Time difference
Time difference between Colombo and Ulaanbaatar
Find the best time to schedule a call or meeting.
Ulaanbaatar is currently 2 hours 30 minutes ahead of Colombo.
Colombo • GMT+5:30
8:17 PM
Thursday, Jun 18
Ulaanbaatar • GMT+8
10:47 PM
Thursday, Jun 18
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Best times to meet
The 9 AM – 5 PM business windows in both cities overlap for 5.5 hours. 9 AM–2:30 PM in Colombo is 11:30 AM–5 PM in Ulaanbaatar. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.
Quick conversion table
| Colombo | Ulaanbaatar |
|---|---|
| 8 AM | 10:30 AM |
| 12 PM | 2:30 PM |
| 3 PM | 5:30 PM |
| 5 PM | 7:30 PM |
| 9 PM | 11:30 PM |
Daylight saving
The time difference between these two cities stays the same over the next six months — neither zone is changing for daylight saving in that window.
Frequently asked questions
- How many hours ahead is Ulaanbaatar than Colombo?
- Ulaanbaatar is 2.5 hours ahead of Colombo.
- What time is 9 AM in Colombo in Ulaanbaatar?
- 9:00 AM in Colombo is 11:30 AM in Ulaanbaatar.
- Do Colombo and Ulaanbaatar observe daylight saving?
- The time difference between these two cities stays the same over the next six months — neither zone is changing for daylight saving in that window.
- When is the best time to call Ulaanbaatar from Colombo?
- Aim for 9 AM–2:30 PM in Colombo, which is 11:30 AM–5 PM in Ulaanbaatar.