MST to Houston 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 Houston 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. Houston Time (Houston time) is used in Houston, USA.
Most of Arizona uses MST all year and does not switch to MDT.
MST to Houston Time time conversion table
MST to Houston Time on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| MST | Houston Time | Day |
|---|---|---|
| 12:00 AM MST | 1:00 AM CST | night |
| 1:00 AM MST | 2:00 AM CST | night |
| 2:00 AM MST | 3:00 AM CST | night |
| 3:00 AM MST | 4:00 AM CST | night |
| 4:00 AM MST | 5:00 AM CST | night |
| 5:00 AM MST | 6:00 AM CST | — |
| 6:00 AM MST | 7:00 AM CST | — |
| 7:00 AM MST | 8:00 AM CST | — |
| 8:00 AM MST | 9:00 AM CST | — |
| 9:00 AM MST | 10:00 AM CST | work hours |
| 10:00 AM MST | 11:00 AM CST | work hours |
| 11:00 AM MST | 12:00 PM CST | work hours |
| 12:00 PM MST | 1:00 PM CST | work hours |
| 1:00 PM MST | 2:00 PM CST | work hours |
| 2:00 PM MST | 3:00 PM CST | work hours |
| 3:00 PM MST | 4:00 PM CST | work hours |
| 4:00 PM MST | 5:00 PM CST | — |
| 5:00 PM MST | 6:00 PM CST | — |
| 6:00 PM MST | 7:00 PM CST | — |
| 7:00 PM MST | 8:00 PM CST | — |
| 8:00 PM MST | 9:00 PM CST | — |
| 9:00 PM MST | 10:00 PM CST | night |
| 10:00 PM MST | 11:00 PM CST | night |
| 11:00 PM MST | 12:00 AM CST | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert MST to Houston Time
Add 1 hour to the MST time to get Houston 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 Houston Time
The time difference between MST and Houston Time is 1 hour all year – CST is ahead of MST.
MST and Houston 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).
- Houston 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 Houston Time
MST and Houston 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 Houston Time FAQ
What is the time difference between MST and Houston Time?
CST is 1 hour ahead of MST all year. 9:00 AM MST = 10:00 AM CST.
What is 9 AM MST in Houston Time?
9:00 AM MST is 10:00 AM CST.
What is 12 PM (noon) MST in Houston Time?
12:00 PM MST is 1:00 PM CST.
Is Houston Time ahead of or behind MST?
CST is 1 hour ahead of MST, so it is later in Houston 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 Houston Time change for daylight saving time?
Yes. Houston 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 Houston Time?
MST and Houston 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 Houston Time to MST
Convert MST to other time zones
Convert other time zones to Houston Time
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.