Offset
The time difference between Johannesburg and Adelaide is 7.5 hours.
Johannesburg (SAST) is behind Adelaide (ACST).
SAST: UTC+2
ACST: UTC+9:30
Neither Johannesburg nor Adelaide is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–10 AM in Johannesburg (4 PM–5 PM in Adelaide).
Both teams are in working hours during this window on weekdays.
Suggested time: 9:00 AM Johannesburg (4:30 PM Adelaide).
This window may shift by an hour during daylight saving 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
Australia
- New Year's DayThu, Jan 1
- Australia DayMon, Jan 26
- Good FridayFri, Apr 3
- Easter MondayMon, Apr 6
- Christmas DayFri, Dec 25
- St. Stephen's DayMon, Dec 28
About these zones
Johannesburg uses South Africa Time (SAST). To call South Africa, dial +27.
Adelaide uses Australian Central Time (ACST, or ACDT). To call Australia, dial +61.
Adelaide is approximately 6,250 miles southeast of Johannesburg.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Johannesburg | Adelaide | Day |
|---|---|---|
| 12:00 am | 7:30 am | Same day |
| 1:00 am | 8:30 am | Same day |
| 2:00 am | 9:30 am | Same day |
| 3:00 am | 10:30 am | Same day |
| 4:00 am | 11:30 am | Same day |
| 5:00 am | 12:30 pm | Same day |
| 6:00 am | 1:30 pm | Same day |
| 7:00 am | 2:30 pm | Same day |
| 8:00 am | 3:30 pm | Same day |
| 9:00 am | 4:30 pm | Same day |
| 10:00 am | 5:30 pm | Same day |
| 11:00 am | 6:30 pm | Same day |
| 12:00 pm | 7:30 pm | Same day |
| 1:00 pm | 8:30 pm | Same day |
| 2:00 pm | 9:30 pm | Same day |
| 3:00 pm | 10:30 pm | Same day |
| 4:00 pm | 11:30 pm | Same day |
| 5:00 pm | 12:30 am | +1 day |
| 6:00 pm | 1:30 am | +1 day |
| 7:00 pm | 2:30 am | +1 day |
| 8:00 pm | 3:30 am | +1 day |
| 9:00 pm | 4:30 am | +1 day |
| 10:00 pm | 5:30 am | +1 day |
| 11:00 pm | 6:30 am | +1 day |
Daylight saving time
Adelaide observes daylight saving time; Johannesburg does not. The offset between the two zones changes when Adelaide transitions: on Sunday, October 4, 2026, clocks spring forward from ACST to ACDT.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 6:51 AM
- Sunset
- 5:24 PM
- Day length
- 10h 33m
- Sunrise
- 7:19 AM
- Sunset
- 5:12 PM
- Day length
- 9h 53m
Daylight overlap: 2h 50m — 6:51 AM–9:42 AM in Johannesburg (2:21 PM–5:12 PM in Adelaide). Both locations are in daylight during this window.
Cities in these zones
Other cities in South Africa 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 Australian Central Time
- ADL
Related conversions
Common conversions
- What is 9:00 am Johannesburg in Adelaide?
- 9:00 am Johannesburg is 4:30 pm Adelaide.
- What is 12:00 pm Johannesburg in Adelaide?
- 12:00 pm Johannesburg is 7:30 pm Adelaide.
- What is 12:30 pm Johannesburg in Adelaide?
- 12:30 pm Johannesburg is 8:00 pm Adelaide.
- What is 2:00 pm Johannesburg in Adelaide?
- 2:00 pm Johannesburg is 9:30 pm Adelaide.
- What is 5:00 pm Johannesburg in Adelaide?
- 5:00 pm Johannesburg is 12:30 am Adelaide, the next day.
- What is 11:30 pm Johannesburg in Adelaide?
- 11:30 pm Johannesburg is 7:00 am Adelaide, the next day.