North American time zones:

MDT – Mountain Daylight Time

Current time in Edmonton

Saturday, September 20, 2014 at 1:03:34 AM MDT

Edmonton will stay on MDT until Sunday, November 2, 2014 at 2:00 AM
when clocks are moved to Sunday, November 2, 2014 at 01:00:00MST

Find local time and time zone for a location

We recommend looking up by location name, not time zone name.

Time zone offset: UTC - 6 hours

MDT is 6 hours behind of Coordinated Universal Time (UTC)

Note that MDT is a daylight saving time/summer time zone. It is generally only used during the summer in the places listed below, during the winter MST is used instead

Time zone abbreviations: MDT, HAR

Full name is Mountain Daylight Time
HAR – Heure Avancée des Rocheuses (French)

Email time zone indicator: -0600

An email sent from someone in the MDT time zone will have the time zone listed as "-0600" in the headers of the email. (However, "-0600" does not have to be in MDT, as other time zones could have the same UTC offset).

For actual dates DST might be observed, look at the examples below
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Where and when is MDT observed?

US states using MDT in the summer and MST during the winter

Canadian provinces using MDT in the summer and MST during the winter

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

Time zone maps are under development and will be available later

Example location in MDT

Other time zones in North America

Go directly through the links below, or see the North America time zone list

Time zones in other regions

Related links