MST to GMT time difference
GMT is 6 hours ahead of MST right now. The difference changes between 7 hours and 6 hours during the year because of daylight saving time.
Quick examples: 9:00 AM MST = 3:00 PM GMT · 12:00 PM MST = 6:00 PM GMT · 5:00 PM MST = 11:00 PM GMT
MST to GMT conversion table
| Mountain Time (MST) | Greenwich Mean Time (GMT) |
|---|---|
| 12:00 AM MST | 6:00 AM GMT |
| 1:00 AM MST | 7:00 AM GMT |
| 2:00 AM MST | 8:00 AM GMT |
| 3:00 AM MST | 9:00 AM GMT |
| 4:00 AM MST | 10:00 AM GMT |
| 5:00 AM MST | 11:00 AM GMT |
| 6:00 AM MST | 12:00 PM GMT |
| 7:00 AM MST | 1:00 PM GMT |
| 8:00 AM MST | 2:00 PM GMT |
| 9:00 AM MST | 3:00 PM GMT |
| 10:00 AM MST | 4:00 PM GMT |
| 11:00 AM MST | 5:00 PM GMT |
| 12:00 PM MST | 6:00 PM GMT |
| 1:00 PM MST | 7:00 PM GMT |
| 2:00 PM MST | 8:00 PM GMT |
| 3:00 PM MST | 9:00 PM GMT |
| 4:00 PM MST | 10:00 PM GMT |
| 5:00 PM MST | 11:00 PM GMT |
| 6:00 PM MST | 12:00 AM GMT (next day) |
| 7:00 PM MST | 1:00 AM GMT (next day) |
| 8:00 PM MST | 2:00 AM GMT (next day) |
| 9:00 PM MST | 3:00 AM GMT (next day) |
| 10:00 PM MST | 4:00 AM GMT (next day) |
| 11:00 PM MST | 5:00 AM GMT (next day) |
How to convert MST to GMT
- Pick a date and time in Mountain Time.
- The matching Greenwich Mean Time time appears instantly on the right.
- Use the ⇄ button to convert GMT to MST instead.
About Mountain Time and Greenwich Mean Time
Mountain Time (MST) is used in Denver, Salt Lake City and Calgary. Greenwich Mean Time (GMT) is used in the Greenwich meridian (London in winter, Iceland, and West Africa).
Related time zone converters
Frequently asked questions
What is the time difference between MST and GMT?
GMT is 6 hours ahead of MST right now. The difference changes between 7 hours and 6 hours during the year because of daylight saving time.
How do I convert MST to GMT?
Add 6 hours to the MST time. For example, 12:00 PM MST is 6:00 PM GMT.
Where is MST used?
Mountain Time is used in Denver, Salt Lake City and Calgary.
Where is GMT used?
Greenwich Mean Time is used in the Greenwich meridian (London in winter, Iceland, and West Africa).
Does this converter handle daylight saving time?
Yes. The converter uses the official time zone database, so it automatically applies daylight saving time for the date you pick.