JST to SAST
Convert Japan Time — Tokyo to South Africa Time — Johannesburg — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Tokyo, it's 2:00 AM in Johannesburg. Johannesburg is 7 hours behind Tokyo. Use the converter above to turn any JST time into SAST, or scan the hour-by-hour table below for the full day.
JST to SAST at a glance
Planning a meeting between Tokyo and Johannesburg
Planning a call between Tokyo and Johannesburg? The best overlap during a standard 9-to-5 workday runs 4:00 PM–5:00 PM JST (9:00 AM–10:00 AM SAST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Tokyo to Johannesburg
A full day mapped from JST to SAST.
Frequently asked
Is Johannesburg ahead of or behind Tokyo?
Johannesburg is 7 hours behind Tokyo.
What is 12:00 PM JST in SAST?
12:00 PM in Tokyo is 5:00 AM in Johannesburg.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so JST and SAST automatically reflect the correct daylight-saving offset for the current date.