Meeting time

Best time to meet: Johannesburg and Vienna

Johannesburg is 1 hour ahead of Vienna right now. Their working days overlap for 7 hours: 10 AM to 5 PM in Johannesburg, which is 9 AM to 4 PM in Vienna. The easiest time to meet is 11 AM in Johannesburg (10 AM in Vienna).

Tue 5:59 PMJohannesburg · South Africa Standard TimeTue 4:59 PMVienna · Central European Standard Time
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Hour by hour

With the clocks as they are on November 10, 2026, Johannesburg time on the left. A working day here is 9 AM to 5 PM.

JohannesburgVienna
6 AM5 AMBoth off
7 AM6 AMBoth off
8 AM7 AMBoth off
9 AM8 AMJohannesburg at work
10 AM9 AMBoth at work
11 AM10 AMEasiest time
12 PM11 AMBoth at work
1 PM12 PMBoth at work
2 PM1 PMBoth at work
3 PM2 PMBoth at work
4 PM3 PMBoth at work
5 PM4 PMVienna at work
6 PM5 PMBoth off
7 PM6 PMBoth off
8 PM7 PMBoth off
9 PM8 PMBoth off
10 PM9 PMBoth off

When the clocks change

The gap moves when either city changes its clocks. The next twelve months:

DatesJohannesburg isBoth at work (Johannesburg time)Easiest (Johannesburg / Vienna)
Now to March 28, 20271 hour ahead10 AM–5 PM (7 hours)11 AM / 10 AM
March 28, 2027 to October 31, 2027
clocks in Vienna go forward		the same time9 AM–5 PM (8 hours)10 AM / 10 AM
October 31, 2027 onward
clocks in Vienna go back		1 hour ahead10 AM–5 PM (7 hours)11 AM / 10 AM

Vienna keeps the same clock as Berlin.

Questions people ask

What time is it in Vienna when it is 9 AM in Johannesburg?
8 AM in Vienna, while Johannesburg is 1 hour ahead.
When is the best time for a call between Johannesburg and Vienna?
11 AM in Johannesburg, which is 10 AM in Vienna. Both cities are at work from 10 AM to 5 PM Johannesburg time.
Does the time difference between Johannesburg and Vienna change during the year?
Yes — it changes 2 times in the next twelve months, when the clocks go forward or back; the dates are in the table above.

More cities

New York and Johannesburg1 hour of shared working day · meet at 9 AM New York timeLondon and Johannesburg6 hours of shared working day · meet at 11:30 AM London timeSan Francisco and JohannesburgNo shared working hours · fairest at 7:30 AM San Francisco timeBangalore and Johannesburg4 hours 30 minutes of shared working day · meet at 1:30 PM Bangalore timeSingapore and Johannesburg2 hours of shared working day · meet at 4 PM Singapore timeLos Angeles and JohannesburgNo shared working hours · fairest at 7:30 AM Los Angeles timeSydney and JohannesburgNo shared working hours · fairest at 5 PM Sydney timeTokyo and Johannesburg1 hour of shared working day · meet at 4 PM Tokyo timeBerlin and Johannesburg7 hours of shared working day · meet at 10 AM Berlin timeChicago and JohannesburgNo shared working hours · fairest at 8:30 AM Chicago timeDubai and Johannesburg6 hours of shared working day · meet at 1:30 PM Dubai timeNew York and Vienna2 hours of shared working day · meet at 10 AM New York time

Every city from Johannesburg · Every city from Vienna · All cities · Plan across more than two cities

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