MST to WAT Converter
WAT is 8 hours ahead of MST. 9:00 AM MST = 5:00 PM WAT.
WAT is 8 hours ahead of MST at the moment. To convert MST to WAT, add 8 hours to the MST time: 9:00 AM MST = 5:00 PM WAT.
MST (Mountain Time) is used in Denver, Salt Lake City, Albuquerque, Calgary, Edmonton; Phoenix (Arizona) all year. WAT (West Africa Time) is used in Nigeria, Cameroon, Angola, DR Congo (west).
Most of Arizona uses MST all year and does not switch to MDT.
MST to WAT time conversion table
MST to WAT on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| MST | WAT | Day |
|---|---|---|
| 12:00 AM MST | 8:00 AM WAT | — |
| 1:00 AM MST | 9:00 AM WAT | — |
| 2:00 AM MST | 10:00 AM WAT | — |
| 3:00 AM MST | 11:00 AM WAT | — |
| 4:00 AM MST | 12:00 PM WAT | — |
| 5:00 AM MST | 1:00 PM WAT | — |
| 6:00 AM MST | 2:00 PM WAT | — |
| 7:00 AM MST | 3:00 PM WAT | — |
| 8:00 AM MST | 4:00 PM WAT | — |
| 9:00 AM MST | 5:00 PM WAT | — |
| 10:00 AM MST | 6:00 PM WAT | — |
| 11:00 AM MST | 7:00 PM WAT | — |
| 12:00 PM MST | 8:00 PM WAT | — |
| 1:00 PM MST | 9:00 PM WAT | — |
| 2:00 PM MST | 10:00 PM WAT | night |
| 3:00 PM MST | 11:00 PM WAT | night |
| 4:00 PM MST | 12:00 AM WAT | next day |
| 5:00 PM MST | 1:00 AM WAT | next day |
| 6:00 PM MST | 2:00 AM WAT | next day |
| 7:00 PM MST | 3:00 AM WAT | next day |
| 8:00 PM MST | 4:00 AM WAT | next day |
| 9:00 PM MST | 5:00 AM WAT | next day |
| 10:00 PM MST | 6:00 AM WAT | next day |
| 11:00 PM MST | 7:00 AM WAT | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert MST to WAT
Add 8 hours to the MST time to get WAT.
Example: 9:00 AM MST = 5:00 PM WAT.
Across midnight: 10:00 PM MST = 6:00 AM WAT (next day). The date changes, so always check the day as well as the hour.
Time difference between MST and WAT
The time difference between MST and WAT 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 – 7 Mar 2026: WAT is 8 hours ahead of MST.
- 8 Mar 2026 – 31 Oct 2026: WAT is 7 hours ahead of MST.
- 1 Nov 2026 – 30 Dec 2026: WAT is 8 hours ahead of MST.
MST and WAT 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).
- WAT does not observe daylight saving time; it stays on UTC+1 all year.
Best time for a meeting between MST and WAT
MST and WAT have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM MST, which is 3:00 PM WAT.
MST to WAT FAQ
What is the time difference between MST and WAT?
Right now WAT is 8 hours ahead of MST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM MST in WAT?
9:00 AM MST is 5:00 PM WAT.
What is 12 PM (noon) MST in WAT?
12:00 PM MST is 8:00 PM WAT.
Is WAT ahead of or behind MST?
WAT is 8 hours ahead of MST, so it is later in WAT 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 WAT change for daylight saving time?
No. WAT stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between MST and WAT?
MST and WAT have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM MST, which is 3:00 PM WAT.
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 WAT to MST
Convert MST to other time zones
Convert other time zones to WAT
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.