AKST to AST Converter
Time Difference
Alaska Daylight Time is 5 hours behind Atlantic Daylight Time
8:00 pm20:00 in AKDT is 1:00 am01:00 in ADT
AKST to AST call time
Best time for a conference call or a meeting is between 8am-1pm in AKST which corresponds to 1pm-6pm in AST
8:00 pm20:00 Alaska Daylight Time (AKDT). Offset UTC -8:00 hours
1:00 am01:00 Atlantic Daylight Time (ADT). Offset UTC -3:00 hours
8:00 pm20:00 AKDT / 1:00 am01:00 ADT
| AKDT | ADT |
|---|---|
| 12am (midnight) | 5am |
| 1am | 6am |
| 2am | 7am |
| 3am | 8am |
| 4am | 9am |
| 5am | 10am |
| 6am | 11am |
| 7am | 12pm (noon) |
| 8am | 1pm |
| 9am | 2pm |
| 10am | 3pm |
| 11am | 4pm |
| 12pm (noon) | 5pm |
| 1pm | 6pm |
| 2pm | 7pm |
| 3pm | 8pm |
| 4pm | 9pm |
| 5pm | 10pm |
| 6pm | 11pm |
| 7pm | 12am (midnight) |
| 8pm | 1am |
| 9pm | 2am |
| 10pm | 3am |
| 11pm | 4am |
| 0:00 | 5:00 |
| 1:00 | 6:00 |
| 2:00 | 7:00 |
| 3:00 | 8:00 |
| 4:00 | 9:00 |
| 5:00 | 10:00 |
| 6:00 | 11:00 |
| 7:00 | 12:00 |
| 8:00 | 13:00 |
| 9:00 | 14:00 |
| 10:00 | 15:00 |
| 11:00 | 16:00 |
| 12:00 | 17:00 |
| 13:00 | 18:00 |
| 14:00 | 19:00 |
| 15:00 | 20:00 |
| 16:00 | 21:00 |
| 17:00 | 22:00 |
| 18:00 | 23:00 |
| 19:00 | 0:00 |
| 20:00 | 1:00 |
| 21:00 | 2:00 |
| 22:00 | 3:00 |
| 23:00 | 4:00 |
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
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