |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 12am (midnight) | 2pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 9:30 pm | 9pm | 9pm | 11pm |
| 1am | 3pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 10:30 pm | 10pm | 10pm | 12am (midnight) |
| 2am | 4pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm | 11:30 pm | 11pm | 11pm | 1am |
| 3am | 5pm | 7pm | 8pm | 9pm | 10pm | 11pm | 12am (midnight) | 12:30 am | 12am (midnight) | 12am (midnight) | 2am |
| 4am | 6pm | 8pm | 9pm | 10pm | 11pm | 12am (midnight) | 1am | 1:30 am | 1am | 1am | 3am |
| 5am | 7pm | 9pm | 10pm | 11pm | 12am (midnight) | 1am | 2am | 2:30 am | 2am | 2am | 4am |
| 6am | 8pm | 10pm | 11pm | 12am (midnight) | 1am | 2am | 3am | 3:30 am | 3am | 3am | 5am |
| 7am | 9pm | 11pm | 12am (midnight) | 1am | 2am | 3am | 4am | 4:30 am | 4am | 4am | 6am |
| 8am | 10pm | 12am (midnight) | 1am | 2am | 3am | 4am | 5am | 5:30 am | 5am | 5am | 7am |
| 9am | 11pm | 1am | 2am | 3am | 4am | 5am | 6am | 6:30 am | 6am | 6am | 8am |
| 10am | 12am (midnight) | 2am | 3am | 4am | 5am | 6am | 7am | 7:30 am | 7am | 7am | 9am |
| 11am | 1am | 3am | 4am | 5am | 6am | 7am | 8am | 8:30 am | 8am | 8am | 10am |
| 12pm (noon) | 2am | 4am | 5am | 6am | 7am | 8am | 9am | 9:30 am | 9am | 9am | 11am |
| 1pm | 3am | 5am | 6am | 7am | 8am | 9am | 10am | 10:30 am | 10am | 10am | 12pm (noon) |
| 2pm | 4am | 6am | 7am | 8am | 9am | 10am | 11am | 11:30 am | 11am | 11am | 1pm |
| 3pm | 5am | 7am | 8am | 9am | 10am | 11am | 12pm (noon) | 12:30 pm | 12pm (noon) | 12pm (noon) | 2pm |
| 4pm | 6am | 8am | 9am | 10am | 11am | 12pm (noon) | 1pm | 1:30 pm | 1pm | 1pm | 3pm |
| 5pm | 7am | 9am | 10am | 11am | 12pm (noon) | 1pm | 2pm | 2:30 pm | 2pm | 2pm | 4pm |
| 6pm | 8am | 10am | 11am | 12pm (noon) | 1pm | 2pm | 3pm | 3:30 pm | 3pm | 3pm | 5pm |
| 7pm | 9am | 11am | 12pm (noon) | 1pm | 2pm | 3pm | 4pm | 4:30 pm | 4pm | 4pm | 6pm |
| 8pm | 10am | 12pm (noon) | 1pm | 2pm | 3pm | 4pm | 5pm | 5:30 pm | 5pm | 5pm | 7pm |
| 9pm | 11am | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 6:30 pm | 6pm | 6pm | 8pm |
| 10pm | 12pm (noon) | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 7:30 pm | 7pm | 7pm | 9pm |
| 11pm | 1pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 8:30 pm | 8pm | 8pm | 10pm |
| 0:00 | 14:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 21:30 | 21:00 | 21:00 | 23:00 |
| 1:00 | 15:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 22:30 | 22:00 | 22:00 | 0:00 |
| 2:00 | 16:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 | 23:30 | 23:00 | 23:00 | 1:00 |
| 3:00 | 17:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 | 0:00 | 0:30 | 0:00 | 0:00 | 2:00 |
| 4:00 | 18:00 | 20:00 | 21:00 | 22:00 | 23:00 | 0:00 | 1:00 | 1:30 | 1:00 | 1:00 | 3:00 |
| 5:00 | 19:00 | 21:00 | 22:00 | 23:00 | 0:00 | 1:00 | 2:00 | 2:30 | 2:00 | 2:00 | 4:00 |
| 6:00 | 20:00 | 22:00 | 23:00 | 0:00 | 1:00 | 2:00 | 3:00 | 3:30 | 3:00 | 3:00 | 5:00 |
| 7:00 | 21:00 | 23:00 | 0:00 | 1:00 | 2:00 | 3:00 | 4:00 | 4:30 | 4:00 | 4:00 | 6:00 |
| 8:00 | 22:00 | 0:00 | 1:00 | 2:00 | 3:00 | 4:00 | 5:00 | 5:30 | 5:00 | 5:00 | 7:00 |
| 9:00 | 23:00 | 1:00 | 2:00 | 3:00 | 4:00 | 5:00 | 6:00 | 6:30 | 6:00 | 6:00 | 8:00 |
| 10:00 | 0:00 | 2:00 | 3:00 | 4:00 | 5:00 | 6:00 | 7:00 | 7:30 | 7:00 | 7:00 | 9:00 |
| 11:00 | 1:00 | 3:00 | 4:00 | 5:00 | 6:00 | 7:00 | 8:00 | 8:30 | 8:00 | 8:00 | 10:00 |
| 12:00 | 2:00 | 4:00 | 5:00 | 6:00 | 7:00 | 8:00 | 9:00 | 9:30 | 9:00 | 9:00 | 11:00 |
| 13:00 | 3:00 | 5:00 | 6:00 | 7:00 | 8:00 | 9:00 | 10:00 | 10:30 | 10:00 | 10:00 | 12:00 |
| 14:00 | 4:00 | 6:00 | 7:00 | 8:00 | 9:00 | 10:00 | 11:00 | 11:30 | 11:00 | 11:00 | 13:00 |
| 15:00 | 5:00 | 7:00 | 8:00 | 9:00 | 10:00 | 11:00 | 12:00 | 12:30 | 12:00 | 12:00 | 14:00 |
| 16:00 | 6:00 | 8:00 | 9:00 | 10:00 | 11:00 | 12:00 | 13:00 | 13:30 | 13:00 | 13:00 | 15:00 |
| 17:00 | 7:00 | 9:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 14:30 | 14:00 | 14:00 | 16:00 |
