Offset
There is no time difference between Vienna and Johannesburg.
Vienna (CEST) is currently the same time as Johannesburg (SAST).
CEST: UTC+2
SAST: UTC+2
Vienna is currently observing daylight saving time; Johannesburg is not.
When to schedule
Business-hours overlap: 9 AM–5 PM in Vienna (9 AM–5 PM in Johannesburg).
Both teams are in working hours during this window on weekdays.
Suggested time: 1:00 PM Vienna (1:00 PM Johannesburg).
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.
Austria
- New Year's DayThu, Jan 1
- EpiphanyTue, Jan 6
- Easter SundaySun, Apr 5
- Easter MondayMon, Apr 6
- National HolidayFri, May 1
- Ascension DayThu, May 14
- PentecostSun, May 24
- Whit MondayMon, May 25
- Corpus ChristiThu, Jun 4
- Assumption DaySat, Aug 15
- National HolidayMon, Oct 26
- All Saints' DaySun, Nov 1
- Immaculate ConceptionTue, Dec 8
- Christmas DayFri, Dec 25
- St. Stephen's DaySat, Dec 26
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
About these zones
Vienna uses Central European Time (CET, or CEST). To call Austria, dial +43.
Johannesburg uses South Africa Time (SAST). To call South Africa, dial +27.
Johannesburg is approximately 5,200 miles south of Vienna.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Vienna | Johannesburg | Day |
|---|---|---|
| 12:00 am | 12:00 am | Same day |
| 1:00 am | 1:00 am | Same day |
| 2:00 am | 2:00 am | Same day |
| 3:00 am | 3:00 am | Same day |
| 4:00 am | 4:00 am | Same day |
| 5:00 am | 5:00 am | Same day |
| 6:00 am | 6:00 am | Same day |
| 7:00 am | 7:00 am | Same day |
| 8:00 am | 8:00 am | Same day |
| 9:00 am | 9:00 am | Same day |
| 10:00 am | 10:00 am | Same day |
| 11:00 am | 11:00 am | Same day |
| 12:00 pm | 12:00 pm | Same day |
| 1:00 pm | 1:00 pm | Same day |
| 2:00 pm | 2:00 pm | Same day |
| 3:00 pm | 3:00 pm | Same day |
| 4:00 pm | 4:00 pm | Same day |
| 5:00 pm | 5:00 pm | Same day |
| 6:00 pm | 6:00 pm | Same day |
| 7:00 pm | 7:00 pm | Same day |
| 8:00 pm | 8:00 pm | Same day |
| 9:00 pm | 9:00 pm | Same day |
| 10:00 pm | 10:00 pm | Same day |
| 11:00 pm | 11:00 pm | Same day |
Daylight saving time
Vienna observes daylight saving time; Johannesburg does not. The offset between the two zones changes when Vienna transitions: on Sunday, October 25, 2026, clocks fall back from CEST to CET.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 4:56 AM
- Sunset
- 8:53 PM
- Day length
- 15h 57m
- Sunrise
- 6:51 AM
- Sunset
- 5:24 PM
- Day length
- 10h 33m
Daylight overlap: 10h 33m — 6:51 AM–5:24 PM in Vienna (6:51 AM–5:24 PM in Johannesburg). 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 Central European Time
- VIE
Airports in South Africa Time
- HLA
- JNB
- CPT
- DUR
Related conversions
Common conversions
- What is 9:00 am Vienna in Johannesburg?
- 9:00 am Vienna is 9:00 am Johannesburg.
- What is 12:00 pm Vienna in Johannesburg?
- 12:00 pm Vienna is 12:00 pm Johannesburg.
- What is 12:30 pm Vienna in Johannesburg?
- 12:30 pm Vienna is 12:30 pm Johannesburg.
- What is 2:00 pm Vienna in Johannesburg?
- 2:00 pm Vienna is 2:00 pm Johannesburg.
- What is 5:00 pm Vienna in Johannesburg?
- 5:00 pm Vienna is 5:00 pm Johannesburg.
- What is 11:30 pm Vienna in Johannesburg?
- 11:30 pm Vienna is 11:30 pm Johannesburg.