CDT Caribbean to ADT
Time Difference
Cuba Daylight Time is 1 hours behind Atlantic Daylight Time
12:00 pm12:00 in CDT is 1:00 pm13:00 in ADT
CDT to ADT call time
Best time for a conference call or a meeting is between 8am-5pm in CDT which corresponds to 9am-6pm in ADT
12:00 pm12:00 Cuba Daylight Time (CDT). Offset UTC -4:00 hours
1:00 pm13:00 Atlantic Daylight Time (ADT). Offset UTC -3:00 hours
12:00 pm12:00 CDT / 1:00 pm13:00 ADT
CDT | ADT |
---|---|
12am (midnight) | 1am |
1am | 2am |
2am | 3am |
3am | 4am |
4am | 5am |
5am | 6am |
6am | 7am |
7am | 8am |
8am | 9am |
9am | 10am |
10am | 11am |
11am | 12pm (noon) |
12pm (noon) | 1pm |
1pm | 2pm |
2pm | 3pm |
3pm | 4pm |
4pm | 5pm |
5pm | 6pm |
6pm | 7pm |
7pm | 8pm |
8pm | 9pm |
9pm | 10pm |
10pm | 11pm |
11pm | 12am (midnight) |
0:00 | 1:00 |
1:00 | 2:00 |
2:00 | 3:00 |
3:00 | 4:00 |
4:00 | 5:00 |
5:00 | 6:00 |
6:00 | 7:00 |
7:00 | 8:00 |
8:00 | 9:00 |
9:00 | 10:00 |
10:00 | 11:00 |
11:00 | 12:00 |
12:00 | 13:00 |
13:00 | 14:00 |
14:00 | 15:00 |
15:00 | 16:00 |
16:00 | 17:00 |
17:00 | 18:00 |
18:00 | 19:00 |
19:00 | 20:00 |
20:00 | 21:00 |
21:00 | 22:00 |
22:00 | 23:00 |
23:00 | 0:00 |
Cuba Daylight Time
Offset: CDT is 4 hours behind Greenwich Mean Time (GMT) and is used in Caribbean
Countries: It is used in following countries: Cuba
Principal Cities: The largest city in the CDT timezone is Havana from Cuba with population about 2.164 million people. Other major cities in the area are Santiago de Cuba, Camaguey, Holguin, Guantanamo
Daylight Saving: Cuba Daylight Time (CDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Cuba Standard Time (CST).
Start: Cuba Daylight Time (CDT) started on Sunday, March 12, 2023 at 12:00 am local time and clocks were set one hour forward to Sunday, March 12, 2023, 1:00 am. Daylight saving starts annually the on second Sunday of March
End: Cuba Daylight Time (CDT) ends on Sunday, November 5, 2023 at 1:00 am local time and clocks are set one hour back to Sunday, November 5, 2023, 12:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
CDT 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 CDT
- Q - short form of 'Quebec'
- America/Havana
- Cuba
- Central Daylight Time - UTC -5
- Cuba Daylight Time - UTC -4
- 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
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 12, 2023 at 2:00 am local time and clocks were set one hour forward to Sunday, March 12, 2023, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Atlantic Daylight Time (ADT) ends on Sunday, November 5, 2023 at 2:00 am local time and clocks are set one hour back to Sunday, November 5, 2023, 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
- Atlantic Daylight Time - UTC -3
- Apia Daylight Time - UTC +14
- 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