Mountain Daylight Time -- from Eric Weisstein's World of Astronomy

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Time Standards

Mountain Daylight Time

The U.S. daylight saving time zone that is 6 hours earlier than universal time.

The following table gives the conversions between universal time (UT) and standard and daylight saving time in the United States.

standard time zone	hours to add to UT	daylight saving time zone	hours to add to UT
Eastern standard time (EST)	-5	Eastern daylight time (EDT)	-4
Central standard time (CST)	-6	Central daylight time (CDT)	-5
Mountain standard time (MST)	-7	Mountain daylight time (MDT)	-6
Pacific standard time (PST)	-8	Pacific daylight time (PDT)	-7

Daylight Saving Time, Mountain Standard Time, Time Zone, Universal Time

© 1996-2007 Eric W. Weisstein