Mountain Time is the Mountain Time Zone of the United
States of America (USA). Mountain Standard Time (MST) is 7 hours behind Greenwich
Mean Time (GMT-7).
Does Mountain Time observe Daylight Saving Time?
In most states in the USA and in most provinces in Canada,
Daylight-Saving
Time (DST) is observed. During DST is 6 hours behind
Greenwich Mean Time (GMT-6).
After the Summer months Mountain Time is shifted
back by 1 hour to US Mountain Standard Time (MST) or (GMT-7).