Hanoi to Ulaanbaatar Time Difference
🇻🇳 Hanoi is currently 1 hour ahead of 🇲🇳 Ulaanbaatar.
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Atin 🇻🇳 Hanoi→it will be—in 🇲🇳 Ulaanbaatar
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Difference
+1h
Business overlap
8h
Distance
2,988 km
Approx. flight
3.5h
Hour-by-Hour: Hanoi to Ulaanbaatar
| 🇻🇳 Hanoi | 🇲🇳 Ulaanbaatar | Note |
|---|---|---|
| 12:00 AM | 1:00 AM | |
| 1:00 AM | 2:00 AM | |
| 2:00 AM | 3:00 AM | |
| 3:00 AM | 4:00 AM | |
| 4:00 AM | 5:00 AM | |
| 5:00 AM | 6:00 AM | |
| 6:00 AM | 7:00 AM | |
| 7:00 AM | 8:00 AM | |
| 8:00 AM | 9:00 AM | |
| 9:00 AM | 10:00 AM | |
| 10:00 AM | 11:00 AM | |
| 11:00 AM | 12:00 PM | |
| 12:00 PM | 1:00 PM | |
| 1:00 PM | 2:00 PM | |
| 2:00 PM | 3:00 PM | |
| 3:00 PM | 4:00 PM | |
| 4:00 PM | 5:00 PM | |
| 5:00 PM | 6:00 PM | |
| 6:00 PM | 7:00 PM | |
| 7:00 PM | 8:00 PM | |
| 8:00 PM | 9:00 PM | |
| 9:00 PM | 10:00 PM | |
| 10:00 PM | 11:00 PM | |
| 11:00 PM | 12:00 AM(next day) | Next day |
Daylight Saving Time (DST)
Neither Hanoi nor Ulaanbaatar observes Daylight Saving Time. The time difference is always 1 hour ahead.
Best Meeting Times
There are 8 overlapping business hours between Hanoi and Ulaanbaatar (9 AM – 6 PM in each city).
🇻🇳 Hanoi
9:00 AM – 5:00 PM
🇲🇳 Ulaanbaatar
10:00 AM – 6:00 PM
Frequently Asked Questions
What is the time difference between Hanoi and Ulaanbaatar?
The time difference between Hanoi and Ulaanbaatar is currently 1 hour ahead. Hanoi uses GMT+7 (UTC+7), while Ulaanbaatar uses GMT+8 (UTC+8).
When it's noon in Hanoi, what time is it in Ulaanbaatar?
When it's 12:00 PM (noon) in Hanoi, it is 1:00 PM in Ulaanbaatar. Use our calculator above to convert any other time.
Does the time difference between Hanoi and Ulaanbaatar change?
No. The time difference between Hanoi and Ulaanbaatar is always 1 hour ahead — neither city observes Daylight Saving Time, so the offset never changes.
What are the best times to schedule a call between Hanoi and Ulaanbaatar?
The best time to call is between 9:00 AM and 5:00 PM in Hanoi (which is 10:00 AM – 6:00 PM in Ulaanbaatar). This 8-hour window falls within business hours in both cities.
Is Hanoi ahead or behind Ulaanbaatar?
Hanoi is currently 1 hour behind Ulaanbaatar.
What time zone is Hanoi in?
Hanoi is in the Asia/Ho Chi_Minh time zone, currently using GMT+7 (UTC+7). Hanoi does not observe Daylight Saving Time.
What time is midnight in Hanoi in Ulaanbaatar?
When it is midnight (12:00 AM) in Hanoi, it is 1:00 AM in Ulaanbaatar.