Offset
The time difference between Cuba Standard Time and Uruguay Time is 1 hour.
Cuba Standard Time (CDT) is behind Uruguay Time (UYT).
CDT: UTC-4
UYT: UTC-3
Cuba Standard Time is currently observing daylight saving time; Uruguay Time is not.
When to schedule
Business-hours overlap: 9 AM–4 PM in Cuba Standard Time (10 AM–5 PM in Uruguay Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 12:00 PM Cuba Standard Time (1:00 PM Uruguay 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
Uruguay
- New Year's DayThu, Jan 1
- Children's DayTue, Jan 6
- CarnivalMon, Feb 16
- CarnivalTue, Feb 17
- Maundy ThursdayThu, Apr 2
- Good FridayFri, Apr 3
- Landing of the 33 Patriots DaySun, Apr 19
- International Workers' DayFri, May 1
- Battle of Las PiedrasMon, May 18
- Birthday of José Gervasio Artigas and Never Again DayFri, Jun 19
- Constitution DaySat, Jul 18
- Independence DayTue, Aug 25
- Day of the raceMon, Oct 12
- Deceased ones dayMon, Nov 2
- Christmas DayFri, Dec 25
About these zones
Cuba Standard Time is also known as CST, or CDT. To call Cuba, dial +53.
Uruguay Time is also known as UYT. To call Uruguay, dial +598.
Uruguay Time is approximately 4,350 miles southeast of Cuba Standard Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| CST-CUBA | UYT | Day |
|---|---|---|
| 12:00 am | 1:00 am | Same day |
| 1:00 am | 2:00 am | Same day |
| 2:00 am | 3:00 am | Same day |
| 3:00 am | 4:00 am | Same day |
| 4:00 am | 5:00 am | Same day |
| 5:00 am | 6:00 am | Same day |
| 6:00 am | 7:00 am | Same day |
| 7:00 am | 8:00 am | Same day |
| 8:00 am | 9:00 am | Same day |
| 9:00 am | 10:00 am | Same day |
| 10:00 am | 11:00 am | Same day |
| 11:00 am | 12:00 pm | Same day |
| 12:00 pm | 1:00 pm | Same day |
| 1:00 pm | 2:00 pm | Same day |
| 2:00 pm | 3:00 pm | Same day |
| 3:00 pm | 4:00 pm | Same day |
| 4:00 pm | 5:00 pm | Same day |
| 5:00 pm | 6:00 pm | Same day |
| 6:00 pm | 7:00 pm | Same day |
| 7:00 pm | 8:00 pm | Same day |
| 8:00 pm | 9:00 pm | Same day |
| 9:00 pm | 10:00 pm | Same day |
| 10:00 pm | 11:00 pm | Same day |
| 11:00 pm | 12:00 am | +1 day |
Daylight saving time
Cuba Standard Time observes daylight saving time; Uruguay 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
- 6:44 AM
- Sunset
- 8:14 PM
- Day length
- 13h 30m
- Sunrise
- 7:47 AM
- Sunset
- 5:41 PM
- Day length
- 9h 54m
Daylight overlap: 9h 54m — 6:47 AM–4:41 PM in Cuba Standard Time (7:47 AM–5:41 PM in Uruguay Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Cuba Standard Time
Cities in Uruguay Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Cuba Standard Time
- HAV
Airports in Uruguay Time
- MVD
Related conversions
Common conversions
- What is 9:00 am CST-CUBA in UYT?
- 9:00 am CST-CUBA is 10:00 am UYT.
- What is 12:00 pm CST-CUBA in UYT?
- 12:00 pm CST-CUBA is 1:00 pm UYT.
- What is 12:30 pm CST-CUBA in UYT?
- 12:30 pm CST-CUBA is 1:30 pm UYT.
- What is 2:00 pm CST-CUBA in UYT?
- 2:00 pm CST-CUBA is 3:00 pm UYT.
- What is 5:00 pm CST-CUBA in UYT?
- 5:00 pm CST-CUBA is 6:00 pm UYT.
- What is 11:30 pm CST-CUBA in UYT?
- 11:30 pm CST-CUBA is 12:30 am UYT, the next day.