Chicago
Denver
Convert CST to MST
Central Standard Time to Mountain Standard Time — Denver is 1 hour behind Chicago
Quick Facts
Time Difference
-1 hours
CST Full Name
Central Standard Time
MST Full Name
Mountain Standard Time
CST to MST Conversion Table
Related Conversions
About CST and MST Time Zones
CST (Central Standard Time) is UTC-6 and covers cities like Chicago, Dallas, Houston. MST (Mountain Standard Time) is UTC-7 and covers cities like Denver, Phoenix, Salt Lake City.
When it's 12:00 PM (noon) in Chicago (CST), it's 11:00 AM in Denver (MST). The time difference between CST and MST is 1 hour — Denver is behind Chicago.
With only a 1-hour difference, Chicago and Denver share nearly a full business day overlap, making scheduling straightforward.
Daylight Saving Time
CST observes Daylight Saving Time and becomes CDT (Central Daylight Time) during summer months, shifting clocks forward by 1 hour to UTC-5.
MST observes Daylight Saving Time and becomes MDT (Mountain Daylight Time) during summer months, shifting clocks forward by 1 hour to UTC-6.
During DST transitions, the time difference between CST and MST may shift by ±1 hour. Always verify the current offset above for the most accurate conversion.
Use our world clock tool to compare Chicago and Denver with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between CST and MST?
Denver (MST) is 1 hour behind Chicago (CST). The offset is -1 hours.
Is MST ahead or behind CST?
MST is 1 hour behind CST. CST is UTC-5 and MST is UTC-6.
When it's 12:00 PM in Chicago, what time is it in Denver?
When it's 12:00 PM (noon) in Chicago (CST), it's 11:00 AM in Denver (MST).
When it's 5:00 PM in Chicago, what time is it in Denver?
When it's 5:00 PM in Chicago (CST), it's 4:00 PM in Denver (MST).
Does CST change for Daylight Saving Time?
Yes. CST (Central Standard Time, UTC-6) becomes CDT (Central Daylight Time, UTC-5) in summer, shifting clocks forward 1 hour.
Does MST change for Daylight Saving Time?
Yes. MST (Mountain Standard Time, UTC-7) becomes MDT (Mountain Daylight Time, UTC-6) in summer, shifting clocks forward 1 hour.