GMT to WAT Converter
WAT is 1 hour ahead of GMT.
GMT
Wednesday, October 28, 2026
Greenwich Mean Time · UTC+0
WAT
Wednesday, October 28, 2026
West Africa Time · UTC+1
Convert GMT to WAT
GMT 16:59 = WAT 17:59
GMT to WAT time chart, hour by hour
| GMT | WAT |
|---|
| 00:00 | 01:00 |
| 01:00 | 02:00 |
| 02:00 | 03:00 |
| 03:00 | 04:00 |
| 04:00 | 05:00 |
| 05:00 | 06:00 |
| 06:00 | 07:00 |
| 07:00 | 08:00 |
| 08:00 | 09:00 |
| 09:00 | 10:00 |
| 10:00 | 11:00 |
| 11:00 | 12:00 |
| 12:00 | 13:00 |
| 13:00 | 14:00 |
| 14:00 | 15:00 |
| 15:00 | 16:00 |
| 16:00 | 17:00 |
| 17:00 | 18:00 |
| 18:00 | 19:00 |
| 19:00 | 20:00 |
| 20:00 | 21:00 |
| 21:00 | 22:00 |
| 22:00 | 23:00 |
| 23:00 | 00:00 +1 day |
Highlighted rows fall within 09:00–18:00 in both places: 8 shared working hours.
How many hours is GMT behind WAT?
As abbreviations, WAT is always 1 hour ahead of GMT: GMT is UTC+0 and WAT is UTC+1. To convert, add 1 hours.
Does the GMT to WAT time difference change?
No. Wat is 1 hour ahead of gmt all year, because neither place changes its clocks.
Calling hours for GMT and WAT
- When WAT is 1 hour ahead of GMT: 7 shared office hours, 09:00 to 16:00 in GMT (10:00 to 17:00 in WAT).
Frequently asked questions about GMT and WAT time
How many hours ahead is WAT of GMT?
WAT (UTC+1) is 1 hour ahead of GMT (UTC+0).
Does the time difference between GMT and WAT change during the year?
No, it stays 1 hour ahead all year because neither place changes its clocks.