Time difference
Time difference between Tehran and Ulaanbaatar
Find the best time to schedule a call or meeting.
Ulaanbaatar is currently 4 hours 30 minutes ahead of Tehran.
Tehran • GMT+3:30
4:34 PM
Thursday, Jun 18
Ulaanbaatar • GMT+8
9:04 PM
Thursday, Jun 18
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Best times to meet
The 9 AM – 5 PM business windows in both cities overlap for 3.5 hours. 9 AM–12:30 PM in Tehran is 1:30 PM–5 PM in Ulaanbaatar. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.
Quick conversion table
| Tehran | Ulaanbaatar |
|---|---|
| 8 AM | 12:30 PM |
| 12 PM | 4:30 PM |
| 3 PM | 7:30 PM |
| 5 PM | 9:30 PM |
| 9 PM | 1:30 AM (next day) |
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 Tehran?
- Ulaanbaatar is 4.5 hours ahead of Tehran.
- What time is 9 AM in Tehran in Ulaanbaatar?
- 9:00 AM in Tehran is 1:30 PM in Ulaanbaatar.
- Do Tehran 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 Tehran?
- Aim for 9 AM–12:30 PM in Tehran, which is 1:30 PM–5 PM in Ulaanbaatar.