Time difference
Time difference between Havana and Ulaanbaatar
Find the best time to schedule a call or meeting.
Ulaanbaatar is currently 12 hours ahead of Havana.
Havana • GMT-4
9:15 AM
Thursday, Jun 18
Ulaanbaatar • GMT+8
9:15 PM
Thursday, Jun 18
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Best times to meet
Standard 9 AM – 5 PM hours in Havana and Ulaanbaatar do not overlap. The least-bad options are an early start in one city or a late evening call in the other — for example a 7–8 AM meeting in Havana, or a 6–8 PM meeting in Ulaanbaatar.
Quick conversion table
| Havana | Ulaanbaatar |
|---|---|
| 8 AM | 8:00 PM |
| 12 PM | 12:00 AM (next day) |
| 3 PM | 3:00 AM (next day) |
| 5 PM | 5:00 AM (next day) |
| 9 PM | 9:00 AM (next day) |
Daylight saving
Heads up: the gap will widen to 13 hours around November 5, when one of the cities shifts for daylight saving. Double-check meeting times scheduled across that date.
Frequently asked questions
- How many hours ahead is Ulaanbaatar than Havana?
- Ulaanbaatar is 12 hours ahead of Havana.
- What time is 9 AM in Havana in Ulaanbaatar?
- 9:00 AM in Havana is 9:00 PM in Ulaanbaatar.
- Do Havana and Ulaanbaatar observe daylight saving?
- Heads up: the gap will widen to 13 hours around November 5, when one of the cities shifts for daylight saving. Double-check meeting times scheduled across that date.
- When is the best time to call Ulaanbaatar from Havana?
- Havana and Ulaanbaatar business hours don't overlap. The closest options are early mornings in Havana or late evenings, when one side stretches outside 9–5.