MST to Windsor Time Converter
EST is 2 hours ahead of MST. 9:00 AM MST = 11:00 AM EST.
EST is 2 hours ahead of MST. To convert MST to Windsor Time, add 2 hours to the MST time: 9:00 AM MST = 11:00 AM EST.
MST (Mountain Time) is used in Denver, Salt Lake City, Albuquerque, Calgary, Edmonton; Phoenix (Arizona) all year. Windsor Time (Windsor time) is used in Windsor, Canada.
Most of Arizona uses MST all year and does not switch to MDT.
MST to Windsor Time time conversion table
MST to Windsor Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| MST | Windsor Time | Day |
|---|---|---|
| 12:00 AM MST | 2:00 AM EST | night |
| 1:00 AM MST | 3:00 AM EST | night |
| 2:00 AM MST | 4:00 AM EST | night |
| 3:00 AM MST | 5:00 AM EST | night |
| 4:00 AM MST | 6:00 AM EST | — |
| 5:00 AM MST | 7:00 AM EST | — |
| 6:00 AM MST | 8:00 AM EST | — |
| 7:00 AM MST | 9:00 AM EST | — |
| 8:00 AM MST | 10:00 AM EST | — |
| 9:00 AM MST | 11:00 AM EST | work hours |
| 10:00 AM MST | 12:00 PM EST | work hours |
| 11:00 AM MST | 1:00 PM EST | work hours |
| 12:00 PM MST | 2:00 PM EST | work hours |
| 1:00 PM MST | 3:00 PM EST | work hours |
| 2:00 PM MST | 4:00 PM EST | work hours |
| 3:00 PM MST | 5:00 PM EST | — |
| 4:00 PM MST | 6:00 PM EST | — |
| 5:00 PM MST | 7:00 PM EST | — |
| 6:00 PM MST | 8:00 PM EST | — |
| 7:00 PM MST | 9:00 PM EST | — |
| 8:00 PM MST | 10:00 PM EST | night |
| 9:00 PM MST | 11:00 PM EST | night |
| 10:00 PM MST | 12:00 AM EST | next day |
| 11:00 PM MST | 1:00 AM EST | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert MST to Windsor Time
Add 2 hours to the MST time to get Windsor Time.
Example: 9:00 AM MST = 11:00 AM EST.
Across midnight: 10:00 PM MST = 12:00 AM EST (next day). The date changes, so always check the day as well as the hour.
Time difference between MST and Windsor Time
The time difference between MST and Windsor Time is 2 hours all year – EST is ahead of MST.
MST and Windsor 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).
- Windsor Time next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from EST (UTC−5) to EDT (UTC−4).
Best time for a meeting between MST and Windsor Time
MST and Windsor Time share 6 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 3:00 PM MST lands between 11:00 AM and 5:00 PM EST, inside working hours for both.
MST to Windsor Time FAQ
What is the time difference between MST and Windsor Time?
EST is 2 hours ahead of MST all year. 9:00 AM MST = 11:00 AM EST.
What is 9 AM MST in Windsor Time?
9:00 AM MST is 11:00 AM EST.
What is 12 PM (noon) MST in Windsor Time?
12:00 PM MST is 2:00 PM EST.
Is Windsor Time ahead of or behind MST?
EST is 2 hours ahead of MST, so it is later in Windsor 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 Windsor Time change for daylight saving time?
Yes. Windsor Time next changes on 14 Mar 2027, when clocks go forward one hour from EST to EDT.
What is the best time for a meeting between MST and Windsor Time?
MST and Windsor Time share 6 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 3:00 PM MST lands between 11:00 AM and 5:00 PM EST, 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 Windsor Time to MST
Convert MST to other time zones
Convert other time zones to Windsor Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.