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DateAlmanac

What is JST in WAT?

West Africa Time is 8 hours behind

Japan Standard Time is on UTC+9:00 and West Africa Time is on UTC+1:00 right now. That gap holds all year, because both zones change their clocks together.

Time in Tokyo
9:52:58 PM
Time in Lagos
1:52:58 PM
Difference
−8 h
Next clock change
Neither zone

Convert a time

WAT — West Africa Time

1:00 pm

WAT, Fri

Daylight saving

Japan Standard Time

No clock changes

Japan Standard Time stays on JST all year, so its offset from UTC never moves.

West Africa Time

No clock changes

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

JST to WAT conversion table

Every hour of Friday, September 25, 2026, converted from Japan Standard Time to West Africa Time. 8 of the 24 hours fall on a different calendar day in Lagos, which is marked.

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

Scheduling between the two

Working hours overlap from 5:00 pm to 6:00 pm JST, which is 9:00 am to 10:00 am WAT. 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

Other conversions