UTC to MST: UTC is 6 hours ahead of MST
Coordinated Universal Time is 6 hours ahead of Mountain Time right now. It is 9:03 pm UTC in UTC and 3:03 pm MDT in Mountain.
Convert a specific time from UTC to MST
Pick any time and date to convert it both ways. The conversion runs in your browser against the real zone rules, so a date inside a daylight saving period gets that period's offset rather than today's.
What is the time difference between UTC and MST?
Mountain Time is 6 hours behind Coordinated Universal Time. To go from UTC to MST you subtract 6 hours. That gap is not fixed. Across 2026 the distance between these two zones takes 2 different values, from 6 hours to 7 hours, because Mountain moves its clocks and UTC does not. This page recomputes it rather than assuming.
UTC to MST conversion table
Every hour of Thursday, September 24, 2026 in UTC, with the matching reading in Mountain. 6 of the 24 hours land on a different calendar date in Mountain, which is the part people get wrong when they schedule across this pair.
| UTC | UTC 24h | MST | MST 24h | Date |
|---|---|---|---|---|
| 12:00 am | 00:00 | 6:00 pm | 18:00 | the previous day |
| 1:00 am | 01:00 | 7:00 pm | 19:00 | the previous day |
| 2:00 am | 02:00 | 8:00 pm | 20:00 | the previous day |
| 3:00 am | 03:00 | 9:00 pm | 21:00 | the previous day |
| 4:00 am | 04:00 | 10:00 pm | 22:00 | the previous day |
| 5:00 am | 05:00 | 11:00 pm | 23:00 | the previous day |
| 6:00 am | 06:00 | 12:00 am | 00:00 | same day |
| 7:00 am | 07:00 | 1:00 am | 01:00 | same day |
| 8:00 am | 08:00 | 2:00 am | 02:00 | same day |
| 9:00 am | 09:00 | 3:00 am | 03:00 | same day |
| 10:00 am | 10:00 | 4:00 am | 04:00 | same day |
| 11:00 am | 11:00 | 5:00 am | 05:00 | same day |
| 12:00 pm | 12:00 | 6:00 am | 06:00 | same day |
| 1:00 pm | 13:00 | 7:00 am | 07:00 | same day |
| 2:00 pm | 14:00 | 8:00 am | 08:00 | same day |
| 3:00 pm | 15:00 | 9:00 am | 09:00 | same day |
| 4:00 pm | 16:00 | 10:00 am | 10:00 | same day |
| 5:00 pm | 17:00 | 11:00 am | 11:00 | same day |
| 6:00 pm | 18:00 | 12:00 pm | 12:00 | same day |
| 7:00 pm | 19:00 | 1:00 pm | 13:00 | same day |
| 8:00 pm | 20:00 | 2:00 pm | 14:00 | same day |
| 9:00 pm | 21:00 | 3:00 pm | 15:00 | same day |
| 10:00 pm | 22:00 | 4:00 pm | 16:00 | same day |
| 11:00 pm | 23:00 | 5:00 pm | 17:00 | same day |
What are the best hours to schedule a call between UTC and MST?
2 hours of the standard 9:00 am to 5:00 pm working day line up in both zones, from 3:00 pm UTC to 5:00 pm UTC. In Mountain that window reads 9:00 am to 11:00 am. Outside it, one side is either not yet at their desk or already gone.
| UTC | MST | Working hours | Note |
|---|---|---|---|
| 3:00 pm | 9:00 am | both sides | afternoon in UTC, mid morning in Mountain |
| 4:00 pm | 10:00 am | both sides | afternoon in UTC, mid morning in Mountain |
Does daylight saving change UTC to MST?
Coordinated Universal Time does not move its clocks at all, so its UTC+0 offset holds every day of the year.
Mountain Time is currently on MDT and changes next on Sunday, November 1, 2026, when the clock falls back from 1:59 am to 1:00 am and the offset moves from UTC-6 to UTC-7.
Because the two sides do not move together, the answer to this conversion changes during the year. For part of the year the gap is 6 hours and for the rest it is 7 hours. The table above is built for today, not for an average day.
Is UTC ahead of or behind MST?
UTC is ahead of MST by 6 hours: when it is 12:00 pm in UTC, it is 6:00 am in Mountain. One wrinkle worth knowing: MST and MDT are two names for the same zone, not two zones. Mountain Time reads MST in winter and MDT in summer. When somebody types "utc to mst" they nearly always mean the zone rather than the literal winter offset, so this page resolves UTC to Etc/UTC and MST to America/Denver and applies whichever offset is genuinely in force on the day.
Coordinated Universal Time covers the reference all other zones are measured against. Mountain Time covers Denver, Salt Lake City, Albuquerque and Calgary. The identifiers behind them are Etc/UTC and America/Denver, which is what any calendar or scheduling system should be storing rather than a fixed number of hours.
Questions
- What is UTC in MST?
- UTC is 6 hours ahead of MST. 9:00 am UTC is 3:00 am MST.
- How many hours ahead is MST of UTC?
- MST is 6 hours behind UTC. That varies across the year, between 6 hours and 7 hours.
- What time is it in Mountain right now?
- 3:03 pm MDT on Thursday, September 24, 2026.
- When can UTC and Mountain meet during working hours?
- Between 3:00 pm and 5:00 pm UTC, which is 9:00 am to 11:00 am MST.
- Does this account for daylight saving?
- Yes. Every reading is computed from the IANA database for the actual date, so UTC and MDT are the abbreviations genuinely in force today rather than a fixed assumption.
UTC to MST by the hour
Other conversions
12 and 24 hour converter · 8 hours from now · Today · Day counter