Vienna is 6 hours behind Hong Kong. At noon in Vienna, your contact in Hong Kong sees 18:00.
Vienna runs on Europe/Vienna; Hong Kong runs on Asia/Hong_Kong. Together they are 6 hours apart.
Shared working hours
Vienna and Hong Kong share 2 hours of overlapping business hours daily — enough for real-time collaboration without anyone joining at odd hours.
00:0006:0012:0018:0024:00
Vienna
Hong Kong
Overlap (2h)
Best call times between these locations
There is a 2-hour daily window where both locations are in business hours.
09:00 Vienna / 15:00 Hong Kong✓ Both working
10:00 Vienna / 16:00 Hong Kong✓ Both working
Working hours defined as 09:00–17:00 local time for each location.
Public holidays for both locations
⚡ Holiday alerts for both locations, double-check schedules before confirming.
Vienna6 holidays
Aug 15Assumption Day
Oct 26National Holiday
Nov 1All Saints' Day
Dec 8Immaculate Conception
Dec 25Christmas Day
Hong Kong6 holidays
Jul 1Hong Kong Special Administrative Region Establishment DaySOON
Sep 26Day following the Mid-Autumn Festival
Oct 1National Day
Oct 19Chung Yeung Festival
Dec 25Christmas Day
Scheduling between Vienna and Hong Kong
Vienna (Austria) and Hong Kong (Hong Kong) are 6 hours apart. With a 2-hour daily overlap in standard business hours, both teams can connect in real time without either side stretching beyond their normal workday.
💡 Scheduling tips for these locations
✅
If you are in Vienna, aim for 09:00–10:00, which corresponds to 15:00–16:00 in Hong Kong — both teams are within working hours.
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If you are in Vienna, aim for 10:00–11:00, which corresponds to 16:00–17:00 in Hong Kong — both teams are within working hours.
Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.
Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am Vienna".
