Offset
The time difference between South Africa Time and Japan Standard Time is 7 hours.
South Africa Time (SAST) is behind Japan Standard Time (JST).
SAST: UTC+2
JST: UTC+9
Neither South Africa Time nor Japan Standard Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–10 AM in South Africa Time (4 PM–5 PM in Japan Standard Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 9:00 AM South Africa Time (4:00 PM Japan Standard Time).
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
South Africa
- New Year's DayThu, Jan 1
- Human Rights DaySat, Mar 21
- Good FridayFri, Apr 3
- Family DayMon, Apr 6
- Freedom DayMon, Apr 27
- Workers' DayFri, May 1
- Youth DayTue, Jun 16
- National Women's DayMon, Aug 10
- Heritage DayThu, Sep 24
- Day of ReconciliationWed, Dec 16
- Christmas DayFri, Dec 25
- Day of GoodwillSat, Dec 26
Japan
- New Year's DayThu, Jan 1
- Coming of Age DayMon, Jan 12
- Foundation DayWed, Feb 11
- The Emperor's BirthdayMon, Feb 23
- Vernal Equinox DayFri, Mar 20
- Shōwa DayWed, Apr 29
- Constitution Memorial DayWed, May 6
- Greenery DayMon, May 4
- Children's DayTue, May 5
- Marine DayMon, Jul 20
- Mountain DayTue, Aug 11
- Respect for the Aged DayMon, Sep 21
- Autumnal Equinox DayWed, Sep 23
- Sports DayMon, Oct 12
- Culture DayTue, Nov 3
- Labour Thanksgiving DayMon, Nov 23
About these zones
South Africa Time is also known as SAST. To call South Africa, dial +27.
Japan Standard Time is also known as JST. To call Japan, dial +81.
Japan Standard Time is approximately 8,400 miles northeast of South Africa Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| SAST | JST | Day |
|---|---|---|
| 12:00 am | 7:00 am | Same day |
| 1:00 am | 8:00 am | Same day |
| 2:00 am | 9:00 am | Same day |
| 3:00 am | 10:00 am | Same day |
| 4:00 am | 11:00 am | Same day |
| 5:00 am | 12:00 pm | Same day |
| 6:00 am | 1:00 pm | Same day |
| 7:00 am | 2:00 pm | Same day |
| 8:00 am | 3:00 pm | Same day |
| 9:00 am | 4:00 pm | Same day |
| 10:00 am | 5:00 pm | Same day |
| 11:00 am | 6:00 pm | Same day |
| 12:00 pm | 7:00 pm | Same day |
| 1:00 pm | 8:00 pm | Same day |
| 2:00 pm | 9:00 pm | Same day |
| 3:00 pm | 10:00 pm | Same day |
| 4:00 pm | 11:00 pm | Same day |
| 5:00 pm | 12:00 am | +1 day |
| 6:00 pm | 1:00 am | +1 day |
| 7:00 pm | 2:00 am | +1 day |
| 8:00 pm | 3:00 am | +1 day |
| 9:00 pm | 4:00 am | +1 day |
| 10:00 pm | 5:00 am | +1 day |
| 11:00 pm | 6:00 am | +1 day |
Daylight saving time
Neither South Africa Time nor Japan Standard Time observes daylight saving time. The offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 6:50 AM
- Sunset
- 5:24 PM
- Day length
- 10h 34m
- Sunrise
- 4:27 AM
- Sunset
- 6:55 PM
- Day length
- 14h 28m
Daylight overlap: 5h 4m — 6:50 AM–11:55 AM in South Africa Time (1:50 PM–6:55 PM in Japan Standard Time). Both locations are in daylight during this window.
Cities in these zones
Cities in South Africa Time
Cities in Japan Standard Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in South Africa Time
- HLA
- JNB
- CPT
- DUR
Airports in Japan Standard Time
- HND
- NRT
- ITM
- KIX
- UKB
- NGO
- NKM
- CTS
- OKD
- FUK
Related conversions
Common conversions
- What is 9:00 am SAST in JST?
- 9:00 am SAST is 4:00 pm JST.
- What is 12:00 pm SAST in JST?
- 12:00 pm SAST is 7:00 pm JST.
- What is 12:30 pm SAST in JST?
- 12:30 pm SAST is 7:30 pm JST.
- What is 2:00 pm SAST in JST?
- 2:00 pm SAST is 9:00 pm JST.
- What is 5:00 pm SAST in JST?
- 5:00 pm SAST is 12:00 am JST, the next day.
- What is 11:30 pm SAST in JST?
- 11:30 pm SAST is 6:30 am JST, the next day.