What is MST?
The fixed standard-time offset used in parts of North America.
- Full name
- Mountain Standard Time
- Abbreviation
- MST
- Definition type
- Fixed UTC offset
- Offset in minutes
- -420 minutes
Mountain Standard Time
View the current local time, active UTC offset, regions and daylight-saving behavior for Mountain Standard Time.
Live local time
MST · Mountain Standard Time
The fixed standard-time offset used in parts of North America.
This definition is associated with the following countries or regions:
Daylight-saving behavior
Mountain Standard Time is represented as a fixed offset and does not automatically change for daylight-saving time.
Convert MST to other popular time-zone definitions and fixed offsets.
Common questions about Mountain Standard Time, its UTC offset, regions and daylight-saving behavior.
MST stands for Mountain Standard Time. The fixed standard-time offset used in parts of North America.
The active offset for MST on this date is UTC-07:00.
Mountain Standard Time is represented on TimeInOne as a fixed offset and does not automatically switch for daylight-saving time.
MST is associated with United States, Canada, Mexico. Time-zone abbreviations can sometimes be ambiguous, so TimeInOne uses the definition displayed on this page.
MST is defined as a fixed offset of UTC-07:00. Its offset does not change automatically according to the date.