Tokyo
JST

Tokyo

Johannesburg
SAST

Johannesburg

Convert JST to SAST

Japan Standard Time to South Africa Standard Time Johannesburg is 7 hours behind Tokyo

TokyoJST
3:00 AM
Tuesday, May 12, 2026
UTC+9
JohannesburgSAST
8:00 PM
Monday, May 11, 2026
UTC+2

Quick Facts

Time Difference

-7 hours

JST Full Name

Japan Standard Time

SAST Full Name

South Africa Standard Time

JST to SAST Conversion Table

JST (Tokyo)
SAST (Johannesburg)
12:00 AM
5:00 PM(May 11)
1:00 AM
6:00 PM(May 11)
2:00 AM
7:00 PM(May 11)
3:00 AM
8:00 PM(May 11)
4:00 AM
9:00 PM(May 11)
5:00 AM
10:00 PM(May 11)
6:00 AM
11:00 PM(May 11)
7:00 AM
12:00 AM
8:00 AM
1:00 AM
9:00 AM
2:00 AM
10:00 AM
3:00 AM
11:00 AM
4:00 AM
12:00 PM
5:00 AM
1:00 PM
6:00 AM
2:00 PM
7:00 AM
3:00 PM
8:00 AM
4:00 PM
9:00 AM
5:00 PM
10:00 AM
6:00 PM
11:00 AM
7:00 PM
12:00 PM
8:00 PM
1:00 PM
9:00 PM
2:00 PM
10:00 PM
3:00 PM
11:00 PM
4:00 PM

Related Conversions

About JST and SAST Time Zones

JST (Japan Standard Time) is UTC+9 and covers cities like Tokyo, Osaka, Kyoto. SAST (South Africa Standard Time) is UTC+2 and covers cities like Johannesburg, Cape Town, Durban.

When it's 12:00 PM (noon) in Tokyo (JST), it's 5:00 AM in Johannesburg (SAST). The time difference between JST and SAST is 7 hours Johannesburg is behind Tokyo.

The best meeting window is 9:00 AM–10:00 AM JST (4:00 PM–5:00 PM SAST).

Use our world clock tool to compare Tokyo and Johannesburg with a visual timeline, or browse more timezone conversions.

Frequently Asked Questions

What is the time difference between JST and SAST?

Johannesburg (SAST) is 7 hours behind Tokyo (JST). The offset is -7 hours.

Is SAST ahead or behind JST?

SAST is 7 hours behind JST. JST is UTC+9 and SAST is UTC+2.

When it's 12:00 PM in Tokyo, what time is it in Johannesburg?

When it's 12:00 PM (noon) in Tokyo (JST), it's 5:00 AM in Johannesburg (SAST).

When it's 5:00 PM in Tokyo, what time is it in Johannesburg?

When it's 5:00 PM in Tokyo (JST), it's 10:00 AM in Johannesburg (SAST).