Time in MST and CHST
The time difference between Mountain Standard Time (MST) and Chamorro Standard Time (CHST) is 17 hours. Chamorro Standard Time is 17 hours ahead of Mountain Standard Time.
This means 9am MST is 2am CHST (next day) and 5pm MST is 10am CHST (next day).
Mountain Standard Time
- The current local time in MST is 3:20 am (July 3, 2026)
- MST time zone offset is UTC-07:00
Chamorro Standard Time
- The current local time in CHST is 6:20 am (July 3, 2026)
- CHST time zone offset is UTC+10:00
How to convert Mountain Standard Time to Chamorro Standard Time?
Add 17 hours to Mountain Standard Time to get Chamorro Standard Time.
Time in MST
00:00
Time in CHST
00:00
Use the slider above to convert Mountain Standard Time to Chamorro 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
| MST | CHST |
|---|---|
| 12am | 5pm |
| 1am | 6pm |
| 2am | 7pm |
| 3am | 8pm |
| 4am | 9pm |
| 5am | 10pm |
| 6am | 11pm |
| 7am | 12am |
| 8am | 1am |
| 9am | 2am |
| 10am | 3am |
| 11am | 4am |
| 12pm | 5am |
| 1pm | 6am |
| 2pm | 7am |
| 3pm | 8am |
| 4pm | 9am |
| 5pm | 10am |
| 6pm | 11am |
| 7pm | 12pm |
| 8pm | 1pm |
| 9pm | 2pm |
| 10pm | 3pm |
| 11pm | 4pm |