MST: Mountain Time
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MST: Mountain Time
MST stands for Mountain Time, used in United States and Canada. The regional clock runs UTC-7 (MST) on January 15 and UTC-6 (MDT) on July 15, 2026. Check the dated clock changes below for other times of year.
Current MST time
Local times come from your browser's IANA time zone data.
MST time compared with UTC
MST runs UTC-7 in January and UTC-6 in July. When it is 12:00 UTC the clock in MST reads 05:00 in January and 06:00 in July.
These examples use January 15 and July 15, 2026. Where clocks change, other dates can use a different offset. Use the live converter for your exact date.
| UTC | MST in January | MST in July |
|---|---|---|
| 00:00 | 17:00 previous day | 18:00 previous day |
| 03:00 | 20:00 previous day | 21:00 previous day |
| 06:00 | 23:00 previous day | 00:00 |
| 09:00 | 02:00 | 03:00 |
| 12:00 | 05:00 | 06:00 |
| 15:00 | 08:00 | 09:00 |
| 18:00 | 11:00 | 12:00 |
| 21:00 | 14:00 | 15:00 |
When the clocks change in the MST zone
These are the recorded clock changes for the MST zone in 2026 and 2027. Each row gives the date, the reading the clock shows as it changes, and what it jumps to.
| Date | Change | Clocks | New offset |
|---|---|---|---|
| Sunday, March 8, 2026 | Forward 1 hour | 02:00 to 03:00 | UTC-6 |
| Sunday, November 1, 2026 | Back 1 hour | 02:00 to 01:00 | UTC-7 |
| Sunday, March 14, 2027 | Forward 1 hour | 02:00 to 03:00 | UTC-6 |
| Sunday, November 7, 2027 | Back 1 hour | 02:00 to 01:00 | UTC-7 |
Computed from the IANA time zone database, the same source your operating system uses. Dates in future years follow the rules in force today; daylight saving law is set by governments and does change, sometimes at a few months' notice.
Cities that keep MST
These places run on MST: Mountain Time, the IANA zone behind MST. Each links to its own live clock.
Convert MST to another zone
MST to PSTMST to CSTMST to ESTMST to HSTMST to GMTMST to UTCMST to BSTMST to CET
Common questions about MST
What does MST stand for?
MST is Mountain Time, the civil time used in United States and Canada. On this site it resolves to the IANA time zone MST: Mountain Time, which is what your operating system and browser use to work out the actual offset on any given date.
What is MST in UTC?
The regional clock behind MST is UTC-7 on January 15 and UTC-6 on July 15, 2026. The table above shows UTC conversions for those dates.