CST to MST Converter

Central Standard Time → Mountain Standard Time · CST is 1 hour ahead of MST

CST
—
MST
—

CST and MST are the same time

CST to MST Conversion Table

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

Green rows = business hours overlap (9:00 AM – 6:00 PM CST)

Major CST Cities
  • Chicago, IL
  • Houston, TX
  • Dallas, TX
  • Minneapolis, MN
  • Kansas City, MO
  • New Orleans, LA
Major MST Cities
  • Denver, CO
  • Salt Lake City, UT
  • Albuquerque, NM
  • Tucson, AZ
  • Boise, ID
  • El Paso, TX
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CST vs MST — What You Need to Know

CST (Central Standard Time) is UTC-6, covering Illinois, Texas, Minnesota and Louisiana. In summer it becomes CDT (UTC-5).

MST (Mountain Standard Time) is UTC-7, covering Colorado, Utah, Montana and New Mexico. In summer it becomes MDT (UTC-6).

The 1-hour gap is constant. A 9 AM Denver meeting is 10 AM in Chicago — easy cross-timezone coordination.

Frequently Asked Questions

How many hours is CST ahead of MST?

CST (Central Standard Time, UTC-6) is 1 hour ahead of MST (Mountain Standard Time, UTC-7). Both zones observe DST on the same dates, keeping the 1-hour gap constant year-round.

When it is 9 AM CST, what time is it MST?

When it is 9:00 AM CST, it is 8:00 AM MST. CST is always 1 hour ahead of MST.

What is the time difference between Chicago and Denver?

Chicago (Central Time) is 1 hour ahead of Denver (Mountain Time) year-round. Both cities observe Daylight Saving Time simultaneously, maintaining the constant 1-hour difference.