Time in HST and MST
The time difference between Hawaii–Aleutian Standard Time (HST) and Mountain Standard Time (MST) is 3 hours. Mountain Standard Time is 3 hours ahead of Hawaii–Aleutian Standard Time.
This means 9am HST is 12pm MST and 5pm HST is 8pm MST.
Hawaii–Aleutian Standard Time
- The current local time in HST is 7:11 am (July 11, 2026)
- HST time zone offset is UTC-10:00
Mountain Standard Time
- The current local time in MST is 4:11 am (July 11, 2026)
- MST time zone offset is UTC-07:00
How to convert Hawaii–Aleutian Standard Time to Mountain Standard Time?
Add 3 hours to Hawaii–Aleutian Standard Time to get Mountain Standard Time.
Time in HST
00:00
Time in MST
00:00
Use the slider above to convert Hawaii–Aleutian Standard Time to Mountain 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 | MST |
|---|---|
| 12am | 3am |
| 1am | 4am |
| 2am | 5am |
| 3am | 6am |
| 4am | 7am |
| 5am | 8am |
| 6am | 9am |
| 7am | 10am |
| 8am | 11am |
| 9am | 12pm |
| 10am | 1pm |
| 11am | 2pm |
| 12pm | 3pm |
| 1pm | 4pm |
| 2pm | 5pm |
| 3pm | 6pm |
| 4pm | 7pm |
| 5pm | 8pm |
| 6pm | 9pm |
| 7pm | 10pm |
| 8pm | 11pm |
| 9pm | 12am |
| 10pm | 1am |
| 11pm | 2am |