WAT to GMT Time Converter
Use this WAT to GMT time converter to compare Nigeria and United Kingdom time instantly. GMT is 1 hour behind WAT, so 9:00 AM WAT becomes 8:00 AM GMT and 5:00 PM WAT becomes 4:00 PM GMT. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.
WAT to GMT Quick Facts
Use this WAT to GMT converter to compare Nigeria and United Kingdom time, check the 1 hour gap, and confirm the right slot for calls, handoffs, and deadlines. Good overlap starts around 10:00 AM WAT / 9:00 AM GMT.
How to Convert WAT to GMT
Converting between West Africa Time and Greenwich Mean Time means accounting for a 1 hour gap — here's how to do it in under 10 seconds with no sign-up.
Pick the date and time in West Africa Time (UTC +1) that you want to convert. Hit "Now" to load the current WAT time instantly, or use "+1h" to step forward and compare.
The equivalent Greenwich Mean Time (UTC +0) time appears immediately. Since GMT is 1 hour behind of WAT, most daytime conversions stay on the same calendar day.
Click "Copy Time" to grab the GMT result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — useful when Daylight Saving Time changes the gap.
Why Choose Our WAT to GMT Converter
When someone in Nigeria suggests 10:00 AM WAT, that's 9:00 AM GMT. This converter shows the overlap so both sides agree on one slot — no back-and-forth.
Late-night WAT times can land on a different date in GMT because of the 1 hour offset. The converter labels "next day" or "previous day" next to the result so you never send a message a day early or miss a deadline.
Daylight Saving adjustments can widen or narrow the WAT–GMT gap by an hour. During transition weeks many people get it wrong. This converter pulls the current UTC offsets automatically, so the result is right even on the changeover day.
Product launches, sports matches, and webinars are often announced in WAT. Convert the event time to GMT so you know exactly when to tune in — with a 1 hour difference, a morning event in Nigeria falls during work hours in Universal.
WAT to GMT Time Conversion Chart
Quick-reference conversion table covering every hour of the day at a glance.
West Africa Time to Greenwich Mean Time full day schedule
| West Africa Time | Greenwich Mean Time |
|---|---|
| 12:00 AM |
11:00 PM
(previous day)
|
| 1:00 AM |
12:00 AM
|
| 2:00 AM |
1:00 AM
|
| 3:00 AM |
2:00 AM
|
| 4:00 AM |
3:00 AM
|
| 5:00 AM |
4:00 AM
|
| 6:00 AM |
5:00 AM
|
| 7:00 AM |
6:00 AM
|
| 8:00 AM |
7:00 AM
|
| 9:00 AM |
8:00 AM
|
| 10:00 AM |
9:00 AM
|
| 11:00 AM |
10:00 AM
|
| 12:00 PM |
11:00 AM
|
| 1:00 PM |
12:00 PM
|
| 2:00 PM |
1:00 PM
|
| 3:00 PM |
2:00 PM
|
| 4:00 PM |
3:00 PM
|
| 5:00 PM |
4:00 PM
|
| 6:00 PM |
5:00 PM
|
| 7:00 PM |
6:00 PM
|
| 8:00 PM |
7:00 PM
|
| 9:00 PM |
8:00 PM
|
| 10:00 PM |
9:00 PM
|
| 11:00 PM |
10:00 PM
|
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