GMT to WAT Converter
WAT is 1 hour ahead of GMT. 9:00 AM GMT = 10:00 AM WAT.
WAT is 1 hour ahead of GMT. To convert GMT to WAT, add 1 hour to the GMT time: 9:00 AM GMT = 10:00 AM WAT.
GMT (GMT) is used in Same offset as UTC. The UK and Ireland use GMT in winter; Iceland, Ghana and Senegal all year. WAT (West Africa Time) is used in Nigeria, Cameroon, Angola, DR Congo (west).
The UK is on GMT only in winter; in summer it uses BST (UTC+1).
GMT to WAT time conversion table
GMT to WAT on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| GMT | WAT | Day |
|---|---|---|
| 12:00 AM GMT | 1:00 AM WAT | night |
| 1:00 AM GMT | 2:00 AM WAT | night |
| 2:00 AM GMT | 3:00 AM WAT | night |
| 3:00 AM GMT | 4:00 AM WAT | night |
| 4:00 AM GMT | 5:00 AM WAT | night |
| 5:00 AM GMT | 6:00 AM WAT | — |
| 6:00 AM GMT | 7:00 AM WAT | — |
| 7:00 AM GMT | 8:00 AM WAT | — |
| 8:00 AM GMT | 9:00 AM WAT | — |
| 9:00 AM GMT | 10:00 AM WAT | work hours |
| 10:00 AM GMT | 11:00 AM WAT | work hours |
| 11:00 AM GMT | 12:00 PM WAT | work hours |
| 12:00 PM GMT | 1:00 PM WAT | work hours |
| 1:00 PM GMT | 2:00 PM WAT | work hours |
| 2:00 PM GMT | 3:00 PM WAT | work hours |
| 3:00 PM GMT | 4:00 PM WAT | work hours |
| 4:00 PM GMT | 5:00 PM WAT | — |
| 5:00 PM GMT | 6:00 PM WAT | — |
| 6:00 PM GMT | 7:00 PM WAT | — |
| 7:00 PM GMT | 8:00 PM WAT | — |
| 8:00 PM GMT | 9:00 PM WAT | — |
| 9:00 PM GMT | 10:00 PM WAT | night |
| 10:00 PM GMT | 11:00 PM WAT | night |
| 11:00 PM GMT | 12:00 AM WAT | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert GMT to WAT
Add 1 hour to the GMT time to get WAT.
Example: 9:00 AM GMT = 10:00 AM WAT.
Across midnight: 11:00 PM GMT = 12:00 AM WAT (next day). The date changes, so always check the day as well as the hour.
Time difference between GMT and WAT
The time difference between GMT and WAT is 1 hour all year – WAT is ahead of GMT.
GMT and WAT during daylight saving time
- GMT does not observe daylight saving time; it stays on UTC+0 all year.
- WAT does not observe daylight saving time; it stays on UTC+1 all year.
Best time for a meeting between GMT and WAT
GMT and WAT share 7 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 4:00 PM GMT lands between 10:00 AM and 5:00 PM WAT, inside working hours for both.
GMT to WAT FAQ
What is the time difference between GMT and WAT?
WAT is 1 hour ahead of GMT all year. 9:00 AM GMT = 10:00 AM WAT.
What is 9 AM GMT in WAT?
9:00 AM GMT is 10:00 AM WAT.
What is 12 PM (noon) GMT in WAT?
12:00 PM GMT is 1:00 PM WAT.
Is WAT ahead of or behind GMT?
WAT is 1 hour ahead of GMT, so it is later in WAT than in GMT.
Does GMT change for daylight saving time?
No. GMT stays on the same offset all year, so conversions never shift for daylight saving time.
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 GMT and WAT?
GMT and WAT share 7 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 4:00 PM GMT lands between 10:00 AM and 5:00 PM WAT, inside working hours for both.
Related conversions
Convert WAT to GMT
Convert GMT to other time zones
Convert other time zones to WAT
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.