ADT to AST Caribbean
Time Difference
Atlantic Daylight Time is 1 hour ahead of Atlantic Standard Time
3:00 pm15:00 in ADT is 2:00 pm14:00 in AST
ADT to AST call time
Best time for a conference call or a meeting is between 9am-6pm in ADT which corresponds to 8am-5pm in AST
3:00 pm15:00 Atlantic Daylight Time (ADT). Offset UTC -3:00 hours
2:00 pm14:00 Atlantic Standard Time (AST). Offset UTC -4:00 hours
3:00 pm15:00 ADT / 2:00 pm14:00 AST
ADT | AST |
---|---|
12am (midnight) | 11pm |
1am | 12am (midnight) |
2am | 1am |
3am | 2am |
4am | 3am |
5am | 4am |
6am | 5am |
7am | 6am |
8am | 7am |
9am | 8am |
10am | 9am |
11am | 10am |
12pm (noon) | 11am |
1pm | 12pm (noon) |
2pm | 1pm |
3pm | 2pm |
4pm | 3pm |
5pm | 4pm |
6pm | 5pm |
7pm | 6pm |
8pm | 7pm |
9pm | 8pm |
10pm | 9pm |
11pm | 10pm |
0:00 | 23:00 |
1:00 | 0:00 |
2:00 | 1:00 |
3:00 | 2:00 |
4:00 | 3:00 |
5:00 | 4:00 |
6:00 | 5:00 |
7:00 | 6:00 |
8:00 | 7:00 |
9:00 | 8:00 |
10:00 | 9:00 |
11:00 | 10:00 |
12:00 | 11:00 |
13:00 | 12:00 |
14:00 | 13:00 |
15:00 | 14:00 |
16:00 | 15:00 |
17:00 | 16:00 |
18:00 | 17:00 |
19:00 | 18:00 |
20:00 | 19:00 |
21:00 | 20:00 |
22:00 | 21:00 |
23:00 | 22:00 |
Atlantic Daylight Time
Offset: ADT is 3 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Bermuda, Canada, Greenland
Principal Cities: The largest city in the ADT timezone is Halifax from Canada with population about 359,111 people. Other major cities in the area are Sydney, Dartmouth, Saint John, Moncton
French: HAA - Heure Avancée de l'Atlantique
Daylight Saving: Atlantic Daylight Time (ADT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Atlantic Standard Time (AST).
Start: Atlantic Daylight Time (ADT) started on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Atlantic Daylight Time (ADT) ends on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
ADT 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 ADT
- P - short form of 'Papa'
- America/Glace_Bay
- America/Goose_Bay
- America/Halifax
- America/Moncton
- America/Thule
- Atlantic/Bermuda
- Canada/Atlantic
- 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
Atlantic Standard Time
Offset: AST is 4 hours behind Greenwich Mean Time (GMT) and is used in Caribbean
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
Daylight Saving: Atlantic Standard Time (AST) is not adjusted for daylight saving therefore AST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Atlantic Standard Time remains the same
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
- Arabian Standard Time - UTC +3
- Argentina Standard Time - UTC -3
- Apia Standard Time - UTC +13
- Azores Summer Time - UTC +0
- 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