Time in ULAST and HST
The time difference between Ulaanbaatar Summer Time (ULAST) and Hawaii–Aleutian Standard Time (HST) is 19 hours. Hawaii–Aleutian Standard Time is 19 hours behind Ulaanbaatar Summer Time.
This means 9am ULAST is 2pm HST (previous day) and 5pm ULAST is 10pm HST (previous day).
Ulaanbaatar Summer Time
- The current local time in ULAST is 9:40 pm (July 18, 2026)
- ULAST time zone offset is UTC+09:00
Hawaii–Aleutian Standard Time
- The current local time in HST is 10:40 pm (July 18, 2026)
- HST time zone offset is UTC-10:00
How to convert Ulaanbaatar Summer Time to Hawaii–Aleutian Standard Time?
Subtract 19 hours from Ulaanbaatar Summer Time to get Hawaii–Aleutian Standard Time.
Time in ULAST
00:00
Time in HST
00:00
Use the slider above to convert Ulaanbaatar Summer Time to Hawaii–Aleutian Standard Time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| ULAST | HST |
|---|---|
| 12am | 5am |
| 1am | 6am |
| 2am | 7am |
| 3am | 8am |
| 4am | 9am |
| 5am | 10am |
| 6am | 11am |
| 7am | 12pm |
| 8am | 1pm |
| 9am | 2pm |
| 10am | 3pm |
| 11am | 4pm |
| 12pm | 5pm |
| 1pm | 6pm |
| 2pm | 7pm |
| 3pm | 8pm |
| 4pm | 9pm |
| 5pm | 10pm |
| 6pm | 11pm |
| 7pm | 12am |
| 8pm | 1am |
| 9pm | 2am |
| 10pm | 3am |
| 11pm | 4am |