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MSK to MST converter
Moscow Time
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Mountain Time
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Mountain Time is 9 hours behind Moscow Time for most of the year, and 10 hours behind for part of it, because the two change their clocks on different dates (or only one of them changes at all).
When does the difference change?
In 2026:
- January 1 to March 7: Mountain Time is 10 hours behind Moscow Time
- March 8 to October 31: Mountain Time is 9 hours behind Moscow Time
- November 1 to December 31: Mountain Time is 10 hours behind Moscow Time
Questions
What time is 9 AM MSK in MST?
For most of the year, 9 AM Moscow Time is 12 AM Mountain Time. For part of the year it is 11 PM the day before, because of daylight saving time.
How many hours ahead or behind is MST from MSK?
Mountain Time is 9 hours behind Moscow Time for most of the year, and 10 hours behind for part of it, because the two change their clocks on different dates (or only one of them changes at all).
Does the MSK to MST difference change?
Yes. It changes 2 times in 2026 because of daylight saving time.
About these time zones
MSK to MST, hour by hour
| Moscow Time | Mountain Time |
|---|---|
| 12 AM | 3 PM (previous day) |
| 1 AM | 4 PM (previous day) |
| 2 AM | 5 PM (previous day) |
| 3 AM | 6 PM (previous day) |
| 4 AM | 7 PM (previous day) |
| 5 AM | 8 PM (previous day) |
| 6 AM | 9 PM (previous day) |
| 7 AM | 10 PM (previous day) |
| 8 AM | 11 PM (previous day) |
| 9 AM | 12 AM |
| 10 AM | 1 AM |
| 11 AM | 2 AM |
| 12 PM | 3 AM |
| 1 PM | 4 AM |
| 2 PM | 5 AM |
| 3 PM | 6 AM |
| 4 PM | 7 AM |
| 5 PM | 8 AM |
| 6 PM | 9 AM |
| 7 PM | 10 AM |
| 8 PM | 11 AM |
| 9 PM | 12 PM |
| 10 PM | 1 PM |
| 11 PM | 2 PM |
Based on the clocks on Monday, October 12, 2026. Use the converter above for another date.