What is MST in CST?
Central Time is 1 hour ahead
Mountain Time is on UTC−6:00 and Central Time is on UTC−5:00 right now. Both are on daylight saving, so their clocks read MDT and CDT. That gap holds all year, because both zones change their clocks together.
- Time in Denver
- 8:13 pm
- Time in Chicago
- 9:13 pm
- Difference
- +1 h
- Next clock change
- November 1, 2026
Convert a time
CDT — Central Time
9:00 pm
Tue
Daylight saving
Mountain Time
Clocks go back one hour at 2am local time, becoming MST.
Central Time
Clocks go back one hour at 2am local time, becoming CST.
MST to CST conversion table
Every hour of Tuesday, September 22, 2026, converted from Mountain Time to Central Time. 1 of the 24 hours fall on a different calendar day in Chicago, which is marked.
- 12:00 am MDT
- 1:00 am CDT
- 1:00 am MDT
- 2:00 am CDT
- 2:00 am MDT
- 3:00 am CDT
- 3:00 am MDT
- 4:00 am CDT
- 4:00 am MDT
- 5:00 am CDT
- 5:00 am MDT
- 6:00 am CDT
- 6:00 am MDT
- 7:00 am CDT
- 7:00 am MDT
- 8:00 am CDT
- 8:00 am MDT
- 9:00 am CDT
- 9:00 am MDT
- 10:00 am CDT
- 10:00 am MDT
- 11:00 am CDT
- 11:00 am MDT
- 12:00 pm CDT
- 12:00 pm MDT
- 1:00 pm CDT
- 1:00 pm MDT
- 2:00 pm CDT
- 2:00 pm MDT
- 3:00 pm CDT
- 3:00 pm MDT
- 4:00 pm CDT
- 4:00 pm MDT
- 5:00 pm CDT
- 5:00 pm MDT
- 6:00 pm CDT
- 6:00 pm MDT
- 7:00 pm CDT
- 7:00 pm MDT
- 8:00 pm CDT
- 8:00 pm MDT
- 9:00 pm CDT
- 9:00 pm MDT
- 10:00 pm CDT
- 10:00 pm MDT
- 11:00 pm CDT
- 11:00 pm MDT
- 12:00 am CDT+1 day
Scheduling between the two
Working hours overlap from 9:00 am to 5:00 pm MDT, which is 10:00 am to 6:00 pm CDT. Anything inside that window falls in the normal working day at both ends.
A note on CST: it can also mean China Standard Time (UTC+8) and Cuba Standard Time (UTC−5). This page means US Central Time.
Mountain Time (MDT) is used in Salt Lake City, Albuquerque and Calgary. Arizona keeps MST all year and does not follow MDT.
Central Time (CDT) is used in Dallas, Houston, Mexico City and Winnipeg