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MST – Mountain Standard Time / Mountain Time (Standard Time)

Time Zone names, codes and abbreviations for Standard Time and Daylight Saving Time (DST) around the world.

Also known as: MT – Mountain Time, NAMST – North American Mountain Standard Time

Caution: This is NOT the current local time in most locations in that time zone

North America: Only some locations are currently on MST because most places in this time zone are currently on summer time / daylight saving time and are observing MDT.

Time zone map of MST
Currently observing MST.
Observes MST part of the year.
Areas with same time currently (UTC -7).
Currently observing MST – Mountain Standard Time.
Observes MST – Mountain Standard Time part of the year, but not currently.
Currently has same time zone offset as MST (UTC -7) but different time zone name.

Mountain Standard Time (MST) is 7 hours behind Coordinated Universal Time (UTC). This time zone is in use during standard time in: North America.

This time zone is often called Mountain Time Zone.

See full time zone map

Summer Time & DST

Some places observe daylight saving time/summer time during the summer, and therefore use MDT (Mountain Daylight Time) in the summer.

Where and When is MST Observed?

North America

U.S. states using MST in the winter and MDT in the summer:

Canadian provinces/territories using MST in the winter and MDT in the summer:

Mexican states using MST in the winter and MDT in the summer:

Mexican states using MST all year:

U.S. states using MST all year:

Canadian provinces/territories using MST all year:

Other Time Zones in UTC -7

Some time zones exist that have the same offset as MST, but can be found under a different name: