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Zone to zone

UTC to MST — Mountain Time is 7 hours behind

Mountain Time (MST) is 7 hours behind of Coordinated Universal Time (UTC) while both are on standard time. Once daylight saving starts the gap becomes 6 hours behind, so any recurring meeting between these two regions moves by an hour twice a year.

Standard time

7 hours behind

Applies while neither zone is on daylight saving — broadly November to March in the northern hemisphere.

Daylight saving

6 hours behind

Applies while the clocks are forward. This pair does not keep a constant gap, so check the date.

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How the two zones line up

Coordinated Universal Time sits at UTC+0 in winter and does not observe daylight saving. Mountain Time sits at UTC−7 and UTC−6 respectively. The difference between those two offsets is the number you add or subtract.

Daylight saving

The overlap is narrow — roughly an hour or two. Protect that window for anything that genuinely needs both parties live.

Where this conversion gets used

  • Server logs
  • cron schedules
  • incident timelines
  • deployment and maintenance windows

UTC to MST — every hour

Both columns are computed from the IANA database, so they follow the real transition dates.

UTCMST — standardMST — daylight saving
12:00 am5:00 pm (previous day)6:00 pm (previous day)
1:00 am6:00 pm (previous day)7:00 pm (previous day)
2:00 am7:00 pm (previous day)8:00 pm (previous day)
3:00 am8:00 pm (previous day)9:00 pm (previous day)
4:00 am9:00 pm (previous day)10:00 pm (previous day)
5:00 am10:00 pm (previous day)11:00 pm (previous day)
6:00 am11:00 pm (previous day)12:00 am
7:00 am12:00 am1:00 am
8:00 am1:00 am2:00 am
9:00 am2:00 am3:00 am
10:00 am3:00 am4:00 am
11:00 am4:00 am5:00 am
12:00 pm5:00 am6:00 am
1:00 pm6:00 am7:00 am
2:00 pm7:00 am8:00 am
3:00 pm8:00 am9:00 am
4:00 pm9:00 am10:00 am
5:00 pm10:00 am11:00 am
6:00 pm11:00 am12:00 pm
7:00 pm12:00 pm1:00 pm
8:00 pm1:00 pm2:00 pm
9:00 pm2:00 pm3:00 pm
10:00 pm3:00 pm4:00 pm
11:00 pm4:00 pm5:00 pm

Questions people ask

7 hours behind during standard time, and 6 hours behind while daylight saving is running.

Related conversions

UTC to CETUTC to CSTUTC to GMTUTC to PST

All conversions →

Booking something recurring?

A fixed clock time drifts when either side changes its clocks. Our guides explain how to stop that happening.

Read the DST guidePlan a meeting