GMT to WAT Time Converter
Use this GMT to WAT time converter to compare United Kingdom and Nigeria time instantly. WAT is 1 hour ahead of GMT, so 9:00 AM GMT becomes 10:00 AM WAT and 5:00 PM GMT becomes 6:00 PM WAT. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.
GMT to WAT Quick Facts
Use this GMT to WAT converter to compare United Kingdom and Nigeria time, check the 1 hour gap, and confirm the right slot for calls, handoffs, and deadlines. Good overlap starts around 9:00 AM GMT / 10:00 AM WAT.
How to Convert GMT to WAT
Converting between Greenwich Mean Time and West Africa 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 Greenwich Mean Time (UTC +0) that you want to convert. Hit "Now" to load the current GMT time instantly, or use "+1h" to step forward and compare.
The equivalent West Africa Time (UTC +1) time appears immediately. Since WAT is 1 hour ahead of GMT, most daytime conversions stay on the same calendar day.
Click "Copy Time" to grab the WAT 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 GMT to WAT Converter
When someone in Universal suggests 9:00 AM GMT, that's 10:00 AM WAT. This converter shows the overlap so both sides agree on one slot — no back-and-forth.
Late-night GMT times can land on a different date in WAT 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 GMT–WAT 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 GMT. Convert the event time to WAT so you know exactly when to tune in — with a 1 hour difference, a morning event in Universal falls during work hours in Nigeria.
GMT to WAT Time Conversion Chart
Quick-reference conversion table covering every hour of the day at a glance.
Greenwich Mean Time to West Africa Time full day schedule
| Greenwich Mean Time | West Africa Time |
|---|---|
| 12:00 AM |
1:00 AM
|
| 1:00 AM |
2:00 AM
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| 2:00 AM |
3:00 AM
|
| 3:00 AM |
4:00 AM
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| 4:00 AM |
5:00 AM
|
| 5:00 AM |
6:00 AM
|
| 6:00 AM |
7:00 AM
|
| 7:00 AM |
8:00 AM
|
| 8:00 AM |
9:00 AM
|
| 9:00 AM |
10:00 AM
|
| 10:00 AM |
11:00 AM
|
| 11:00 AM |
12:00 PM
|
| 12:00 PM |
1:00 PM
|
| 1:00 PM |
2:00 PM
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| 2:00 PM |
3:00 PM
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| 3:00 PM |
4:00 PM
|
| 4:00 PM |
5:00 PM
|
| 5:00 PM |
6:00 PM
|
| 6:00 PM |
7:00 PM
|
| 7:00 PM |
8:00 PM
|
| 8:00 PM |
9:00 PM
|
| 9:00 PM |
10:00 PM
|
| 10:00 PM |
11:00 PM
|
| 11:00 PM |
12:00 AM
(next day)
|
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Convert Other Time Zones to WAT
Find the time difference from any major zone into West Africa Time. Use these pages when scheduling with Nigeria from a different region.