Time difference
Time difference between Honolulu and Ulaanbaatar
Find the best time to schedule a call or meeting.
Ulaanbaatar is currently 18 hours ahead of Honolulu.
Honolulu • HST
3:08 AM
Thursday, Jun 18
Ulaanbaatar • GMT+8
9:08 PM
Thursday, Jun 18
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Best times to meet
Standard 9 AM – 5 PM hours in Honolulu 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 Honolulu, or a 6–8 PM meeting in Ulaanbaatar.
Quick conversion table
| Honolulu | Ulaanbaatar |
|---|---|
| 8 AM | 2:00 AM (next day) |
| 12 PM | 6:00 AM (next day) |
| 3 PM | 9:00 AM (next day) |
| 5 PM | 11:00 AM (next day) |
| 9 PM | 3:00 PM (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 Honolulu?
- Ulaanbaatar is 18 hours ahead of Honolulu.
- What time is 9 AM in Honolulu in Ulaanbaatar?
- 9:00 AM in Honolulu is 3:00 AM the next day in Ulaanbaatar.
- Do Honolulu 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 Honolulu?
- Honolulu and Ulaanbaatar business hours don't overlap. The closest options are early mornings in Honolulu or late evenings, when one side stretches outside 9–5.