MST to GMT Time Converter

Mountain Standard Time → Greenwich Mean Time

MST

UTC-7

Mountain Standard Time

offset
+7h
GMT is 7h ahead

GMT

UTC+0

Greenwich Mean Time

Both MST and GMT observe DST — offset may shift ±1h during transitions

Mountain Standard Time (MST) is 7 hours ahead Greenwich Mean Time (GMT). When it is noon in MST, it is 6 PM in GMT. This offset may change during Daylight Saving Time transitions.

Best Meeting Times — MST & GMT

Recommended windows where both MST and GMT participants are within working hours (8 AM–6 PM).

MSTGMTRatingDetail page
8 AM
2 PM
Best
9 AM
3 PM
Best
10 AM
4 PM
Best
11 AM
5 PM
Best
12 PM
6 PM
Best

Tip: When scheduling between MST and GMT, aim for the “Best” windows above. These times keep both parties within normal working hours, avoiding early-morning or late-evening fatigue. Note that both time zones observe Daylight Saving Time — the offset may shift ±1 hour around transition dates.

Frequently Asked Questions — MST to GMT

Mountain Standard Time (MST) is 7 hours ahead of Greenwich Mean Time (GMT). MST is UTC-7 and GMT is UTC+0. This offset may shift by ±1 hour during Daylight Saving Time transitions.