TimezoneToolbox

CST to MST converter

MST is 1 h behind CST all year.

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CST to MST table

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

CSTMST24-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)MST vs CST
1 January 202631 December 20261 h behind
2027: from (UTC)until (UTC)MST vs CST
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

CST: Central Time · CST time now
CST is also used for China Standard Time (UTC+8) and Cuba Standard Time. This page means US Central Time (America/Chicago), which switches to CDT (UTC−5) in summer.

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 CST and MST?

MST is 1 h behind CST all year.

What is 9 am CST in MST?

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

Which CST does this page use?

CST is also used for China Standard Time (UTC+8) and Cuba Standard Time. This page means US Central Time (America/Chicago), which switches to CDT (UTC−5) in summer.

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.