Colombo to Ulaanbaatar Time Difference
🇱🇰 Colombo is currently 2.5 hours ahead of 🇲🇳 Ulaanbaatar.
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Difference
+2.5h
Business overlap
6h
Distance
5,223 km
Approx. flight
6.1h
Hour-by-Hour: Colombo to Ulaanbaatar
| 🇱🇰 Colombo | 🇲🇳 Ulaanbaatar | Note |
|---|---|---|
| 12:00 AM | 2:30 AM | |
| 1:00 AM | 3:30 AM | |
| 2:00 AM | 4:30 AM | |
| 3:00 AM | 5:30 AM | |
| 4:00 AM | 6:30 AM | |
| 5:00 AM | 7:30 AM | |
| 6:00 AM | 8:30 AM | |
| 7:00 AM | 9:30 AM | |
| 8:00 AM | 10:30 AM | |
| 9:00 AM | 11:30 AM | |
| 10:00 AM | 12:30 PM | |
| 11:00 AM | 1:30 PM | |
| 12:00 PM | 2:30 PM | |
| 1:00 PM | 3:30 PM | |
| 2:00 PM | 4:30 PM | |
| 3:00 PM | 5:30 PM | |
| 4:00 PM | 6:30 PM | |
| 5:00 PM | 7:30 PM | |
| 6:00 PM | 8:30 PM | |
| 7:00 PM | 9:30 PM | |
| 8:00 PM | 10:30 PM | |
| 9:00 PM | 11:30 PM | |
| 10:00 PM | 12:30 AM(next day) | Next day |
| 11:00 PM | 1:30 AM(next day) | Next day |
Daylight Saving Time (DST)
Neither Colombo nor Ulaanbaatar observes Daylight Saving Time. The time difference is always 2.5 hours ahead.
Best Meeting Times
There are 6 overlapping business hours between Colombo and Ulaanbaatar (9 AM – 6 PM in each city).
🇱🇰 Colombo
9:00 AM – 3:00 PM
🇲🇳 Ulaanbaatar
11:30 AM – 5:30 PM
Frequently Asked Questions
What is the time difference between Colombo and Ulaanbaatar?
The time difference between Colombo and Ulaanbaatar is currently 2.5 hours ahead. Colombo uses GMT+5:30 (UTC+5:30), while Ulaanbaatar uses GMT+8 (UTC+8).
When it's noon in Colombo, what time is it in Ulaanbaatar?
When it's 12:00 PM (noon) in Colombo, it is 2:30 PM in Ulaanbaatar. Use our calculator above to convert any other time.
Does the time difference between Colombo and Ulaanbaatar change?
No. The time difference between Colombo and Ulaanbaatar is always 2.5 hours ahead — neither city observes Daylight Saving Time, so the offset never changes.
What are the best times to schedule a call between Colombo and Ulaanbaatar?
The best time to call is between 9:00 AM and 3:00 PM in Colombo (which is 11:30 AM – 5:30 PM in Ulaanbaatar). This 6-hour window falls within business hours in both cities.
Is Colombo ahead or behind Ulaanbaatar?
Colombo is currently 2.5 hours behind Ulaanbaatar.
What time zone is Colombo in?
Colombo is in the Asia/Colombo time zone, currently using GMT+5:30 (UTC+5:30). Colombo does not observe Daylight Saving Time.
What time is midnight in Colombo in Ulaanbaatar?
When it is midnight (12:00 AM) in Colombo, it is 2:30 AM in Ulaanbaatar.