Live Synchronized Time Difference
ChicagotoViennaTime Difference
🇺🇸
Chicago
United States (CDT)10:10:20UTC-5:00
🇦🇹
Vienna
Austria (GMT+1)16:10:20UTC+1:00
Direct Distance7,540 km (4,685 miles)
Estimated Flight Time~9.4 hours
Business Overlap2 overlapping hours (9am–5pm)
Mutual Working Window: 2 Overlapping Hours
Recommended calling window between Chicago and Vienna
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Chicago Time
9:00 AM – 11:00 AM
Vienna Time
3:00 PM – 5:00 PM
Both locations share 2 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 Chicago and Vienna.
Work (9am-5pm)ShoulderSleep / Off
| Chicago Time (United States) | Vienna Time (Austria) | Status & Recommendation |
|---|---|---|
| 00:00AM | 06:00AM | ⚪ Outside Work Hours |
| 01:00AM | 07:00AM | ⚪ Outside Work Hours |
| 02:00AM | 08:00AM | ⚪ Outside Work Hours |
| 03:00AM | 09:00AM | ⚪ Outside Work Hours |
| 04:00AM | 10:00AM | ⚪ Outside Work Hours |
| 05:00AM | 11:00AM | ⚪ Outside Work Hours |
| 06:00AM | 12:00PM | ⚪ Outside Work Hours |
| 07:00AM | 13:00PM | ⚪ Outside Work Hours |
| 08:00AM | 14:00PM | ⚪ Outside Work Hours |
| 09:00AM | 15:00PM | 🟢 Ideal Meeting Window |
| 10:00AM | 16:00PM | 🟢 Ideal Meeting Window |
| 11:00AM | 17:00PM | 🟡 Feasible (Shoulder Hour) |
| 12:00PM | 18:00PM | 🟡 Feasible (Shoulder Hour) |
| 13:00PM | 19:00PM | 🟡 Feasible (Shoulder Hour) |
| 14:00PM | 20:00PM | 🟡 Feasible (Shoulder Hour) |
| 15:00PM | 21:00PM | ⚪ Outside Work Hours |
| 16:00PM | 22:00PM | ⚪ Outside Work Hours |
| 17:00PM | 23:00PM | ⚪ Outside Work Hours |
| 18:00PM | 00:00AM | ⚪ Outside Work Hours |
| 19:00PM | 01:00AM | ⚪ Outside Work Hours |
| 20:00PM | 02:00AM | ⚪ Outside Work Hours |
| 21:00PM | 03:00AM | ⚪ Outside Work Hours |
| 22:00PM | 04:00AM | ⚪ Outside Work Hours |
| 23:00PM | 05:00AM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between Chicago and Vienna?
Vienna is 6 hours ahead of Chicago.
What is the best time to schedule a cross-border meeting between Chicago and Vienna?
There are 2 overlapping standard business hours (09:00 - 17:00) between Chicago 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 Chicago and Vienna?
Yes. If either United States or Austria observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.