Time in HST and ULAT
The time difference between Hawaii–Aleutian Standard Time (HST) and Ulaanbaatar Standard Time (ULAT) is 18 hours. Ulaanbaatar Standard Time is 18 hours ahead of Hawaii–Aleutian Standard Time.
This means 9am HST is 3am ULAT (next day) and 5pm HST is 11am ULAT (next day).
Hawaii–Aleutian Standard Time
- The current local time in HST is 7:13 am (July 11, 2026)
- HST time zone offset is UTC-10:00
Ulaanbaatar Standard Time
- The current local time in ULAT is 5:13 am (July 11, 2026)
- ULAT time zone offset is UTC+08:00
How to convert Hawaii–Aleutian Standard Time to Ulaanbaatar Standard Time?
Add 18 hours to Hawaii–Aleutian Standard Time to get Ulaanbaatar Standard Time.
Time in HST
00:00
Time in ULAT
00:00
Use the slider above to convert Hawaii–Aleutian Standard Time to Ulaanbaatar 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
| HST | ULAT |
|---|---|
| 12am | 6pm |
| 1am | 7pm |
| 2am | 8pm |
| 3am | 9pm |
| 4am | 10pm |
| 5am | 11pm |
| 6am | 12am |
| 7am | 1am |
| 8am | 2am |
| 9am | 3am |
| 10am | 4am |
| 11am | 5am |
| 12pm | 6am |
| 1pm | 7am |
| 2pm | 8am |
| 3pm | 9am |
| 4pm | 10am |
| 5pm | 11am |
| 6pm | 12pm |
| 7pm | 1pm |
| 8pm | 2pm |
| 9pm | 3pm |
| 10pm | 4pm |
| 11pm | 5pm |