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JST to SAST Converter

SAST is 7 hours behind JST

Current JST Time
--:--:-- --
Asia/Tokyo
Current SAST Time
--:--:-- --
Africa/Johannesburg
Time Diff
7h behind
JST
UTC+9
SAST
UTC+2
Overlapping hours: 4:00 PM – 5:00 PM JST (1h)

JST to SAST Conversion Table

Green rows indicate standard business hours (9 AM – 5 PM) in SAST

JST to SAST time conversion table showing all 24 hours
JST SAST
12:00 AM 5:00 PM -1d
1:00 AM 6:00 PM -1d
2:00 AM 7:00 PM -1d
3:00 AM 8:00 PM -1d
4:00 AM 9:00 PM -1d
5:00 AM 10:00 PM -1d
6:00 AM 11:00 PM -1d
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

Converting Japan Standard Time to South Africa Standard Time

Japan Standard Time (JST) and South Africa Standard Time (SAST) are separated by a 7 hours time difference. SAST is 7 hours behind JST. JST is UTC+9, used in Japan, while SAST is UTC+2, used in South Africa, Botswana, Lesotho.

When converting from JST to SAST, the key reference points to remember are: 9:00 AM JST equals 2:00 AM SAST, 12:00 PM noon JST equals 5:00 AM SAST, and 5:00 PM JST equals 10:00 AM SAST. The conversion table above shows every hour of the day mapped between these two time zones.

Scheduling Across JST and SAST

For professionals scheduling meetings between JST and SAST, finding overlapping business hours is essential. Standard business hours are typically 9:00 AM to 5:00 PM in each time zone. Given the 7 hours difference, the window of overlap may be limited. Use the highlighted working hours in the conversion table above to quickly identify suitable meeting times.

Daylight Saving Time Considerations

JST does not observe Daylight Saving Time, maintaining UTC+9 year-round. SAST does not observe DST, staying at UTC+2 year-round.

Frequently Asked Questions

What is the time difference between JST and SAST?
South Africa Standard Time (SAST) is 7 hours behind Japan Standard Time (JST). When it is 12:00 PM noon in JST, it is 5:00 AM in SAST.
How do I convert JST to SAST?
To convert JST to SAST, subtract 7 hours from the JST time. For example, 9:00 AM JST is 2:00 AM SAST. Use the conversion table above for a quick reference of all 24 hours.
Does JST or SAST observe Daylight Saving Time?
JST does not observe Daylight Saving Time. SAST does not observe Daylight Saving Time. During DST transitions, the time difference between these zones may change by 1 hour.
What is the best time to schedule a call between JST and SAST?
The best time to schedule a call between JST and SAST is during overlapping business hours. If you are in JST, try scheduling between 9:00 AM and 5:00 PM your time, then check the conversion table above to see what that corresponds to in SAST.
Is JST ahead or behind SAST?
JST (UTC+9) is 7 hours ahead of SAST (UTC+2). JST corresponds to the IANA time zone Asia/Tokyo, while SAST corresponds to Africa/Johannesburg.

Related Conversions

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Time Zone Info