Calgary Time to MST Converter
MST is 1 hour behind MDT. 9:00 AM MDT = 8:00 AM MST.
MST is 1 hour behind MDT at the moment. To convert Calgary Time to MST, subtract 1 hour from the Calgary Time time: 9:00 AM MDT = 8:00 AM MST.
Calgary Time (Calgary time) is used in Calgary, Canada. MST (Mountain Time) is used in Denver, Salt Lake City, Albuquerque, Calgary, Edmonton; Phoenix (Arizona) all year.
Most of Arizona uses MST all year and does not switch to MDT.
Calgary Time to MST time conversion table
Calgary Time to MST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Calgary Time | MST |
|---|---|
| 12:00 AM | 11:00 PM−1 |
| 1:00 AM | 12:00 AM |
| 2:00 AM | 1:00 AM |
| 3:00 AM | 2:00 AM |
| 4:00 AM | 3:00 AM |
| 5:00 AM | 4:00 AM |
| 6:00 AM | 5:00 AM |
| 7:00 AM | 6:00 AM |
| Calgary Time | MST |
|---|---|
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 11:00 AM | 10:00 AM |
| 12:00 PM | 11:00 AM |
| 1:00 PM | 12:00 PM |
| 2:00 PM | 1:00 PM |
| 3:00 PM | 2:00 PM |
| Calgary Time | MST |
|---|---|
| 4:00 PM | 3:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 7:00 PM | 6:00 PM |
| 8:00 PM | 7:00 PM |
| 9:00 PM | 8:00 PM |
| 10:00 PM | 9:00 PM |
| 11:00 PM | 10:00 PM |
Conversion table from Calgary Time to MST 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 MST, −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 Calgary Time to MST
Subtract 1 hour from the Calgary Time time to get MST.
Example: 9:00 AM MDT = 8:00 AM MST.
Across midnight: 12:00 AM MDT = 11:00 PM MST (previous day). The date changes, so always check the day as well as the hour.
Time difference between Calgary Time and MST
The time difference between Calgary Time and MST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 31 Dec 2025 – 31 Oct 2026: MST and Calgary Time are on the same time.
- 1 Nov 2026 – 30 Dec 2026: MST is 1 hour behind of Calgary Time.
Calgary Time and MST during daylight saving time
- Calgary Time does not observe daylight saving time; it stays on UTC−6 all year.
- 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 Calgary Time and MST
Calgary Time and MST share 7 hours of the 9 AM–5 PM working day. Any time between 10:00 AM and 5:00 PM MDT lands between 9:00 AM and 4:00 PM MST, inside working hours for both.
Calgary Time to MST FAQ
What is the time difference between Calgary Time and MST?
Right now MST is 1 hour behind MDT. The gap changes 2 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Calgary Time in MST?
9:00 AM MDT is 8:00 AM MST.
What is 12 PM (noon) Calgary Time in MST?
12:00 PM MDT is 11:00 AM MST.
Is MST ahead of or behind Calgary Time?
MST is 1 hour behind MDT, so it is earlier in MST than in Calgary Time.
Does Calgary Time change for daylight saving time?
No. Calgary Time stays on the same offset all year, so conversions never shift for daylight saving time.
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 Calgary Time and MST?
Calgary Time and MST share 7 hours of the 9 AM–5 PM working day. Any time between 10:00 AM and 5:00 PM MDT lands between 9:00 AM and 4:00 PM MST, 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 MST to Calgary Time
Convert Calgary Time to other time zones
Convert other time zones to MST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.