Offset
The time difference between Coordinated Universal Time and Cuba Standard Time is 4 hours.
Coordinated Universal Time (UTC) is ahead of Cuba Standard Time (CDT).
UTC: UTC
CDT: UTC-4
Cuba Standard Time is currently observing daylight saving time; Coordinated Universal Time is not.
When to schedule
Business-hours overlap: 1 PM–5 PM in Coordinated Universal Time (9 AM–1 PM in Cuba Standard Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 3:00 PM Coordinated Universal Time (11:00 AM Cuba Standard Time).
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Cuba
- Triumph of the RevolutionThu, Jan 1
- Victory of Fidel CastroFri, Jan 2
- Good FridayFri, Apr 3
- Labour DayFri, May 1
- Day before the Commemoration of the Assault of the Moncada garrisonSat, Jul 25
- Commemoration of the Assault of the Moncada garrisonSun, Jul 26
- Day after the Commemoration of the Assault of the Moncada garrisonMon, Jul 27
- Independence DaySat, Oct 10
- Christmas DayFri, Dec 25
About these zones
Coordinated Universal Time is also known as UTC.
Cuba Standard Time is also known as CST, or CDT. To call Cuba, dial +53.
Cuba Standard Time is approximately 5,750 miles northwest of Coordinated Universal Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| UTC | CST-CUBA | Day |
|---|---|---|
| 12:00 am | 8:00 pm | -1 day |
| 1:00 am | 9:00 pm | -1 day |
| 2:00 am | 10:00 pm | -1 day |
| 3:00 am | 11:00 pm | -1 day |
| 4:00 am | 12:00 am | Same day |
| 5:00 am | 1:00 am | Same day |
| 6:00 am | 2:00 am | Same day |
| 7:00 am | 3:00 am | Same day |
| 8:00 am | 4:00 am | Same day |
| 9:00 am | 5:00 am | Same day |
| 10:00 am | 6:00 am | Same day |
| 11:00 am | 7:00 am | Same day |
| 12:00 pm | 8:00 am | Same day |
| 1:00 pm | 9:00 am | Same day |
| 2:00 pm | 10:00 am | Same day |
| 3:00 pm | 11:00 am | Same day |
| 4:00 pm | 12:00 pm | Same day |
| 5:00 pm | 1:00 pm | Same day |
| 6:00 pm | 2:00 pm | Same day |
| 7:00 pm | 3:00 pm | Same day |
| 8:00 pm | 4:00 pm | Same day |
| 9:00 pm | 5:00 pm | Same day |
| 10:00 pm | 6:00 pm | Same day |
| 11:00 pm | 7:00 pm | Same day |
Daylight saving time
Cuba Standard Time observes daylight saving time; Coordinated Universal Time does not. The offset between the two zones changes when Cuba Standard Time transitions: on Sunday, November 1, 2026, clocks fall back from CDT to CST.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:56 AM
- Sunset
- 6:03 PM
- Day length
- 12h 7m
- Sunrise
- 6:44 AM
- Sunset
- 8:14 PM
- Day length
- 13h 30m
Daylight overlap: 7h 19m — 10:44 AM–6:03 PM in Coordinated Universal Time (6:44 AM–2:03 PM in Cuba Standard Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Cuba Standard Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Cuba Standard Time
- HAV
Related conversions
Common conversions
- What is 9:00 am UTC in CST-CUBA?
- 9:00 am UTC is 5:00 am CST-CUBA.
- What is 12:00 pm UTC in CST-CUBA?
- 12:00 pm UTC is 8:00 am CST-CUBA.
- What is 12:30 pm UTC in CST-CUBA?
- 12:30 pm UTC is 8:30 am CST-CUBA.
- What is 2:00 pm UTC in CST-CUBA?
- 2:00 pm UTC is 10:00 am CST-CUBA.
- What is 5:00 pm UTC in CST-CUBA?
- 5:00 pm UTC is 1:00 pm CST-CUBA.
- What is 11:30 pm UTC in CST-CUBA?
- 11:30 pm UTC is 7:30 pm CST-CUBA.