MST to Chicago Time Converter
CST is 1 hour ahead of MST. 9:00 AM MST = 10:00 AM CST.
CST is 1 hour ahead of MST. To convert MST to Chicago Time, add 1 hour to the MST time: 9:00 AM MST = 10:00 AM CST.
MST (Mountain Time) is used in Denver, Salt Lake City, Albuquerque, Calgary, Edmonton; Phoenix (Arizona) all year. Chicago Time (Chicago time) is used in Chicago, USA.
Most of Arizona uses MST all year and does not switch to MDT.
MST to Chicago Time time conversion table
MST to Chicago Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| MST | Chicago Time |
|---|---|
| 12:00 AM | 1:00 AM |
| 1:00 AM | 2:00 AM |
| 2:00 AM | 3:00 AM |
| 3:00 AM | 4:00 AM |
| 4:00 AM | 5:00 AM |
| 5:00 AM | 6:00 AM |
| 6:00 AM | 7:00 AM |
| 7:00 AM | 8:00 AM |
| MST | Chicago Time |
|---|---|
| 8:00 AM | 9:00 AM |
| 9:00 AM | 10:00 AM |
| 10:00 AM | 11:00 AM |
| 11:00 AM | 12:00 PM |
| 12:00 PM | 1:00 PM |
| 1:00 PM | 2:00 PM |
| 2:00 PM | 3:00 PM |
| 3:00 PM | 4:00 PM |
| MST | Chicago Time |
|---|---|
| 4:00 PM | 5:00 PM |
| 5:00 PM | 6:00 PM |
| 6:00 PM | 7:00 PM |
| 7:00 PM | 8:00 PM |
| 8:00 PM | 9:00 PM |
| 9:00 PM | 10:00 PM |
| 10:00 PM | 11:00 PM |
| 11:00 PM | 12:00 AM+1 |
Conversion table from MST to Chicago Time for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in Chicago Time, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert MST to Chicago Time
Add 1 hour to the MST time to get Chicago Time.
Example: 9:00 AM MST = 10:00 AM CST.
Across midnight: 11:00 PM MST = 12:00 AM CST (next day). The date changes, so always check the day as well as the hour.
Time difference between MST and Chicago Time
The time difference between MST and Chicago Time is 1 hour all year – CST is ahead of MST.
MST and Chicago Time during daylight saving time
- MST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from MST (UTC−7) to MDT (UTC−6).
- Chicago Time next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from CST (UTC−6) to CDT (UTC−5).
Best time for a meeting between MST and Chicago Time
MST and Chicago Time share 7 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 4:00 PM MST lands between 10:00 AM and 5:00 PM CST, inside working hours for both.
MST to Chicago Time FAQ
What is the time difference between MST and Chicago Time?
CST is 1 hour ahead of MST all year. 9:00 AM MST = 10:00 AM CST.
What is 9 AM MST in Chicago Time?
9:00 AM MST is 10:00 AM CST.
What is 12 PM (noon) MST in Chicago Time?
12:00 PM MST is 1:00 PM CST.
Is Chicago Time ahead of or behind MST?
CST is 1 hour ahead of MST, so it is later in Chicago Time than in MST.
Does MST change for daylight saving time?
Yes. MST next changes on 14 Mar 2027, when clocks go forward one hour from MST to MDT.
Does Chicago Time change for daylight saving time?
Yes. Chicago Time next changes on 14 Mar 2027, when clocks go forward one hour from CST to CDT.
What is the best time for a meeting between MST and Chicago Time?
MST and Chicago Time share 7 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 4:00 PM MST lands between 10:00 AM and 5:00 PM CST, inside working hours for both.
Is MT the same as MST?
MST is the winter (standard) name of Mountain Time (MT). From March to November the same clocks are called MDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert Chicago Time to MST
Convert MST to other time zones
Convert other time zones to Chicago Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.