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PST

7 hours behind

MST

6 hours behind

1PM6AM7AM
2PM7AM8AM
3PM8AM9AM
4PM9AM10AM
5PM10AM11AM
6PM11AM12PM
7PM12PM1PM
8PM1PM2PM
9PM2PM3PM
10PM3PM4PM
11PM4PM5PM
12AM5PM6PM
1AM6PM7PM
2AM7PM8PM
3AM8PM9PM
4AM9PM10PM
5AM10PM11PM
6AM11PM12AM
7AM12AM1AM
8AM1AM2AM
9AM2AM3AM
10AM3AM4AM
11AM4AM5AM
12PM5AM6AM
DayNight
About converting PST to MST

Pacific Time (US) (PST) is UTC-08:00. Mountain Time (US) (MST) is UTC-07:00. MST is 1 hour ahead of PST.

PSTMST
12:00 AM1:00 AM
6:00 AM7:00 AM
8:00 AM9:00 AM
9:00 AM10:00 AM
12:00 PM1:00 PM
3:00 PM4:00 PM
5:00 PM6:00 PM
9:00 PM10:00 PM

US Pacific Time observes daylight saving as PDT (UTC−07:00) from March to November.

US Mountain Time observes daylight saving as MDT (UTC−06:00) from March to November; Arizona stays on MST year-round.