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MT to UTC time converter
UTC is 6 hours ahead of US Mountain for 238 days of 2026, and 7 hours ahead of for the other 127 days, because daylight saving changes the gap.
MT to UTC conversion table
Local time in US Mountain and the matching time in UTC on two reference dates, one in winter and one in summer for the northern hemisphere.
| US Mountain (MT) | UTC on 15 January | UTC on 15 July |
|---|---|---|
| 08:00 | 15:00 | 14:00 |
| 09:00 | 16:00 | 15:00 |
| 10:00 | 17:00 | 16:00 |
| 12:00 | 19:00 | 18:00 |
| 15:00 | 22:00 | 21:00 |
| 17:00 | 00:00 (+1 day) | 23:00 |
| 18:00 | 01:00 (+1 day) | 00:00 (+1 day) |
| 21:00 | 04:00 (+1 day) | 03:00 (+1 day) |
Best meeting times between US Mountain and UTC
- January: Inside both working days (09:00-17:00): 09:00-10:00 MT = 16:00-17:00 UTC.
- July: Inside both working days (09:00-17:00): 09:00-11:00 MT = 15:00-17:00 UTC.
Want to add more people? The meeting planner starts with these two zones and lets you add up to four more.
Daylight saving between MT and UTC
- US Mountain moves its clocks forward on 8 March and back on 1 November in 2026.
- UTC does not change its clocks in 2026.
- The gap is 6 hours for 238 days and 7 hours for 127 days of 2026.
About the two zones
US Mountain. US Mountain Time is UTC-7 in winter (MST) and UTC-6 in summer (MDT). Arizona is the notable exception and stays on MST all year.
UTC. UTC is the reference all other zones are measured from. It never changes for daylight saving, which is why servers, logs and schedules are best kept in UTC.
Frequently asked questions
What time is 9 AM MT in UTC?
On 15 January, 09:00 in US Mountain is 16:00 in UTC. On 15 July it is 15:00.
What is the time difference between US Mountain and UTC?
UTC is 6 hours ahead of US Mountain for 238 days of 2026, and 7 hours ahead of for the other 127 days, because daylight saving changes the gap.
Does the time difference between MT and UTC change during the year?
Yes. US Mountain changes its clocks and UTC does not, so the gap moves between 6 and 7 hours. Always convert with the actual date.
When is the best time for a meeting between US Mountain and UTC?
Inside both working days (09:00-17:00): 09:00-10:00 MT = 16:00-17:00 UTC. In July: Inside both working days (09:00-17:00): 09:00-11:00 MT = 15:00-17:00 UTC.
More conversions
Need the time in a scheduler? Convert a local-time cron schedule to UTC, or see which jobs a clock change affects with the DST collision simulator.