MST to GMT Converter
GMT is 7 hours ahead of MST. 9:00 AM MST = 4:00 PM GMT.
GMT is 7 hours ahead of MST at the moment. To convert MST to GMT, add 7 hours to the MST time: 9:00 AM MST = 4:00 PM GMT.
MST (Mountain Time) is used in Denver, Salt Lake City, Albuquerque, Calgary, Edmonton; Phoenix (Arizona) all year. GMT (GMT) is used in Same offset as UTC. The UK and Ireland use GMT in winter; Iceland, Ghana and Senegal all year.
Most of Arizona uses MST all year and does not switch to MDT. The UK is on GMT only in winter; in summer it uses BST (UTC+1).
MST to GMT time conversion table
MST to GMT on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| MST | GMT | Day |
|---|---|---|
| 12:00 AM MST | 7:00 AM GMT | — |
| 1:00 AM MST | 8:00 AM GMT | — |
| 2:00 AM MST | 9:00 AM GMT | — |
| 3:00 AM MST | 10:00 AM GMT | — |
| 4:00 AM MST | 11:00 AM GMT | — |
| 5:00 AM MST | 12:00 PM GMT | — |
| 6:00 AM MST | 1:00 PM GMT | — |
| 7:00 AM MST | 2:00 PM GMT | — |
| 8:00 AM MST | 3:00 PM GMT | — |
| 9:00 AM MST | 4:00 PM GMT | work hours |
| 10:00 AM MST | 5:00 PM GMT | — |
| 11:00 AM MST | 6:00 PM GMT | — |
| 12:00 PM MST | 7:00 PM GMT | — |
| 1:00 PM MST | 8:00 PM GMT | — |
| 2:00 PM MST | 9:00 PM GMT | — |
| 3:00 PM MST | 10:00 PM GMT | night |
| 4:00 PM MST | 11:00 PM GMT | night |
| 5:00 PM MST | 12:00 AM GMT | next day |
| 6:00 PM MST | 1:00 AM GMT | next day |
| 7:00 PM MST | 2:00 AM GMT | next day |
| 8:00 PM MST | 3:00 AM GMT | next day |
| 9:00 PM MST | 4:00 AM GMT | next day |
| 10:00 PM MST | 5:00 AM GMT | next day |
| 11:00 PM MST | 6:00 AM GMT | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert MST to GMT
Add 7 hours to the MST time to get GMT.
Example: 9:00 AM MST = 4:00 PM GMT.
Across midnight: 10:00 PM MST = 5:00 AM GMT (next day). The date changes, so always check the day as well as the hour.
Time difference between MST and GMT
The time difference between MST and GMT is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 31 Dec 2025 – 7 Mar 2026: GMT is 7 hours ahead of MST.
- 8 Mar 2026 – 31 Oct 2026: GMT is 6 hours ahead of MST.
- 1 Nov 2026 – 30 Dec 2026: GMT is 7 hours ahead of MST.
MST and GMT during daylight saving time
- MST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from MST (UTC−7) to MDT (UTC−6).
- GMT does not observe daylight saving time; it stays on UTC+0 all year.
Best time for a meeting between MST and GMT
MST and GMT share 1 hour of the 9 AM–5 PM working day. Any time between 9:00 AM and 10:00 AM MST lands between 4:00 PM and 5:00 PM GMT, inside working hours for both.
MST to GMT FAQ
What is the time difference between MST and GMT?
Right now GMT is 7 hours ahead of MST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM MST in GMT?
9:00 AM MST is 4:00 PM GMT.
What is 12 PM (noon) MST in GMT?
12:00 PM MST is 7:00 PM GMT.
Is GMT ahead of or behind MST?
GMT is 7 hours ahead of MST, so it is later in GMT than in MST.
Does MST change for daylight saving time?
Yes. MST next changes on 14 Mar 2027, when clocks go forward one hour from MST to MDT.
Does GMT change for daylight saving time?
No. GMT stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between MST and GMT?
MST and GMT share 1 hour of the 9 AM–5 PM working day. Any time between 9:00 AM and 10:00 AM MST lands between 4:00 PM and 5:00 PM GMT, inside working hours for both.
Is MT the same as MST?
MST is the winter (standard) name of Mountain Time (MT). From March to November the same clocks are called MDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert GMT to MST
Convert MST to other time zones
Convert other time zones to GMT
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.