GMT to MST Time Converter
Compare GMT and MST instantly. The clocks below stay in sync with the IANA time-zone database, so daylight-saving transitions are handled automatically for both GMT and Denver.
24-Hour Comparison Timeline
Green = working hours · Yellow = early/late · Red = night
24-hour reference table
| GMT (GMT) | MST (Denver) |
|---|---|
| 12:00 AM | 06:00 PM(Fri, Jul 24) |
| 01:00 AM | 07:00 PM(Fri, Jul 24) |
| 02:00 AM | 08:00 PM(Fri, Jul 24) |
| 03:00 AM | 09:00 PM(Fri, Jul 24) |
| 04:00 AM | 10:00 PM(Fri, Jul 24) |
| 05:00 AM | 11:00 PM(Fri, Jul 24) |
| 06:00 AM | 12:00 AM |
| 07:00 AM | 01:00 AM |
| 08:00 AM | 02:00 AM |
| 09:00 AM | 03:00 AM |
| 10:00 AM | 04:00 AM |
| 11:00 AM | 05:00 AM |
| 12:00 PM | 06:00 AM |
| 01:00 PM | 07:00 AM |
| 02:00 PM | 08:00 AM |
| 03:00 PM | 09:00 AM |
| 04:00 PM | 10:00 AM |
| 05:00 PM | 11:00 AM |
| 06:00 PM | 12:00 PM |
| 07:00 PM | 01:00 PM |
| 08:00 PM | 02:00 PM |
| 09:00 PM | 03:00 PM |
| 10:00 PM | 04:00 PM |
| 11:00 PM | 05:00 PM |
Daylight saving time
Denver observes daylight saving time; GMT does not. Expect a one-hour swing when Denver starts or ends DST.
Working-hours overlap
3 PM–5 PM GMT (9 AM–11 AM MST) — the shared 9-to-5 window for meetings.
Frequently asked questions
What is the time difference between GMT and MST?+
MST (UTC-06:00) is currently 6 hours behind GMT (UTC+00:00). This page recalculates the offset live from the IANA time-zone database, including any daylight-saving transitions.
Does GMT or MST observe daylight saving time?+
Denver observes daylight saving time; GMT does not, so the gap changes when Denver springs forward or falls back. Times on this page always reflect the current local rules.
What are the best meeting hours between GMT and Denver?+
Standard 9–5 working hours in GMT and Denver overlap from 3 PM to 5 PM GMT (9 AM–11 AM MST). Schedule calls inside this window to keep both sides in normal business hours.
How do I quickly convert GMT to MST?+
Use the live clocks and 24-hour reference table above. Pick any hour on the GMT row to see the matching MST time. The Event Planner also lets you pick a specific date and share it with attendees.