CST to MST Converter
MST is 1 hour behind CST. 9:00 AM CST = 8:00 AM MST.
MST is 1 hour behind CST. To convert CST to MST, subtract 1 hour from the CST time: 9:00 AM CST = 8:00 AM MST.
CST (Central Time) is used in Chicago, Dallas, Houston, Minneapolis, New Orleans, Winnipeg; Mexico City and Central America use UTC−6 all year. MST (Mountain Time) is used in Denver, Salt Lake City, Albuquerque, Calgary, Edmonton; Phoenix (Arizona) all year.
CST here means North American Central Standard Time, not China Standard Time. Most of Arizona uses MST all year and does not switch to MDT.
CST to MST time conversion table
CST to MST on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| CST | MST | Day |
|---|---|---|
| 12:00 AM CST | 11:00 PM MST | previous day |
| 1:00 AM CST | 12:00 AM MST | night |
| 2:00 AM CST | 1:00 AM MST | night |
| 3:00 AM CST | 2:00 AM MST | night |
| 4:00 AM CST | 3:00 AM MST | night |
| 5:00 AM CST | 4:00 AM MST | night |
| 6:00 AM CST | 5:00 AM MST | night |
| 7:00 AM CST | 6:00 AM MST | — |
| 8:00 AM CST | 7:00 AM MST | — |
| 9:00 AM CST | 8:00 AM MST | — |
| 10:00 AM CST | 9:00 AM MST | work hours |
| 11:00 AM CST | 10:00 AM MST | work hours |
| 12:00 PM CST | 11:00 AM MST | work hours |
| 1:00 PM CST | 12:00 PM MST | work hours |
| 2:00 PM CST | 1:00 PM MST | work hours |
| 3:00 PM CST | 2:00 PM MST | work hours |
| 4:00 PM CST | 3:00 PM MST | work hours |
| 5:00 PM CST | 4:00 PM MST | — |
| 6:00 PM CST | 5:00 PM MST | — |
| 7:00 PM CST | 6:00 PM MST | — |
| 8:00 PM CST | 7:00 PM MST | — |
| 9:00 PM CST | 8:00 PM MST | — |
| 10:00 PM CST | 9:00 PM MST | — |
| 11:00 PM CST | 10:00 PM MST | night |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert CST to MST
Subtract 1 hour from the CST time to get MST.
Example: 9:00 AM CST = 8:00 AM MST.
Across midnight: 12:00 AM CST = 11:00 PM MST (previous day). The date changes, so always check the day as well as the hour.
Time difference between CST and MST
The time difference between CST and MST is 1 hour all year – MST is behind CST.
CST and MST during daylight saving time
- CST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from CST (UTC−6) to CDT (UTC−5).
- 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).
Best time for a meeting between CST and MST
CST and MST share 7 hours of the 9 AM–5 PM working day. Any time between 10:00 AM and 5:00 PM CST lands between 9:00 AM and 4:00 PM MST, inside working hours for both.
CST to MST FAQ
What is the time difference between CST and MST?
MST is 1 hour behind CST all year. 9:00 AM CST = 8:00 AM MST.
What is 9 AM CST in MST?
9:00 AM CST is 8:00 AM MST.
What is 12 PM (noon) CST in MST?
12:00 PM CST is 11:00 AM MST.
Is MST ahead of or behind CST?
MST is 1 hour behind CST, so it is earlier in MST than in CST.
Does CST change for daylight saving time?
Yes. CST next changes on 14 Mar 2027, when clocks go forward one hour from CST to CDT.
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.
What is the best time for a meeting between CST and MST?
CST and MST share 7 hours of the 9 AM–5 PM working day. Any time between 10:00 AM and 5:00 PM CST lands between 9:00 AM and 4:00 PM MST, inside working hours for both.
Is CT the same as CST?
CST is the winter (standard) name of Central Time (CT). From March to November the same clocks are called CDT. This converter always uses the one in force on the date you choose.
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 MST to CST
Convert CST to other time zones
Convert other time zones to MST
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.