| 18:00 | 8:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 15:30 | 15:00 | 15:00 | 17:00 |
| 19:00 | 9:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 16:30 | 16:00 | 16:00 | 18:00 |
| 20:00 | 10:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 17:30 | 17:00 | 17:00 | 19:00 |
| 21:00 | 11:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 18:30 | 18:00 | 18:00 | 20:00 |
| 22:00 | 12:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 19:30 | 19:00 | 19:00 | 21:00 |
| 23:00 | 13:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 20:30 | 20:00 | 20:00 | 22:00 |
Greenwich Mean Time
Offset: GMT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Burkina Faso, Côte d'Ivoire, Britain (UK), Guernsey, Ghana, Greenland, Gambia, Guinea, Guinea-Bissau, Ireland, Isle of Man, Iceland, Jersey, Liberia, Mali, Mauritania, St Helena, Sierra Leone, Senegal, Sao Tome & Principe, Togo
Principal Cities: The largest city in the GMT timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Abidjan, Dakar, Grand Dakar, Accra
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 for the most parts it is the same. In military GMT is known as Zulu time.Greenwich Mean Time was the same as Universal Time (UT), until the introduction of UTC in 1972 a standard astronomical concept used in many technical fields.
GMT representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
- Zulu - Military abbreviation for GMT
- Z - short form of 'Zulu'
- 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
- Greenwich Mean Time - UTC +0
- GMT+03:00 - UTC +3
- GMT - UTC +1
- GMT+11:00 - UTC +11
- GMT-01:00 - UTC -1
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone
Hawaii-Aleutian Standard Time
Offset: HAST is 10 hours behind Greenwich Mean Time (GMT) and is used in North America
HAST representations, usage and related time zones
- -10 - basic short
- -1000 - basic
- -10:00 - extended
- -1000 - sign character (-) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates ten hour and zero minutes time differences to the west of the zero meridian.
- Whiskey - Military abbreviation for HAST
- W - short form of 'Whiskey'
- HAST - Hawaii-Aleutian Standard Time
- CKT - Cook Island Time
- HST - Hawaii Standard Time
- TAHT - Tahiti Time
- W - Whiskey Time Zone
Alaska Standard Time
Offset: AKST is 9 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: United States
Principal Cities: The largest city in the AKST timezone is Anchorage from USA with population about 291,826 people. Other major cities in the area are Fairbanks, Juneau, Eagle River, Badger
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Alaska Daylight Time (AKDT).
End: Alaska Standard Time (AKST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Alaska Standard Time (AKST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
AKST representations, usage and related time zones
- -09 - basic short
- -0900 - basic
- -09:00 - extended
- -0900 - sign character (-) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates nine hour and zero minutes time differences to the west of the zero meridian.
- Victor - Military abbreviation for AKST
- V - short form of 'Victor'
- America/Anchorage
- America/Juneau
- America/Metlakatla
- America/Nome
- America/Sitka
- America/Yakutat
- US/Alaska
- AKST - Alaska Standard Time
- AHDT - Alaska-Hawaii Daylight Time
- HADT - Hawaii-Aleutian Daylight Time
- GAMT - Gambier Time
- HDT - Hawaii Daylight Time
- V - Victor Time Zone
Pacific Standard Time
Offset: PST is 8 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Mexico, United States
Principal Cities: The largest city in the PST timezone is Los Angeles from USA with population about 3.793 million people. Other major cities in the area are Vancouver, Tijuana, San Diego, San Jose
French: HNP - Heure Normale du Pacifique
Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Pacific Daylight Time (PDT).
