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DateAlmanac

What is SAST in JST?

Japan Standard Time is 7 hours ahead

South Africa Standard Time is on UTC+2:00 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 Johannesburg
2:53:09 PM
Time in Tokyo
9:53:09 PM
Difference
+7 h
Next clock change
Neither zone

Convert a time

JST — Japan Standard Time

9:00 pm

JST, Fri

Daylight saving

South Africa Standard Time

No clock changes

South Africa Standard Time stays on SAST 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.

SAST to JST conversion table

Every hour of Friday, September 25, 2026, converted from South Africa Standard Time to Japan Standard Time. 7 of the 24 hours fall on a different calendar day in Tokyo, which is marked.

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

Scheduling between the two

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

Other conversions