GMT to MST Converter

MST is 7h 0m behind GMT. When it's 12:00 PM GMT, it's 5:00 AM MST.

From

GMT · UTC

4:09:48AM

Greenwich Mean Time

e.g. London

To

MST · UTC-7

9:09:48PM

Mountain Standard Time

e.g. Denver, Phoenix

9:00 AM GMT=2:00 AM MST
12:00 PM GMT=5:00 AM MST
5:00 PM GMT=10:00 AM MST

Hourly conversion (GMTMST)

GMTMST
12:00 AM5:00 PM(−1 day)
1:00 AM6:00 PM(−1 day)
2:00 AM7:00 PM(−1 day)
3:00 AM8:00 PM(−1 day)
4:00 AM9:00 PM(−1 day)
5:00 AM10:00 PM(−1 day)
6:00 AM11:00 PM(−1 day)
7:00 AM12:00 AM
8:00 AM1:00 AM
9:00 AM2:00 AM
10:00 AM3:00 AM
11:00 AM4:00 AM
12:00 PM5:00 AM
1:00 PM6:00 AM
2:00 PM7:00 AM
3:00 PM8:00 AM
4:00 PM9:00 AM
5:00 PM10:00 AM
6:00 PM11:00 AM
7:00 PM12:00 PM
8:00 PM1:00 PM
9:00 PM2:00 PM
10:00 PM3:00 PM
11:00 PM4:00 PM

Shaded rows are within standard working hours (8am–6pm) on both sides.

GMT (UTC+0) equals UTC. The UK uses BST (UTC+1) in summer.

MST (UTC−7) is the standard-time offset; most of the US Mountain region uses MDT (UTC−6) in summer.

More GMT conversions

Frequently asked questions

What is the time difference between GMT and MST?
MST is 7h 0m behind GMT. GMT is UTC and MST is UTC-7.
What is 12:00 PM GMT in MST?
12:00 PM GMT is 5:00 AM MST.
Does GMT change for daylight saving time?
GMT (UTC+0) equals UTC. The UK uses BST (UTC+1) in summer.