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What is WAT in GMT?

Greenwich Mean Time is 1 hour behind

West Africa Time is on UTC+1:00 and Greenwich Mean Time is on UTC+0:00 right now. That gap holds all year, because neither zone observes daylight saving.

Convert a time

GMT — Greenwich Mean Time

8:00 am

GMT, Sat

Time in Lagos
9:29:02 AM
Time in Greenwich
8:29:02 AM
Difference
−1 h
Next clock change
Neither zone

Daylight saving

West Africa Time

No clock changes

West Africa Time stays on WAT all year, so its offset from UTC never moves.

Greenwich Mean Time

No clock changes

Greenwich Mean Time stays on GMT all year, so its offset from UTC never moves.

WAT to GMT conversion table

Every hour of Saturday, November 7, 2026, converted from West Africa Time to Greenwich Mean Time. 1 of the 24 hours fall on a different calendar day in Greenwich, which is marked.

12:00 am WAT
11:00 pm GMT−1 day
1:00 am WAT
12:00 am GMT
2:00 am WAT
1:00 am GMT
3:00 am WAT
2:00 am GMT
4:00 am WAT
3:00 am GMT
5:00 am WAT
4:00 am GMT
6:00 am WAT
5:00 am GMT
7:00 am WAT
6:00 am GMT
8:00 am WAT
7:00 am GMT
9:00 am WAT
8:00 am GMT
10:00 am WAT
9:00 am GMT
11:00 am WAT
10:00 am GMT
12:00 pm WAT
11:00 am GMT
1:00 pm WAT
12:00 pm GMT
2:00 pm WAT
1:00 pm GMT
3:00 pm WAT
2:00 pm GMT
4:00 pm WAT
3:00 pm GMT
5:00 pm WAT
4:00 pm GMT
6:00 pm WAT
5:00 pm GMT
7:00 pm WAT
6:00 pm GMT
8:00 pm WAT
7:00 pm GMT
9:00 pm WAT
8:00 pm GMT
10:00 pm WAT
9:00 pm GMT
11:00 pm WAT
10:00 pm GMT

Scheduling between the two

Working hours overlap from 10:00 am to 6:00 pm WAT, which is 9:00 am to 5:00 pm GMT. Anything inside that window falls in the normal working day at both ends.

West Africa Time (WAT) is used in Nigeria, Algeria, Angola and Cameroon

Greenwich Mean Time (GMT) is used in as a fixed UTC+0 offset. Note that the UK itself leaves GMT every summer — see British Time below.

Other conversions