Rouen Time to MST Converter
MST is 8 hours behind CET. 9:00 AM CET = 1:00 AM MST.
MST is 8 hours behind CET at the moment. To convert Rouen Time to MST, subtract 8 hours from the Rouen Time time: 9:00 AM CET = 1:00 AM MST.
Rouen Time (Rouen time) is used in Rouen, France. 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.
Rouen Time to MST time conversion table
Rouen Time to MST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Rouen Time | MST | Day |
|---|---|---|
| 12:00 AM CET | 4:00 PM MST | previous day |
| 1:00 AM CET | 5:00 PM MST | previous day |
| 2:00 AM CET | 6:00 PM MST | previous day |
| 3:00 AM CET | 7:00 PM MST | previous day |
| 4:00 AM CET | 8:00 PM MST | previous day |
| 5:00 AM CET | 9:00 PM MST | previous day |
| 6:00 AM CET | 10:00 PM MST | previous day |
| 7:00 AM CET | 11:00 PM MST | previous day |
| 8:00 AM CET | 12:00 AM MST | night |
| 9:00 AM CET | 1:00 AM MST | night |
| 10:00 AM CET | 2:00 AM MST | night |
| 11:00 AM CET | 3:00 AM MST | night |
| 12:00 PM CET | 4:00 AM MST | night |
| 1:00 PM CET | 5:00 AM MST | night |
| 2:00 PM CET | 6:00 AM MST | — |
| 3:00 PM CET | 7:00 AM MST | — |
| 4:00 PM CET | 8:00 AM MST | — |
| 5:00 PM CET | 9:00 AM MST | — |
| 6:00 PM CET | 10:00 AM MST | — |
| 7:00 PM CET | 11:00 AM MST | — |
| 8:00 PM CET | 12:00 PM MST | — |
| 9:00 PM CET | 1:00 PM MST | — |
| 10:00 PM CET | 2:00 PM MST | — |
| 11:00 PM CET | 3:00 PM MST | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert Rouen Time to MST
Subtract 8 hours from the Rouen Time time to get MST.
Example: 9:00 AM CET = 1:00 AM MST.
Across midnight: 1:00 AM CET = 5:00 PM MST (previous day). The date changes, so always check the day as well as the hour.
Time difference between Rouen Time and MST
The time difference between Rouen 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:
- 1 Jan 2026 – 7 Mar 2026: MST is 8 hours behind of Rouen Time.
- 8 Mar 2026 – 28 Mar 2026: MST is 7 hours behind of Rouen Time.
- 29 Mar 2026 – 24 Oct 2026: MST is 8 hours behind of Rouen Time.
- 25 Oct 2026 – 31 Oct 2026: MST is 7 hours behind of Rouen Time.
- 1 Nov 2026 – 31 Dec 2026: MST is 8 hours behind of Rouen Time.
Rouen Time and MST during daylight saving time
- Rouen Time next changes on 28 Mar 2027: clocks go forward one hour at 01:59 local time, from CET (UTC+1) to CEST (UTC+2).
- 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 Rouen Time and MST
Rouen Time and MST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 3:00 PM CET, which is 7:00 AM MST.
Rouen Time to MST FAQ
What is the time difference between Rouen Time and MST?
Right now MST is 8 hours behind CET. The gap changes 5 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Rouen Time in MST?
9:00 AM CET is 1:00 AM MST.
What is 12 PM (noon) Rouen Time in MST?
12:00 PM CET is 4:00 AM MST.
Is MST ahead of or behind Rouen Time?
MST is 8 hours behind CET, so it is earlier in MST than in Rouen Time.
Does Rouen Time change for daylight saving time?
Yes. Rouen Time next changes on 28 Mar 2027, when clocks go forward one hour from CET to CEST.
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 Rouen Time and MST?
Rouen Time and MST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 3:00 PM CET, which is 7:00 AM MST.
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 Rouen Time
Convert Rouen Time to other time zones
Convert other time zones to MST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.