Offset
The time difference between Cuba Standard Time and Moscow Time is 7 hours.
Cuba Standard Time (CDT) is behind Moscow Time (MSK).
CDT: UTC-4
MSK: UTC+3
Cuba Standard Time is currently observing daylight saving time; Moscow Time is not.
When to schedule
Business-hours overlap: 9 AM–10 AM in Cuba Standard Time (4 PM–5 PM in Moscow Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 9:00 AM Cuba Standard Time (4:00 PM Moscow 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
Russia
- New Year's DayThu, Jan 1
- New Year holidayFri, Jan 2
- New Year holidaySat, Jan 3
- New Year holidaySun, Jan 4
- New Year holidayMon, Jan 5
- New Year holidayTue, Jan 6
- Christmas Day (Orthodox)Wed, Jan 7
- Defender of the Fatherland DayMon, Feb 23
- International Women's DaySun, Mar 8
- Labour DayFri, May 1
- Victory DaySat, May 9
- Russia DayFri, Jun 12
- Unity DayWed, Nov 4
About these zones
Cuba Standard Time is also known as CST, or CDT. To call Cuba, dial +53.
Moscow Time is also known as MSK. To call Russia, dial +7.
Moscow Time is approximately 5,950 miles northeast of Cuba Standard Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| CST-CUBA | MSK | Day |
|---|---|---|
| 12:00 am | 7:00 am | Same day |
| 1:00 am | 8:00 am | Same day |
| 2:00 am | 9:00 am | Same day |
| 3:00 am | 10:00 am | Same day |
| 4:00 am | 11:00 am | Same day |
| 5:00 am | 12:00 pm | Same day |
| 6:00 am | 1:00 pm | Same day |
| 7:00 am | 2:00 pm | Same day |
| 8:00 am | 3:00 pm | Same day |
| 9:00 am | 4:00 pm | Same day |
| 10:00 am | 5:00 pm | Same day |
| 11:00 am | 6:00 pm | Same day |
| 12:00 pm | 7:00 pm | Same day |
| 1:00 pm | 8:00 pm | Same day |
| 2:00 pm | 9:00 pm | Same day |
| 3:00 pm | 10:00 pm | Same day |
| 4:00 pm | 11:00 pm | Same day |
| 5:00 pm | 12:00 am | +1 day |
| 6:00 pm | 1:00 am | +1 day |
| 7:00 pm | 2:00 am | +1 day |
| 8:00 pm | 3:00 am | +1 day |
| 9:00 pm | 4:00 am | +1 day |
| 10:00 pm | 5:00 am | +1 day |
| 11:00 pm | 6:00 am | +1 day |
Daylight saving time
Cuba Standard Time observes daylight saving time; Moscow 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
- 3:51 AM
- Sunset
- 9:07 PM
- Day length
- 17h 17m
Daylight overlap: 7h 23m — 6:44 AM–2:07 PM in Cuba Standard Time (1:44 PM–9:07 PM in Moscow Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Cuba Standard Time
Cities in Moscow Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Cuba Standard Time
- HAV
Airports in Moscow Time
- DME
- SVO
- VKO
- ZIA
- LED
- GOJ
Related conversions
Common conversions
- What is 9:00 am CST-CUBA in MSK?
- 9:00 am CST-CUBA is 4:00 pm MSK.
- What is 12:00 pm CST-CUBA in MSK?
- 12:00 pm CST-CUBA is 7:00 pm MSK.
- What is 12:30 pm CST-CUBA in MSK?
- 12:30 pm CST-CUBA is 7:30 pm MSK.
- What is 2:00 pm CST-CUBA in MSK?
- 2:00 pm CST-CUBA is 9:00 pm MSK.
- What is 5:00 pm CST-CUBA in MSK?
- 5:00 pm CST-CUBA is 12:00 am MSK, the next day.
- What is 11:30 pm CST-CUBA in MSK?
- 11:30 pm CST-CUBA is 6:30 am MSK, the next day.