Abbreviation / Name
MST - Mountain Standard Time
MDT - Mountain Daylight Time
UTC / GMT Offset
-7:00 hours during Mountain Standard Time, currently in use.
-6:00 hours during Mountain Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
October 28 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
April 7 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.
Ignacio Zaragoza Facts
28° 23' N Latitude / 107° 13' W Longitude
International Dialing Code