MST to GMT Converter and Time Difference
GMT is 7 hours ahead of MST.
Best meeting time
Everyone is in working hours from 9:00 AM to 10:00 AM (Denver time).
Working hours are 9 AM to 5 PM in each city. Times are for Thursday, 5 November 2026.
MST 6 AM to 10 PM in GMT
Each row is a time in Mountain Time (MST/MDT) and the matching time in Greenwich Mean Time.
| MST | GMT | Day | Fit |
|---|---|---|---|
| 6:00 AM | 1:00 PM | Same day | Outside working hours |
| 7:00 AM | 2:00 PM | Same day | Early or late for one city |
| 8:00 AM | 3:00 PM | Same day | Early or late for one city |
| 9:00 AM | 4:00 PM | Same day | Both in working hours |
| 10:00 AM | 5:00 PM | Same day | Early or late for one city |
| 11:00 AM | 6:00 PM | Same day | Early or late for one city |
| 12:00 PM | 7:00 PM | Same day | Early or late for one city |
| 1:00 PM | 8:00 PM | Same day | Early or late for one city |
| 2:00 PM | 9:00 PM | Same day | Outside working hours |
| 3:00 PM | 10:00 PM | Same day | Outside working hours |
| 4:00 PM | 11:00 PM | Same day | Outside working hours |
| 5:00 PM | 12:00 AM | +1 | Outside working hours |
| 6:00 PM | 1:00 AM | +1 | Outside working hours |
| 7:00 PM | 2:00 AM | +1 | Outside working hours |
| 8:00 PM | 3:00 AM | +1 | Outside working hours |
| 9:00 PM | 4:00 AM | +1 | Outside working hours |
| 10:00 PM | 5:00 AM | +1 | Outside working hours |
Each row is a time in Mountain Time (MST/MDT) and the matching time in Greenwich Mean Time.
GMT 6 AM to 10 PM in MST
The same comparison in the other direction: each row is a time in Greenwich Mean Time and the matching time in Mountain Time (MST/MDT).
| GMT | MST | Day | Fit |
|---|---|---|---|
| 6:00 AM | 11:00 PM | -1 | Outside working hours |
| 7:00 AM | 12:00 AM | Same day | Outside working hours |
| 8:00 AM | 1:00 AM | Same day | Outside working hours |
| 9:00 AM | 2:00 AM | Same day | Outside working hours |
| 10:00 AM | 3:00 AM | Same day | Outside working hours |
| 11:00 AM | 4:00 AM | Same day | Outside working hours |
| 12:00 PM | 5:00 AM | Same day | Outside working hours |
| 1:00 PM | 6:00 AM | Same day | Outside working hours |
| 2:00 PM | 7:00 AM | Same day | Early or late for one city |
| 3:00 PM | 8:00 AM | Same day | Early or late for one city |
| 4:00 PM | 9:00 AM | Same day | Both in working hours |
| 5:00 PM | 10:00 AM | Same day | Early or late for one city |
| 6:00 PM | 11:00 AM | Same day | Early or late for one city |
| 7:00 PM | 12:00 PM | Same day | Early or late for one city |
| 8:00 PM | 1:00 PM | Same day | Early or late for one city |
| 9:00 PM | 2:00 PM | Same day | Outside working hours |
| 10:00 PM | 3:00 PM | Same day | Outside working hours |
Each row is a time in Greenwich Mean Time and the matching time in Mountain Time (MST/MDT).
Daylight saving and this time difference
Only MST uses daylight saving time, so the gap changes twice a year when its clocks move.
UTC offsets right now: MST is UTCUTC-7, and GMT is UTCUTC on Thursday, 5 November 2026. Check the date of your meeting in the planner, since the gap can change for a few weeks each year.
To compare more than two cities, open the meeting planner. To see the gap between any two cities, try the time difference calculator.
Related conversions
Frequently asked questions
What is the time difference between MST and GMT?
GMT is 7 hours ahead of MST. The comparison uses Thursday, 5 November 2026, so the result is correct for that date.
When is the best time for a meeting between MST and GMT?
Everyone is in working hours from 9:00 AM to 10:00 AM (Denver time).
Does the time difference between MST and GMT change with daylight saving?
Only MST uses daylight saving time, so the gap changes twice a year when its clocks move.