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What is GMT

Mountain Time (MDT/MST)

Currwnt time in the Mountain Time Zone and other USA time zones

Daylight Saving Time (DST) rules and GMT/UTC offset

Check the mini-clocks below for current Pacific, Central and Eastern Time.

Other US Time Zones

Convert Mountain to Local

GMT Time converter, compare Local and Mountain. Enter your location or any placename for more comparisons.

US Cities in the Mountain Time Zone

Phoenix (Arizona) , El Paso (Texas) , Denver (Colorado) , Boise (Idaho) , Salt Lake City (Utah) . Phoenix does not observe DST rules .

After the equinox, the Solstice . Set up a Countdown to Winter (or Summer in the Southern Hemisphere) !

Current daylight saving dates for USA

USA & Canada clocks are now on:

DAYLIGHT SAVING TIME

  • Daylight Saving Time began: Sunday 11 March 2018  02:00 local time. Clocks went forward one hour.
  • Daylight Saving Time ends: Sunday 4 November 2018 02:00 local time. Clocks go back one hour.

USA and Canada past and future DST schedules here

Daylight Saving 2018

In Summer: Mountain Daylight Time ( MDT )

Mountain Standard Time ( MST ) = GMT-7 Mountain Daylight Time ( MDT ) = GMT-6

What is the Mountain Time Zone?

The Mountain Timezone is an area 7 hours behind Greenwich Mean Time ( GMT-7 ) during the winter months (referred to as MST) and 6 hours behind Greenwich Mean Time ( GMT-6 ) during the summer months (referred to as MDT).

Do clocks in the Mountain Time Zone observe Daylight Saving Time?

In most states in the USA and in most provinces in Canada, Daylight-Saving Time ( DST ) is observed. During DST the time is shifted forward by 1 hour to Mountain Daylight Time (MDT); which is 6 hours behind Greenwich Mean Time ( GMT-6 ).

After the Summer months Mountain Time is shifted back by 1 hour to US Mountain Standard Time (MST) or (GMT-7).

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