Abbreviation / Name
MDT - Mountain Daylight Time
MST - Mountain Standard Time
UTC / GMT Offset
-6:00 hours during Mountain Daylight Time, currently in use.
-7:00 hours during Mountain Standard Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
November 4 at 1:00 AM local time. DST starts annually on the same date and time.. Clocks are turned 1 hour forward. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
March 10 at 1:59 AM local time. DST ends annually on the same date and time.. Clocks are turned 1 hour backward. Also called Fall Back or switch to Winter Time.
53° 50' N Latitude / 113° 20' W Longitude
International Dialing Code