MST to GMT converter
GMT is usually 6 h ahead of MST. It is 7 h ahead of MST 1 Jan–8 Mar and 1 Nov–31 Dec 2026, because of daylight saving time.
MST to GMT table
For 5 July 2026, when GMT is 6 h ahead of MST. Other dates: see the table on the right.
| MST | GMT |
|---|---|
| 12:00 AM | 6:00 AM |
| 1:00 AM | 7:00 AM |
| 2:00 AM | 8:00 AM |
| 3:00 AM | 9:00 AM |
| 4:00 AM | 10:00 AM |
| 5:00 AM | 11:00 AM |
| 6:00 AM | 12:00 PM |
| 7:00 AM | 1:00 PM |
| 8:00 AM | 2:00 PM |
| 9:00 AM | 3:00 PM |
| 10:00 AM | 4:00 PM |
| 11:00 AM | 5:00 PM |
| 12:00 PM | 6:00 PM |
| 1:00 PM | 7:00 PM |
| 2:00 PM | 8:00 PM |
| 3:00 PM | 9:00 PM |
| 4:00 PM | 10:00 PM |
| 5:00 PM | 11:00 PM |
| 6:00 PM | 12:00 AM next day |
| 7:00 PM | 1:00 AM next day |
| 8:00 PM | 2:00 AM next day |
| 9:00 PM | 3:00 AM next day |
| 10:00 PM | 4:00 AM next day |
| 11:00 PM | 5:00 AM next day |
When the difference changes
Computed from the IANA tz database (release 2026c). Governments can change these rules; the live converter uses your browser’s own copy of the database.
| 2026: from (UTC) | until (UTC) | GMT vs MST |
|---|---|---|
| 1 January 2026 | 8 March 2026 | 7 h ahead of |
| 8 March 2026 | 1 November 2026 | 6 h ahead of |
| 1 November 2026 | 31 December 2026 | 7 h ahead of |
| 2027: from (UTC) | until (UTC) | GMT vs MST |
|---|---|---|
| 1 January 2027 | 14 March 2027 | 7 h ahead of |
| 14 March 2027 | 7 November 2027 | 6 h ahead of |
| 7 November 2027 | 31 December 2027 | 7 h ahead of |
MST: Mountain Time · MST time now
Arizona (America/Phoenix) stays on MST all year, so for part of the year it matches Pacific Time instead of Denver.
GMT: Greenwich Mean Time · GMT time now
GMT here means the fixed UTC+0 offset. The UK only uses GMT in winter; in summer London is on BST (UTC+1).
Related converters
Questions
What is the time difference between MST and GMT?
GMT is usually 6 h ahead of MST. It is 7 h ahead of MST 1 Jan–8 Mar and 1 Nov–31 Dec 2026, because of daylight saving time.
What is 9 am MST in GMT?
9:00 am MST is 3:00 PM GMT, on dates when the usual difference applies. Use the converter above for any specific date.
Which MST does this page use?
Arizona (America/Phoenix) stays on MST all year, so for part of the year it matches Pacific Time instead of Denver.
Which GMT does this page use?
GMT here means the fixed UTC+0 offset. The UK only uses GMT in winter; in summer London is on BST (UTC+1).