MST to GMT Converter
GMT is 6 hours ahead of MST for most of the year. The gap changes for a few weeks a year because the two places switch to daylight saving time on different dates.
GMT to MST insteadTime difference between MST and GMT
GMT is 6 hours ahead of MST for most of the year.
- 2026: GMT is 7 hours ahead of MST from Jan 1 – Mar 7, 2026, Nov 1 – Dec 31, 2026.
- 2027: GMT is 7 hours ahead of MST from Jan 1 – Mar 13, 2027, Nov 7 – Dec 31, 2027.
MST to GMT conversion table
| MST | GMTMost of the year | GMTJan 1 – Mar 7, 2026, Nov 1 – Dec 31, 2026 |
|---|---|---|
| 12 AM | 6 AM | 7 AM |
| 1 AM | 7 AM | 8 AM |
| 2 AM | 8 AM | 9 AM |
| 3 AM | 9 AM | 10 AM |
| 4 AM | 10 AM | 11 AM |
| 5 AM | 11 AM | 12 PM |
| 6 AM | 12 PM | 1 PM |
| 7 AM | 1 PM | 2 PM |
| 8 AM | 2 PM | 3 PM |
| 9 AM | 3 PM | 4 PM |
| 10 AM | 4 PM | 5 PM |
| 11 AM | 5 PM | 6 PM |
| 12 PM | 6 PM | 7 PM |
| 1 PM | 7 PM | 8 PM |
| 2 PM | 8 PM | 9 PM |
| 3 PM | 9 PM | 10 PM |
| 4 PM | 10 PM | 11 PM |
| 5 PM | 11 PM | 12 AM+1 day |
| 6 PM | 12 AM+1 day | 1 AM+1 day |
| 7 PM | 1 AM+1 day | 2 AM+1 day |
| 8 PM | 2 AM+1 day | 3 AM+1 day |
| 9 PM | 3 AM+1 day | 4 AM+1 day |
| 10 PM | 4 AM+1 day | 5 AM+1 day |
| 11 PM | 5 AM+1 day | 6 AM+1 day |
Best time to meet
Working hours (9 AM – 5 PM) overlap for 2 hours: 9 AM – 11 AM MST (3 PM – 5 PM GMT). That window is the best time for calls and meetings.
Frequently asked questions
What time is it in GMT when it's 9 AM in MST?
3 PM for most of the year. GMT is 6 hours ahead of MST.
How many hours is GMT ahead of MST?
Usually 6 hours. The gap changes for a few weeks a year because daylight saving time starts and ends on different dates: 2026: GMT is 7 hours ahead of MST from Jan 1 – Mar 7, 2026, Nov 1 – Dec 31, 2026. 2027: GMT is 7 hours ahead of MST from Jan 1 – Mar 13, 2027, Nov 7 – Dec 31, 2027.
Does MST use daylight saving time?
Yes. Mountain Time is UTC−7 (MST) in January and UTC−6 (MDT) in July. Mar 8, 2026: clocks go forward to UTC−6; Nov 1, 2026: clocks go back to UTC−7.
Does GMT use daylight saving time?
No. Greenwich Mean Time stays at UTC+0 all year.
When is the best time to schedule a meeting between MST and GMT?
Working hours (9 AM – 5 PM) overlap for 2 hours: 9 AM – 11 AM MST (3 PM – 5 PM GMT). That window is the best time for calls and meetings.