End: Pacific Standard Time (PST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Pacific Standard Time (PST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
PST representations, usage and related time zones
- -08 - basic short
- -0800 - basic
- -08:00 - extended
- -0800 - sign character (-) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates eight hour and zero minutes time differences to the west of the zero meridian.
- Uniform - Military abbreviation for PST
- U - short form of 'Uniform'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- Pacific Standard Time - UTC -8
- Pitcairn Standard Time - UTC -8
- Peru Standard Time - UTC -5
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone
Mountain Standard Time
Offset: MST is 7 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Mexico, United States
Principal Cities: The largest city in the MST timezone is Phoenix from USA with population about 1.446 million people. Other major cities in the area are Calgary, Edmonton, El Paso, Denver
French: HNR - Heure Normale des Rocheuses
Spanish: MT - Zona Pacífico
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Mountain Daylight Time (MDT).
End: Mountain Standard Time (MST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Mountain Standard Time (MST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
MST representations, usage and related time zones
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates seven hour and zero minutes time differences to the west of the zero meridian.
- Tango - Military abbreviation for MST
- T - short form of 'Tango'
- America/Boise
- America/Cambridge_Bay
- America/Ciudad_Juarez
- America/Creston
- America/Dawson
- America/Dawson_Creek
- America/Denver
- America/Edmonton
- America/Fort_Nelson
- America/Hermosillo
- America/Inuvik
- America/Mazatlan
- America/Phoenix
- America/Shiprock
- America/Whitehorse
- America/Yellowknife
- Canada/Mountain
- Canada/Yukon
- MST
- MST7MDT
- Mexico/BajaSur
- Navajo
- US/Arizona
- US/Mountain
- Mountain Standard Time - UTC -7
- Moscow Standard Time - UTC +3
- Mauritius Standard Time - UTC +4
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States
Principal Cities: The largest city in the CST timezone is Mexico City from Mexico with population about 12.294 million people. Other major cities in the area are Chicago, Houston, Iztapalapa, Ecatepec
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Central Daylight Time (CDT).
End: Central Standard Time (CST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Central Standard Time (CST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
CST representations, usage and related time zones
- -06 - basic short
- -0600 - basic
- -06:00 - extended
- -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates six hour and zero minutes time differences to the west of the zero meridian.
- Sierra - Military abbreviation for CST
- S - short form of 'Sierra'
- America/Bahia_Banderas
- America/Belize
- America/Chicago
- America/Chihuahua
- America/Costa_Rica
- America/El_Salvador
- America/Guatemala
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Managua
- America/Matamoros
- America/Menominee
- America/Merida
- America/Mexico_City
- America/Monterrey
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Regina
- America/Resolute
- America/Swift_Current
- America/Tegucigalpa
- America/Winnipeg
- CST6CDT
- Canada/Central
- Canada/Saskatchewan
- Mexico/General
- US/Central
- US/Indiana-Starke
- Central Standard Time - UTC -6
- China Standard Time - UTC +8
- Cuba Standard Time - UTC -5
- Colombia Standard Time - UTC -5
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States
Principal Cities: The largest city in the EST timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Eastern Daylight Time (EDT).
End: Eastern Standard Time (EST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Eastern Standard Time (EST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
EST representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five hour and zero minutes time differences to the west of the zero meridian.
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
- America/Atikokan
- America/Cancun
- America/Cayman
- America/Coral_Harbour
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Jamaica
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Panama
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST
- EST5EDT
- Jamaica
- US/East-Indiana
- US/Eastern
- US/Michigan
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone
Atlantic Standard Time
Offset: AST is 4 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Antigua & Barbuda, Anguilla, Aruba, Barbados, St Barthelemy, Bermuda, Caribbean NL, Canada, Curaçao, Dominica, Dominican Republic, Grenada, Greenland, Guadeloupe, St Kitts & Nevis, St Lucia, St Martin (French), Martinique, Montserrat, Puerto Rico, St Maarten (Dutch), Trinidad & Tobago, St Vincent, Virgin Islands (UK), Virgin Islands (US)
Principal Cities: The largest city in the AST timezone is Santo Domingo from Dominican Republic with population about 2.202 million people. Other major cities in the area are Santiago de los Caballeros, Santo Domingo Oeste, San Juan, Halifax
French: HNA - Heure Normale de l'Atlantique
Spanish: AST - Tiempo Estándar del Atlántico
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Atlantic Daylight Time (ADT).
