TimezoneToolbox

MST to PST converter

PST is 1 h behind MST all year.

Loading converter…

MST to PST table

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

MSTPST24-hour
12:00 AM11:00 PM prev. day0:00 → 23:00
1:00 AM12:00 AM 1:00 → 0:00
2:00 AM1:00 AM 2:00 → 1:00
3:00 AM2:00 AM 3:00 → 2:00
4:00 AM3:00 AM 4:00 → 3:00
5:00 AM4:00 AM 5:00 → 4:00
6:00 AM5:00 AM 6:00 → 5:00
7:00 AM6:00 AM 7:00 → 6:00
8:00 AM7:00 AM 8:00 → 7:00
9:00 AM8:00 AM 9:00 → 8:00
10:00 AM9:00 AM 10:00 → 9:00
11:00 AM10:00 AM 11:00 → 10:00
12:00 PM11:00 AM 12:00 → 11:00
1:00 PM12:00 PM 13:00 → 12:00
2:00 PM1:00 PM 14:00 → 13:00
3:00 PM2:00 PM 15:00 → 14:00
4:00 PM3:00 PM 16:00 → 15:00
5:00 PM4:00 PM 17:00 → 16:00
6:00 PM5:00 PM 18:00 → 17:00
7:00 PM6:00 PM 19:00 → 18:00
8:00 PM7:00 PM 20:00 → 19:00
9:00 PM8:00 PM 21:00 → 20:00
10:00 PM9:00 PM 22:00 → 21:00
11:00 PM10:00 PM 23:00 → 22:00

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

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.

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

Related converters

Questions

What is the time difference between MST and PST?

PST is 1 h behind MST all year.

What is 9 am MST in PST?

9:00 am MST is 8:00 AM PST, on dates when the usual difference applies. Use the converter above for any specific date.

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.

Which PST does this page use?

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