Time in IOT and MST
The time difference between Indian Ocean Time (IOT) and Mountain Standard Time (MST) is 10 hours. Mountain Standard Time is 10 hours behind Indian Ocean Time.
This means 9am IOT is 11pm MST (previous day) and 5pm IOT is 7am MST.
Indian Ocean Time
- The current local time in IOT is 3:26 pm (July 18, 2026)
- IOT time zone offset is UTC+03:00
Mountain Standard Time
- The current local time in MST is 7:26 pm (July 18, 2026)
- MST time zone offset is UTC-07:00
How to convert Indian Ocean Time to Mountain Standard Time?
Subtract 10 hours from Indian Ocean Time to get Mountain Standard Time.
Time in IOT
00:00
Time in MST
00:00
Use the slider above to convert Indian Ocean 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
| IOT | MST |
|---|---|
| 12am | 2pm |
| 1am | 3pm |
| 2am | 4pm |
| 3am | 5pm |
| 4am | 6pm |
| 5am | 7pm |
| 6am | 8pm |
| 7am | 9pm |
| 8am | 10pm |
| 9am | 11pm |
| 10am | 12am |
| 11am | 1am |
| 12pm | 2am |
| 1pm | 3am |
| 2pm | 4am |
| 3pm | 5am |
| 4pm | 6am |
| 5pm | 7am |
| 6pm | 8am |
| 7pm | 9am |
| 8pm | 10am |
| 9pm | 11am |
| 10pm | 12pm |
| 11pm | 1pm |