The time difference between Sydney and Vienna is 10 hours. When it is 12:00 noon in Sydney, it is 02:00 in Vienna. Sydney uses the Australia/Sydney time zone (UTC+11), while Vienna uses Europe/Vienna (UTC+1).
With a 10 hours gap, there is no standard business-hours overlap between Sydney and Vienna. One party will need to adjust their schedule. Early mornings in Sydney or late evenings in Vienna tend to be the most practical compromise.
Use this table to quickly convert any hour from Sydney time to Vienna time. Rows highlighted in green indicate overlapping business hours in both cities.
| Sydney | Vienna | |
|---|---|---|
| 00:00 | 14:00 (-1 day) | Night |
| 01:00 | 15:00 (-1 day) | Night |
| 02:00 | 16:00 (-1 day) | Night |
| 03:00 | 17:00 (-1 day) | Night |
| 04:00 | 18:00 (-1 day) | Night |
| 05:00 | 19:00 (-1 day) | Night |
| 06:00 | 20:00 (-1 day) | |
| 07:00 | 21:00 (-1 day) | |
| 08:00 | 22:00 (-1 day) | |
| 09:00 | 23:00 (-1 day) | |
| 10:00 | 00:00 | |
| 11:00 | 01:00 | |
| 12:00 | 02:00 | |
| 13:00 | 03:00 | |
| 14:00 | 04:00 | |
| 15:00 | 05:00 | |
| 16:00 | 06:00 | |
| 17:00 | 07:00 | |
| 18:00 | 08:00 | |
| 19:00 | 09:00 | |
| 20:00 | 10:00 | |
| 21:00 | 11:00 | |
| 22:00 | 12:00 | Night |
| 23:00 | 13:00 | Night |
Sydney is currently observing daylight saving time, while Vienna is on standard time. When Sydney switches back to standard time, the difference between these two cities will shift by 1 hour.
The time difference is 10 hours. Vienna is 10 hours behind Sydney.
Yes. One of these cities observes DST while the other does not, so the difference shifts by 1 hour when DST begins or ends.
There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.
Subtract 10 hours from Sydney time to get Vienna time. Use the hour-by-hour table above for a quick reference.
For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.