Mountain Standard Time (MST) is 7 hours behind Coordinated Universal Time (UTC). This time zone is in use during standard time in: North America. This time zone is often called Mountain Time Zone. Summer Time & DST. Some places observe daylight saving time/summer time during the summer, and therefore use MDT (Mountain Daylight Time) in the summer.When is Mountain Standard Time?
Currently, 'United States Mountain Standard Time' (MST) is the standard time within Colorado, except during the period of daylight saving time (i.e., the second Sunday in March to the first Sunday in November) when time is advanced one hour. The bill exempts the state from observing daylight saving time, making MST the standard time year-round.Does Mountain Time have daylight savings?
Daylight saving time occurs from early April to late October. During daylight saving, Central Time Zone is only 6 hours behind Coordinated Universal Time (UTC-6). Most of the locations in Mountain Time Zone observe daylight saving time.