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DateAlmanac

What is WIB in JST?

Japan Standard Time is 2 hours ahead

Western Indonesian Time is on UTC+7:00 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 Jakarta
7:03:53 PM
Time in Tokyo
9:03:53 PM
Difference
+2 h
Next clock change
Neither zone

Convert a time

JST — Japan Standard Time

9:00 pm

JST, Fri

Daylight saving

Western Indonesian Time

No clock changes

Western Indonesian Time stays on WIB 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.

WIB to JST conversion table

Every hour of Friday, September 25, 2026, converted from Western Indonesian Time to Japan Standard Time. 2 of the 24 hours fall on a different calendar day in Tokyo, which is marked.

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

Scheduling between the two

Working hours overlap from 9:00 am to 4:00 pm WIB, which is 11:00 am to 6:00 pm JST. Anything inside that window falls in the normal working day at both ends.

Other conversions