Mountain time

views updated

Moun·tain time the standard time in a zone including parts of the US and Canada in or near the Rocky Mountains, specifically: ∎  (Mountain Standard Time abbrev.: MST) standard time based on the mean solar time at the meridian 105° W., seven hours behind GMT. ∎  (Mountain Daylight Time abbrev.: MDT) Mountain time during daylight saving time, eight hours behind GMT.

More From encyclopedia.com

About this article

Mountain time

Updated About encyclopedia.com content Print Article

You Might Also Like