MST Time Now

The current Mountain Standard Time (MST) time is . Mountain Standard Time covers the Rocky Mountain region of the US and Canada. It is 7 hours behind UTC, and most places that observe daylight saving switch to MDT (UTC-6) in summer.

Current time
UTC offset UTC-06:00
Abbreviation MDT
Daylight saving In force now
Next clock change November 1, 2026 — clocks go back 1 hour

Major cities in this zone

  • Denver
  • Salt Lake City
  • Albuquerque
  • Boise
  • Calgary
  • Edmonton

Convert MST to other zones

Open the time zone converter with MST pre-selected, or see the world clock for live times everywhere.

Frequently asked questions

What is Mountain Time right now?

The live clock above shows current Mountain Time. From March to November most of the zone is on MDT (UTC-6); in winter it is MST (UTC-7).

Do Denver and Phoenix keep the same time?

Not in summer. Denver observes daylight saving (MDT, UTC-6) while Phoenix, Arizona stays on MST (UTC-7) year-round — so they match in winter but differ by an hour in summer.

What is the difference between MST and MDT?

MST is Mountain Standard Time (UTC-7), the winter setting. MDT is Mountain Daylight Time (UTC-6), used from the second Sunday of March to the first Sunday of November in places that observe it.

Which states use Mountain Time?

The Mountain zone includes Colorado, Utah, New Mexico, Wyoming, Montana, Idaho (southern part), and parts of several other states, plus Alberta in Canada.