TimezoneToolbox

PST to MST converter

MST is 1 h ahead of PST all year.

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PST to MST table

For 2 July 2026, when MST is 1 h ahead of PST. Other dates: see the table on the right.

PSTMST24-hour
12:00 AM1:00 AM 0:00 → 1:00
1:00 AM2:00 AM 1:00 → 2:00
2:00 AM3:00 AM 2:00 → 3:00
3:00 AM4:00 AM 3:00 → 4:00
4:00 AM5:00 AM 4:00 → 5:00
5:00 AM6:00 AM 5:00 → 6:00
6:00 AM7:00 AM 6:00 → 7:00
7:00 AM8:00 AM 7:00 → 8:00
8:00 AM9:00 AM 8:00 → 9:00
9:00 AM10:00 AM 9:00 → 10:00
10:00 AM11:00 AM 10:00 → 11:00
11:00 AM12:00 PM 11:00 → 12:00
12:00 PM1:00 PM 12:00 → 13:00
1:00 PM2:00 PM 13:00 → 14:00
2:00 PM3:00 PM 14:00 → 15:00
3:00 PM4:00 PM 15:00 → 16:00
4:00 PM5:00 PM 16:00 → 17:00
5:00 PM6:00 PM 17:00 → 18:00
6:00 PM7:00 PM 18:00 → 19:00
7:00 PM8:00 PM 19:00 → 20:00
8:00 PM9:00 PM 20:00 → 21:00
9:00 PM10:00 PM 21:00 → 22:00
10:00 PM11:00 PM 22:00 → 23:00
11:00 PM12:00 AM next day23:00 → 0:00

When the difference changes

Computed from the IANA tz database (release 2026c). Governments can change these rules; the live converter uses your browser’s own copy of the database.

2026: from (UTC)until (UTC)MST vs PST
1 January 202631 December 20261 h ahead of
2027: from (UTC)until (UTC)MST vs PST
1 January 202714 March 20271 h ahead of
14 March 202714 March 20272 h ahead of
14 March 20277 November 20271 h ahead of
7 November 20277 November 2027the same time as
7 November 202731 December 20271 h ahead of

PST: Pacific Time · PST time now
Strictly, PST is the winter offset (UTC−8). In summer the West Coast runs on PDT (UTC−7).

MST: Mountain Time · MST time now
Arizona (America/Phoenix) stays on MST all year, so for part of the year it matches Pacific Time instead of Denver.

Related converters

Questions

What is the time difference between PST and MST?

MST is 1 h ahead of PST all year.

What is 9 am PST in MST?

9:00 am PST is 10:00 AM MST, on dates when the usual difference applies. Use the converter above for any specific date.

Which PST does this page use?

Strictly, PST is the winter offset (UTC−8). In summer the West Coast runs on PDT (UTC−7).

Which MST does this page use?

Arizona (America/Phoenix) stays on MST all year, so for part of the year it matches Pacific Time instead of Denver.