UTC to MST Converter
Quick answers
UTC is 7 hours ahead of MST. UTC uses GMT +0, and MST uses GMT -7 for this comparison.
For example, 12:00 pm UTC is 5:00 am MST. Use the converter above to adjust the date or time and create a shareable meeting link.
Best meeting overlap: 4pm-5pm UTC, which is 9am-10am MST.
MST is a fixed UTC-7 standard-time offset. For current Mountain Time, compare UTC to MDT.
Popular UTC to MST conversions
| UTC | UTC 24-hour | MST | MST 24-hour |
|---|---|---|---|
| 9:00 am | 09:00 | 2:00 am | 02:00 |
| 3:00 pm | 15:00 | 8:00 am | 08:00 |
Compare UTC time with MST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Universal Time Coordinated is 7 hours ahead of Mountain Standard Time
12:00 pm12:00 in UTC is 5:00 am05:00 in MST
UTC to MST call time
Best time for a conference call or a meeting is between 4pm-5pm in UTC which corresponds to 9am-10am in MST
12:00 pm12:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
5:00 am05:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
12:00 pm12:00 UTC / 5:00 am05:00 MST
| UTC | MST |
|---|---|
| 12am (midnight) | 5pm |
| 1am | 6pm |
| 2am | 7pm |
| 3am | 8pm |
| 4am | 9pm |
| 5am | 10pm |
| 6am | 11pm |
| 7am | 12am (midnight) |
| 8am | 1am |
| 9am | 2am |
| 10am | 3am |
| 11am | 4am |
| 12pm (noon) | 5am |
| 1pm | 6am |
| 2pm | 7am |
| 3pm | 8am |
| 4pm | 9am |
| 5pm | 10am |
| 6pm | 11am |
| 7pm | 12pm (noon) |
| 8pm | 1pm |
| 9pm | 2pm |
| 10pm | 3pm |
| 11pm | 4pm |
| 00:00 | 17:00 |
| 01:00 | 18:00 |
| 02:00 | 19:00 |
| 03:00 | 20:00 |
| 04:00 | 21:00 |
| 05:00 | 22:00 |
| 06:00 | 23:00 |
| 07:00 | 00:00 |
| 08:00 | 01:00 |
| 09:00 | 02:00 |
| 10:00 | 03:00 |
| 11:00 | 04:00 |
| 12:00 | 05:00 |
| 13:00 | 06:00 |
| 14:00 | 07:00 |
| 15:00 | 08:00 |
| 16:00 | 09:00 |
| 17:00 | 10:00 |
| 18:00 | 11:00 |
| 19:00 | 12:00 |
| 20:00 | 13:00 |
| 21:00 | 14:00 |
| 22:00 | 15:00 |
| 23:00 | 16:00 |
Universal Time Coordinated
Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal
Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.
UTC representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
- Zulu - Military abbreviation for UTC
- Z - short form of 'Zulu'
- Etc/UCT
- Etc/UTC
- Etc/Universal
- Etc/Zulu
- UCT
- UTC
- Universal
- Zulu
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone
Mountain Standard Time
Offset: MST is 7 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the MST time zone is Phoenix in the United States, with about 1.446 million people. Other major cities in this time zone include Calgary, Edmonton, El Paso, Denver.
French: HNR - Heure Normale des Rocheuses
Spanish: MT - Zona PacĂfico

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Mountain Daylight Time (MDT).
Start: Mountain Standard Time (MST) started on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the first Sunday of November.
End: Mountain Standard Time (MST) ends on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.
MST representations, usage and related time zones
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the west of the zero meridian.
- Tango - Military abbreviation for MST
- T - short form of 'Tango'
- America/Boise
- America/Cambridge_Bay
- America/Ciudad_Juarez
- America/Creston
- America/Dawson
- America/Dawson_Creek
- America/Denver
- America/Edmonton
- America/Fort_Nelson
- America/Hermosillo
- America/Inuvik
- America/Mazatlan
- America/Phoenix
- America/Shiprock
- America/Whitehorse
- America/Yellowknife
- Canada/Mountain
- Canada/Yukon
- MST
- MST7MDT
- Mexico/BajaSur
- Navajo
- US/Arizona
- US/Mountain
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone
