AST to IST Israel
Time Difference
Atlantic Daylight Time is 6 hours behind Israel Daylight Time
3:00 pm15:00 in ADT is 9:00 pm21:00 in IDT
AST to IST call time
Best time for a conference call or a meeting is between 8am-12pm in AST which corresponds to 2pm-6pm in IST
3:00 pm15:00 Atlantic Daylight Time (ADT). Offset UTC -3:00 hours
9:00 pm21:00 Israel Daylight Time (IDT). Offset UTC +3:00 hours
3:00 pm15:00 ADT / 9:00 pm21:00 IDT
ADT | IDT |
---|---|
12am (midnight) | 6am |
1am | 7am |
2am | 8am |
3am | 9am |
4am | 10am |
5am | 11am |
6am | 12pm (noon) |
7am | 1pm |
8am | 2pm |
9am | 3pm |
10am | 4pm |
11am | 5pm |
12pm (noon) | 6pm |
1pm | 7pm |
2pm | 8pm |
3pm | 9pm |
4pm | 10pm |
5pm | 11pm |
6pm | 12am (midnight) |
7pm | 1am |
8pm | 2am |
9pm | 3am |
10pm | 4am |
11pm | 5am |
0:00 | 6:00 |
1:00 | 7:00 |
2:00 | 8:00 |
3:00 | 9:00 |
4:00 | 10:00 |
5:00 | 11:00 |
6:00 | 12:00 |
7:00 | 13:00 |
8:00 | 14:00 |
9:00 | 15:00 |
10:00 | 16:00 |
11:00 | 17:00 |
12:00 | 18:00 |
13:00 | 19:00 |
14:00 | 20:00 |
15:00 | 21:00 |
16:00 | 22:00 |
17:00 | 23:00 |
18:00 | 0:00 |
19:00 | 1:00 |
20:00 | 2:00 |
21:00 | 3:00 |
22:00 | 4:00 |
23:00 | 5:00 |
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
Israel Standard Time
Offset: IST is 2 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: Israel
Principal Cities: The largest city in the IST timezone is Jerusalem from Israel with population about 801,000 people. Other major cities in the area are West Jerusalem, Haifa, Tel Aviv, Ashdod

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 Israel Daylight Time (IDT).
End: Israel Standard Time (IST) has ended on Friday, March 28, 2025 at 2:00 am local time and clocks were set one hour forward to Friday, March 28, 2025, 3:00 am local daylight time instead. Standard time ends annually the on last Sunday of March.
Start: Israel Standard Time (IST) starts on Sunday, October 26, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, October 26, 2025, 1:00 am. Standard time starts annually the on last Sunday of October.
IST representations, usage and related time zones
- +02 - basic short
- +0200 - basic
- +02:00 - extended
- +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates two hour and zero minutes time differences to the east of the zero meridian.
- Bravo - Military abbreviation for IST
- B - short form of 'Bravo'
- Asia/Jerusalem
- Asia/Tel_Aviv
- Israel
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
- Iran Standard Time - UTC +3:30
- CEST - Central European Summer Time
- EET - Eastern European Time
- MESZ - Mitteleuropäische Sommerzeit
- B - Bravo Time Zone
- CAT - Central Africa Time
- IST - Israel Standard Time
- SAST - South Africa Standard Time
- WAST - West Africa Summer Time