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DateAlmanac

What is WAT in JST?

Japan Standard Time is 8 hours ahead

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

Time in Lagos
1:52:44 PM
Time in Tokyo
9:52:44 PM
Difference
+8 h
Next clock change
Neither zone

Convert a time

JST — Japan Standard Time

9:00 pm

JST, Fri

Daylight saving

West Africa Time

No clock changes

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

Japan Standard Time

No clock changes

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

WAT to JST conversion table

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

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

Scheduling between the two

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