AST to WAT Converter
WAT is 5 hours ahead of AST. 9:00 AM AST = 2:00 PM WAT.
WAT is 5 hours ahead of AST at the moment. To convert AST to WAT, add 5 hours to the AST time: 9:00 AM AST = 2:00 PM WAT.
AST (Atlantic Time) is used in Nova Scotia, New Brunswick, PEI; Puerto Rico and the Eastern Caribbean (all year). WAT (West Africa Time) is used in Nigeria, Cameroon, Angola, DR Congo (west).
AST here is Atlantic Standard Time, not Arabia Standard Time.
AST to WAT time conversion table
AST to WAT on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| AST | WAT | Day |
|---|---|---|
| 12:00 AM AST | 5:00 AM WAT | night |
| 1:00 AM AST | 6:00 AM WAT | — |
| 2:00 AM AST | 7:00 AM WAT | — |
| 3:00 AM AST | 8:00 AM WAT | — |
| 4:00 AM AST | 9:00 AM WAT | — |
| 5:00 AM AST | 10:00 AM WAT | — |
| 6:00 AM AST | 11:00 AM WAT | — |
| 7:00 AM AST | 12:00 PM WAT | — |
| 8:00 AM AST | 1:00 PM WAT | — |
| 9:00 AM AST | 2:00 PM WAT | work hours |
| 10:00 AM AST | 3:00 PM WAT | work hours |
| 11:00 AM AST | 4:00 PM WAT | work hours |
| 12:00 PM AST | 5:00 PM WAT | — |
| 1:00 PM AST | 6:00 PM WAT | — |
| 2:00 PM AST | 7:00 PM WAT | — |
| 3:00 PM AST | 8:00 PM WAT | — |
| 4:00 PM AST | 9:00 PM WAT | — |
| 5:00 PM AST | 10:00 PM WAT | night |
| 6:00 PM AST | 11:00 PM WAT | night |
| 7:00 PM AST | 12:00 AM WAT | next day |
| 8:00 PM AST | 1:00 AM WAT | next day |
| 9:00 PM AST | 2:00 AM WAT | next day |
| 10:00 PM AST | 3:00 AM WAT | next day |
| 11:00 PM AST | 4:00 AM WAT | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert AST to WAT
Add 5 hours to the AST time to get WAT.
Example: 9:00 AM AST = 2:00 PM WAT.
Across midnight: 10:00 PM AST = 3:00 AM WAT (next day). The date changes, so always check the day as well as the hour.
Time difference between AST and WAT
The time difference between AST 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 5 hours ahead of AST.
- 8 Mar 2026 – 31 Oct 2026: WAT is 4 hours ahead of AST.
- 1 Nov 2026 – 30 Dec 2026: WAT is 5 hours ahead of AST.
AST and WAT during daylight saving time
- AST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from AST (UTC−4) to ADT (UTC−3).
- WAT does not observe daylight saving time; it stays on UTC+1 all year.
Best time for a meeting between AST and WAT
AST and WAT share 3 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 12:00 PM AST lands between 2:00 PM and 5:00 PM WAT, inside working hours for both.
AST to WAT FAQ
What is the time difference between AST and WAT?
Right now WAT is 5 hours ahead of AST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM AST in WAT?
9:00 AM AST is 2:00 PM WAT.
What is 12 PM (noon) AST in WAT?
12:00 PM AST is 5:00 PM WAT.
Is WAT ahead of or behind AST?
WAT is 5 hours ahead of AST, so it is later in WAT than in AST.
Does AST change for daylight saving time?
Yes. AST next changes on 14 Mar 2027, when clocks go forward one hour from AST to ADT.
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 AST and WAT?
AST and WAT share 3 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 12:00 PM AST lands between 2:00 PM and 5:00 PM WAT, inside working hours for both.
Related conversions
Convert WAT to AST
Convert AST to other time zones
Convert other time zones to WAT
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.