「Mountain Daylight Time」 is 6 hours ahead of 「Greenwich Mean Time Zone」

Mountain Daylight Time and Greenwich Mean Time Zone time comparison table

Mountain Daylight Time

Mountain Daylight Time is six hours behind the Coordinated Universal Time standard, written as an offset of UTC - 6:00. That means to find the standard time in the zone you must subtract six hours from Coordinated Universal Time.

Greenwich Mean Time Zone

Greenwich Mean Time is the same as Coordinated Universal Time standard, written as an offset of UTC +/- 00:00. That means to find the standard time in the zone you only need to refer to Coordinated Universal Time.