Time zone converter

CST to MST

On Oct 23, 2026, Mountain Time is 1 hour behind Central Time: 9:00 AM CDT is 8:00 AM MDT. The gap changes during the year because of daylight saving time; the dates are below.

Central Time
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Current time in Central Time
Mountain Time
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Current time in Mountain Time
Pick a date and time to convert.

MST vs CST over the next 12 months

PeriodMST isExample
Oct 23, 2026 to Nov 1, 20261 hour behind9:00 AM CDT = 8:00 AM MDT
Nov 1, 2026 to Nov 1, 2026same time9:00 AM CST = 8:00 AM MST
Nov 1, 2026 to Mar 14, 20271 hour behind9:00 AM CST = 8:00 AM MST
Mar 14, 2027 to Mar 14, 20272 hours behind9:00 AM CDT = 8:00 AM MDT
Mar 14, 2027 onwards1 hour behind9:00 AM CDT = 8:00 AM MDT

CST to MST conversion table

Every hour of a weekday around Oct 23, 2026, in both zones.

Central TimeMountain Time
12:00 AM11:00 PM (previous day)
1:00 AM12:00 AM
2:00 AM1:00 AM
3:00 AM2:00 AM
4:00 AM3:00 AM
5:00 AM4:00 AM
6:00 AM5:00 AM
7:00 AM6:00 AM
8:00 AM7:00 AM
9:00 AM8:00 AM
10:00 AM9:00 AM
11:00 AM10:00 AM
12:00 PM11:00 AM
1:00 PM12:00 PM
2:00 PM1:00 PM
3:00 PM2:00 PM
4:00 PM3:00 PM
5:00 PM4:00 PM
6:00 PM5:00 PM
7:00 PM6:00 PM
8:00 PM7:00 PM
9:00 PM8:00 PM
10:00 PM9:00 PM
11:00 PM10:00 PM

Best time for a meeting

Normal 9-to-5 working hours overlap for 7 hours on a weekday: 10:00 AM–5:00 PM CDT, which is 9:00 AM–4:00 PM MDT.

Comparing more than two places? The meeting planner lines up working hours for up to six cities.

Daylight saving time

Central Time (CST/CDT)

  • Nov 1, 2026: clocks go back 1 hour at 2:00 AM (UTC−5 → UTC−6)
  • Mar 14, 2027: clocks go forward 1 hour at 2:00 AM (UTC−6 → UTC−5)

Mountain Time (MST/MDT)

  • Nov 1, 2026: clocks go back 1 hour at 2:00 AM (UTC−6 → UTC−7)
  • Mar 14, 2027: clocks go forward 1 hour at 2:00 AM (UTC−7 → UTC−6)

Where these clocks are used

  • Central Time (CST/CDT): Chicago, Dallas, Houston, Winnipeg. IANA zone America/Chicago.
  • Mountain Time (MST/MDT): Denver, Salt Lake City, Calgary. IANA zone America/Denver.

Questions

What time is it in MST when it is 9 AM CST?

On Oct 23, 2026, 9:00 AM CDT is 8:00 AM MDT. On other dates the answer can shift by an hour because of daylight saving time; the table of periods on this page gives each one.

How many hours behind CST is MST?

It depends on the date. Oct 23, 2026 to Nov 1, 2026: MST is 1 hour behind. Nov 1, 2026 to Nov 1, 2026: MST is same time. Nov 1, 2026 to Mar 14, 2027: MST is 1 hour behind. Mar 14, 2027 to Mar 14, 2027: MST is 2 hours behind. Mar 14, 2027 onwards: MST is 1 hour behind.

Do CST and MST observe daylight saving time?

Central Time switches to CDT (UTC−5) in summer and back to CST (UTC−6) in winter. Mountain Time switches to MDT (UTC−6) in summer and back to MST (UTC−7) in winter.

What is the best time for a meeting between CST and MST?

Normal 9-to-5 working hours overlap for 7 hours on a weekday: 10:00 AM–5:00 PM CDT, which is 9:00 AM–4:00 PM MDT.

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Related conversions

Computed from the IANA time zone database on Oct 23, 2026. Live clocks and the converter use your browser's copy of the same data.