CST to MST Time Converter - Live World Clock

Convert time between Central Standard Time (CST) and Mountain Standard Time (MST). See current time with live clocks.

United States (CST)

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12:27:44 PM
Thursday, August 20, 2026

United States (MST)

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11:27:44 AM
Thursday, August 20, 2026

Current Time Difference

CST is 1 hours ahead of MST

(1 hours during Daylight Saving Time)

What is CST (Central Standard Time)?

Central Standard Time (CST) covers central North America, UTC-6:00.

Countries and Regions Using CST

Primary Country:

  • United States
  • States: Texas, Illinois, Wisconsin, Tennessee, Missouri

Also Used By:

  • Mexico
  • Canada - Manitoba, Saskatchewan

Key Facts about CST:

  • ✓ Second largest US timezone
  • ✓ Major business centers in Chicago and Houston
  • ✓ DST observed March-November
  • ✓ Major Cities: Chicago, Houston, Dallas, San Antonio, Austin
  • ✓ UTC Offset: -6:00 (-5:00 during CDT)

What is MST (Mountain Standard Time)?

Mountain Standard Time (MST) used in western North America, UTC-7:00.

Countries and Regions Using MST

Primary Country:

  • United States
  • States: Colorado, Arizona, Utah, New Mexico

Also Used By:

  • Canada - Alberta
  • Mexico

Key Facts about MST:

  • ✓ Arizona doesn't observe DST
  • ✓ Major mountain resort areas
  • ✓ Growing tech hub in Denver
  • ✓ Major Cities: Denver, Phoenix, Albuquerque, Salt Lake City
  • ✓ UTC Offset: -7:00 (-6:00 during MDT)

CST to MST Time Difference

Standard Time Difference:

CST is 1 hours ahead

During Daylight Saving Time:

CST is 1 hours ahead

Common Use Cases:

  • • Business meetings between United States and United States
  • • International collaboration across timezones
  • • Scheduling calls and conferences

Frequently Asked Questions

Which countries are in CST time zone?

United States is the primary country using CST (-6:00). Other countries include: Mexico, Canada.

Which countries are in MST time zone?

United States is the primary country using MST (-7:00). Other countries include: Canada, Mexico.

How many hours is CST ahead of MST?

CST is 1 hours ahead of MST. During Daylight Saving Time, the difference is 1 hours.

Does United States observe Daylight Saving Time?

Yes, United States observes Daylight Saving Time. During DST, CST changes to CDT (Central Daylight Time) with UTC offset of -5:00.