JST: Japan Standard Time
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JST to SAST: convert Japan Standard Time to South Africa Standard Time
SAST is 7 hours behind JST all year.
Neither clock changes for daylight saving, so the gap never moves.
One instant, two local clocks
Drag one day across both zones
Shared instant12:00 UTC
Difference nowSAST is 7 hours behind
JSTJapan Standard Time
21:00Thu, Jan 15
SASTSouth Africa Standard Time
14:00Thu, Jan 15
Approximate daylight 09:00 to 17:00 Selected local time
Both lanes show the same instant. Local dates, daylight, and offsets come from each IANA zone on the selected date, so daylight saving changes are included.
Right now
SAST: South Africa Standard Time
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Local times come from your browser's IANA time zone data.
JST to SAST hour by hour
| JST | SAST |
|---|---|
| 12:00 AM | 5:00 PM (prev day) |
| 1:00 AM | 6:00 PM (prev day) |
| 2:00 AM | 7:00 PM (prev day) |
| 3:00 AM | 8:00 PM (prev day) |
| 4:00 AM | 9:00 PM (prev day) |
| 5:00 AM | 10:00 PM (prev day) |
| 6:00 AM | 11:00 PM (prev day) |
| 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 |
Scheduling a call between JST and SAST
Standard business hours (9:00 AM to 5:00 PM) overlap from 4:00 PM to 5:00 PM in JST, which is 9:00 AM to 10:00 AM in SAST.
More JST conversions
Offsets are computed from the IANA time zone database for January 15 and July 15 of the current year. JST here means Japan Standard Time (Japan); SAST means South Africa Standard Time (South Africa).