Live Synchronized Time Difference
JohannesburgtoViennaTime Difference
🇿🇦
Johannesburg
South Africa (GMT+2)17:10:38UTC+2:00
🇦🇹
Vienna
Austria (GMT+1)16:10:38UTC+1:00
Direct Distance8,356 km (5,192 miles)
Estimated Flight Time~10.3 hours
Business Overlap7 overlapping hours (9am–5pm)
Mutual Working Window: 7 Overlapping Hours
Recommended calling window between Johannesburg and Vienna
Off-Peak Calling Window
Johannesburg Time
10:00 AM – 5:00 PM
Vienna Time
9:00 AM – 4:00 PM
Both locations share 7 overlapping standard business hours (9:00 AM – 5:00 PM). This is the premier window for real-time video conferences, corporate calls, and instant collaboration without outside-hours disruption.
24-Hour Schedule Conversion Matrix
Compare every hour of the day between Johannesburg and Vienna.
Work (9am-5pm)ShoulderSleep / Off
| Johannesburg Time (South Africa) | Vienna Time (Austria) | Status & Recommendation |
|---|---|---|
| 00:00AM | 23:00PM-1 day | ⚪ Outside Work Hours |
| 01:00AM | 00:00AM | ⚪ Outside Work Hours |
| 02:00AM | 01:00AM | ⚪ Outside Work Hours |
| 03:00AM | 02:00AM | ⚪ Outside Work Hours |
| 04:00AM | 03:00AM | ⚪ Outside Work Hours |
| 05:00AM | 04:00AM | ⚪ Outside Work Hours |
| 06:00AM | 05:00AM | ⚪ Outside Work Hours |
| 07:00AM | 06:00AM | ⚪ Outside Work Hours |
| 08:00AM | 07:00AM | ⚪ Outside Work Hours |
| 09:00AM | 08:00AM | 🟡 Feasible (Shoulder Hour) |
| 10:00AM | 09:00AM | 🟢 Ideal Meeting Window |
| 11:00AM | 10:00AM | 🟢 Ideal Meeting Window |
| 12:00PM | 11:00AM | 🟢 Ideal Meeting Window |
| 13:00PM | 12:00PM | 🟢 Ideal Meeting Window |
| 14:00PM | 13:00PM | 🟢 Ideal Meeting Window |
| 15:00PM | 14:00PM | 🟢 Ideal Meeting Window |
| 16:00PM | 15:00PM | 🟢 Ideal Meeting Window |
| 17:00PM | 16:00PM | ⚪ Outside Work Hours |
| 18:00PM | 17:00PM | ⚪ Outside Work Hours |
| 19:00PM | 18:00PM | ⚪ Outside Work Hours |
| 20:00PM | 19:00PM | ⚪ Outside Work Hours |
| 21:00PM | 20:00PM | ⚪ Outside Work Hours |
| 22:00PM | 21:00PM | ⚪ Outside Work Hours |
| 23:00PM | 22:00PM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between Johannesburg and Vienna?
Vienna is 1 hour behind Johannesburg.
What is the best time to schedule a cross-border meeting between Johannesburg and Vienna?
There are 7 overlapping standard business hours (09:00 - 17:00) between Johannesburg and Vienna. The optimal window is when both parties are in their core working shifts.
Does daylight saving time (DST) affect the time difference between Johannesburg and Vienna?
Yes. If either South Africa or Austria observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.