End: Atlantic Standard Time (AST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Atlantic Standard Time (AST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
AST representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four hour and zero minutes time differences to the west of the zero meridian.
- Quebec - Military abbreviation for AST
- Q - short form of 'Quebec'
- America/Anguilla
- America/Antigua
- America/Aruba
- America/Barbados
- America/Blanc-Sablon
- America/Curacao
- America/Dominica
- America/Glace_Bay
- America/Goose_Bay
- America/Grenada
- America/Guadeloupe
- America/Halifax
- America/Kralendijk
- America/Lower_Princes
- America/Marigot
- America/Martinique
- America/Moncton
- America/Montserrat
- America/Port_of_Spain
- America/Puerto_Rico
- America/Santo_Domingo
- America/St_Barthelemy
- America/St_Kitts
- America/St_Lucia
- America/St_Thomas
- America/St_Vincent
- America/Thule
- America/Tortola
- America/Virgin
- Atlantic/Bermuda
- Canada/Atlantic
- Atlantic Standard Time - UTC -4
- Arabia Standard Time - UTC +3
- Argentina Standard Time - UTC -3
- Armenia Standard Time - UTC +4
- Azores Summer Time - UTC +0
- Apia Standard Time - UTC +13
- AST - Atlantic Standard Time
- EDT - Eastern Daylight Time
- AMT - Amazon Time
- BOT - Bolivia Time
- CDT - Cuba Daylight Time
- CLT - Chile Standard Time
- FKT - Falkland Island Time
- GYT - Guyana Time
- HLV - Hora Legal de Venezuela
- PYT - Paraguay Time
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time
Newfoundland Standard Time
Offset: NST is 3 hours and 30 minutes behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada
Principal Cities: The largest city in the NST timezone is St Johns from Canada with population about 99,182 people. Other major cities in the area are Mount Pearl, Corner Brook, Conception Bay South
French: HNT - Heure Normale de Terre-Neuve
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Newfoundland Daylight Time (NDT).
End: Newfoundland Standard Time (NST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Newfoundland Standard Time (NST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
NST representations, usage and related time zones
- -0330 - basic
- -03:30 - extended
- -0330 - sign character (-) followed by a four digit time providing hours (03) and minutes (30) of the offset. Indicates three hour and thirty minutes time differences to the west of the zero meridian.
- America/St_Johns
- Canada/Newfoundland
Pierre & Miquelon Standard Time
Offset: PMST is 3 hours behind Greenwich Mean Time (GMT) and is used in North America
PMST representations, usage and related time zones
- -03 - basic short
- -0300 - basic
- -03:00 - extended
- -0300 - sign character (-) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates three hour and zero minutes time differences to the west of the zero meridian.
- Papa - Military abbreviation for PMST
- P - short form of 'Papa'
- ADT - Atlantic Daylight Time
- PMT - Pierre & Miquelon Standard Time
- PMST - Pierre & Miquelon Standard Time
- WGT - West Greenland Time
- AMST - Amazon Summer Time
- ART - Argentina Time
- BRT - BrasÃlia time
- CLST - Chile Summer Time
- FKST - Falkland Islands Summer Time
- GFT - French Guiana Time
- P - Papa Time Zone
- PYST - Paraguay Summer Time
- SRT - Suriname Time
- UYT - Uruguay Time
West Greenland Time
Offset: WGT is 3 hours behind Greenwich Mean Time (GMT) and is used in North America
WGT representations, usage and related time zones
- -03 - basic short
- -0300 - basic
- -03:00 - extended
- -0300 - sign character (-) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates three hour and zero minutes time differences to the west of the zero meridian.
- Papa - Military abbreviation for WGT
- P - short form of 'Papa'
- ADT - Atlantic Daylight Time
- PMT - Pierre & Miquelon Standard Time
- PMST - Pierre & Miquelon Standard Time
- WGT - West Greenland Time
- AMST - Amazon Summer Time
- ART - Argentina Time
- BRT - BrasÃlia time
- CLST - Chile Summer Time
- FKST - Falkland Islands Summer Time
- GFT - French Guiana Time
- P - Papa Time Zone
- PYST - Paraguay Summer Time
- SRT - Suriname Time
- UYT - Uruguay Time
East Greenland Time
Offset: EGT is 1 hour behind Greenwich Mean Time (GMT) and is used in North America
EGT representations, usage and related time zones
- -01 - basic short
- -0100 - basic
- -01:00 - extended
- -0100 - sign character (-) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the west of the zero meridian.
- November - Military abbreviation for EGT
- N - short form of 'November'
- EGT - East Greenland Time
- AZOT - Azores Time
- CVT - Cape Verde Time
- N - November Time Zone