Meeting time

Best time to meet: Hong Kong and Vienna

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

Tue 11:59 PMHong Kong · Hong Kong 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, Hong Kong time on the left. A working day here is 9 AM to 5 PM.

Hong KongVienna
6 AM11 PM day beforeBoth off
7 AM12 AMBoth off
8 AM1 AMBoth off
9 AM2 AMHong Kong at work
10 AM3 AMHong Kong at work
11 AM4 AMHong Kong at work
12 PM5 AMHong Kong at work
1 PM6 AMHong Kong at work
2 PM7 AMHong Kong at work
3 PM8 AMHong Kong at work
4 PM9 AMEasiest time
5 PM10 AMVienna at work
6 PM11 AMVienna at work
7 PM12 PMVienna at work
8 PM1 PMVienna at work
9 PM2 PMVienna at work
10 PM3 PMVienna at work

When the clocks change

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

DatesHong Kong isBoth at work (Hong Kong time)Easiest (Hong Kong / Vienna)
Now to March 28, 20277 hours ahead4 PM–5 PM (1 hour)4 PM / 9 AM
March 28, 2027 to October 31, 2027
clocks in Vienna go forward		6 hours ahead3 PM–5 PM (2 hours)4 PM / 10 AM
October 31, 2027 onward
clocks in Vienna go back		7 hours ahead4 PM–5 PM (1 hour)4 PM / 9 AM

Hong Kong keeps the same clock as Singapore; Vienna keeps the same clock as Berlin.

Questions people ask

What time is it in Vienna when it is 9 AM in Hong Kong?
2 AM in Vienna, while Hong Kong is 7 hours ahead.
When is the best time for a call between Hong Kong and Vienna?
4 PM in Hong Kong, which is 9 AM in Vienna. Both cities are at work from 4 PM to 5 PM Hong Kong time.
Does the time difference between Hong Kong 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 Hong KongNo shared working hours · fairest at 6 PM New York timeLondon and Hong KongNo shared working hours · fairest at 8:30 AM London timeSan Francisco and Hong KongNo shared working hours · fairest at 4:30 PM San Francisco timeLos Angeles and Hong KongNo shared working hours · fairest at 4:30 PM Los Angeles timeBangalore and Hong Kong5 hours 30 minutes of shared working day · meet at 11 AM Bangalore timeSydney and Hong Kong5 hours of shared working day · meet at 1:30 PM Sydney timeTokyo and Hong Kong7 hours of shared working day · meet at 11 AM Tokyo timeBerlin and Hong Kong1 hour of shared working day · meet at 9 AM Berlin timeParis and Hong Kong1 hour of shared working day · meet at 9 AM Paris timeToronto and Hong KongNo shared working hours · fairest at 6 PM Toronto timeChicago and Hong KongNo shared working hours · fairest at 5:30 PM Chicago timeDubai and Hong Kong4 hours of shared working day · meet at 10 AM Dubai time

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

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