Havana, Cuba to HADT
Time Difference
CST (Colombia Standard Time) is 4 hours ahead of Hawaii-Aleutian Daylight Time
10:00 am10:00 in Havana, Cuba is 6:00 am06:00 in HADT
Havana to HADT call time
Best time for a conference call or a meeting is between 12pm-6pm in Havana which corresponds to 8am-2pm in HADT
10:00 am10:00 CST (Colombia Standard Time) (Havana, Cuba). Offset UTC -5:00 hours
6:00 am06:00 Hawaii-Aleutian Daylight Time (HADT). Offset UTC -9:00 hours
10:00 am10:00 Havana, Cuba / 6:00 am06:00 HADT
| Havana, Cuba | HADT |
|---|---|
| 12am (midnight) | 8pm |
| 1am | 9pm |
| 2am | 10pm |
| 3am | 11pm |
| 4am | 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 |
| 0:00 | 20:00 |
| 1:00 | 21:00 |
| 2:00 | 22:00 |
| 3:00 | 23:00 |
| 4:00 | 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 |
Havana Information
Time Zone
Abbreviation / Name
CST - Colombia Standard Time
CDT - Cuba Daylight Time
CDT - Cuba Daylight Time
UTC / GMT Offset
-5:00 hours during Colombia Standard Time, currently in use.
-4:00 hours during Cuba Daylight Time.
-4:00 hours during Cuba Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Sunday, March 9, 2025 at 12:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 1 hour to Sunday, March 9, 2025, 1:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Sunday, November 2, 2025 at 1:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 1 hour to Sunday, November 2, 2025, 12:00 am local standard time instead. Also called Fall Back or switch to Winter Time.
Havana Facts
Country
Cuba
Alternative Names
A Habana, Abana, Gavana, Gavanae, Gavane, HAV, Habana, Hafana, Hahvaxnaz, Havan, Havana, Havanna, Havano, Hawana, Khavana, L'Avana, LAvan-a, LAvana, LAvann-a, LHabana, LHavana, La Ahuana, La Avan, La Avàn, La Habana, La Havana, La Havane, abana, avana, ha wa na, habana, habhana, hafana, havana, hawana, xia wan na, Ħavana, ŁAvana, Αβάνα, Гaванa, Гаванæ, Гавана, Гаване, Хавана, Ҳавана, Հավանա, האוואנע, הוואנה, هافانا, هاوانا, ہوانا, हवाना, হাভানা, ਹਵਾਨਾ, ହାଭାନା, அவானா, ഹവാന, ฮาวานา, ཧ་ཝན, ဟာဗားနားမြို့, ჰავანა, ሀቫና, ሀኖይ, ハバナ, 哈瓦那, 夏灣拿, 아바나
Population
2,163,824
Currency
Peso (CUP)
Geographic Coordinates
23° 07' N Latitude / 82° 22' W Longitude
International Dialing Code
+53
Hawaii-Aleutian Daylight Time
Offset: HADT is 9 hours behind Greenwich Mean Time (GMT) and is used in North America
HADT representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- -09 - basic short
- -0900 - basic
- -09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- -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.
Military/NATO: Used by the U.S. military, Chinese military and others
- Victor - Military abbreviation for HADT
- V - short form of 'Victor'
Time zones with the GMT -9 offset:
- 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