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Convert Hawaii Standard Time (HST) to Ulaanbaatar Summer Time (ULAST, UTC+9) with our free time zone converter. Features real-time conversion and meeting planner for time zone conversion. Accurate, fast, and easy to use on all devices.
Ulaanbaatar Summer Time is 19 hours ahead of Hawaii Standard Time
Complete hourly conversion for Hawaii Standard Time to Ulaanbaatar Summer Time
| Hawaii Standard Time | Ulaanbaatar Summer Time | 24-Hour HST | 24-Hour ULAST |
|---|---|---|---|
| 12:00 AM | 7:00 PM | 00:00 | 19:00 |
| 1:00 AM | 8:00 PM | 01:00 | 20:00 |
| 2:00 AM | 9:00 PM | 02:00 | 21:00 |
| 3:00 AM | 10:00 PM | 03:00 | 22:00 |
| 4:00 AM | 11:00 PM | 04:00 | 23:00 |
| 5:00 AM | 12:00 AM (next day) | 05:00 | 00:00 |
| 6:00 AM | 1:00 AM (next day) | 06:00 | 01:00 |
| 7:00 AM | 2:00 AM (next day) | 07:00 | 02:00 |
| 8:00 AM | 3:00 AM (next day) | 08:00 | 03:00 |
| 9:00 AM | 4:00 AM (next day) | 09:00 | 04:00 |
| 10:00 AM | 5:00 AM (next day) | 10:00 | 05:00 |
| 11:00 AM | 6:00 AM (next day) | 11:00 | 06:00 |
| 12:00 PM | 7:00 AM (next day) | 12:00 | 07:00 |
| 1:00 PM | 8:00 AM (next day) | 13:00 | 08:00 |
| 2:00 PM | 9:00 AM (next day) | 14:00 | 09:00 |
| 3:00 PM | 10:00 AM (next day) | 15:00 | 10:00 |
| 4:00 PM | 11:00 AM (next day) | 16:00 | 11:00 |
| 5:00 PM | 12:00 PM (next day) | 17:00 | 12:00 |
| 6:00 PM | 1:00 PM (next day) | 18:00 | 13:00 |
| 7:00 PM | 2:00 PM (next day) | 19:00 | 14:00 |
| 8:00 PM | 3:00 PM (next day) | 20:00 | 15:00 |
| 9:00 PM | 4:00 PM (next day) | 21:00 | 16:00 |
| 10:00 PM | 5:00 PM (next day) | 22:00 | 17:00 |
| 11:00 PM | 6:00 PM (next day) | 23:00 | 18:00 |
Optimal hours for calls between HST and ULAST
Based on standard business hours (9:00 AM - 6:00 PM) in each time zone
Technical information for both time zones
Source timezone
Target timezone
