Live Synchronized Time Difference
LisbontoChicagoTime Difference
🇵🇹
Lisbon
Portugal (GMT+0)15:11:11UTC+0:00
🇺🇸
Chicago
United States (CDT)10:11:11UTC-5:00
Direct Distance6,422 km (3,990 miles)
Estimated Flight Time~8.1 hours
Business Overlap3 overlapping hours (9am–5pm)
Mutual Working Window: 3 Overlapping Hours
Recommended calling window between Lisbon and Chicago
Active Calling Window Now
Lisbon Time
2:00 PM – 5:00 PM
Chicago Time
9:00 AM – 12:00 PM
Both locations share 3 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 Lisbon and Chicago.
Work (9am-5pm)ShoulderSleep / Off
| Lisbon Time (Portugal) | Chicago Time (United States) | Status & Recommendation |
|---|---|---|
| 00:00AM | 19:00PM-1 day | ⚪ Outside Work Hours |
| 01:00AM | 20:00PM-1 day | ⚪ Outside Work Hours |
| 02:00AM | 21:00PM-1 day | ⚪ Outside Work Hours |
| 03:00AM | 22:00PM-1 day | ⚪ Outside Work Hours |
| 04:00AM | 23:00PM-1 day | ⚪ Outside Work Hours |
| 05:00AM | 00:00AM | ⚪ Outside Work Hours |
| 06:00AM | 01:00AM | ⚪ Outside Work Hours |
| 07:00AM | 02:00AM | ⚪ Outside Work Hours |
| 08:00AM | 03:00AM | ⚪ Outside Work Hours |
| 09:00AM | 04:00AM | ⚪ Outside Work Hours |
| 10:00AM | 05:00AM | ⚪ Outside Work Hours |
| 11:00AM | 06:00AM | ⚪ Outside Work Hours |
| 12:00PM | 07:00AM | 🟡 Feasible (Shoulder Hour) |
| 13:00PM | 08:00AM | 🟡 Feasible (Shoulder Hour) |
| 14:00PM | 09:00AM | 🟢 Ideal Meeting Window |
| 15:00PM | 10:00AM | 🟢 Ideal Meeting Window |
| 16:00PM | 11:00AM | 🟢 Ideal Meeting Window |
| 17:00PM | 12:00PM | ⚪ Outside Work Hours |
| 18:00PM | 13:00PM | ⚪ Outside Work Hours |
| 19:00PM | 14:00PM | ⚪ Outside Work Hours |
| 20:00PM | 15:00PM | ⚪ Outside Work Hours |
| 21:00PM | 16:00PM | ⚪ Outside Work Hours |
| 22:00PM | 17:00PM | ⚪ Outside Work Hours |
| 23:00PM | 18:00PM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between Lisbon and Chicago?
Chicago is 5 hours behind Lisbon.
What is the best time to schedule a cross-border meeting between Lisbon and Chicago?
There are 3 overlapping standard business hours (09:00 - 17:00) between Lisbon and Chicago. The optimal window is when both parties are in their core working shifts.
Does daylight saving time (DST) affect the time difference between Lisbon and Chicago?
Yes. If either Portugal or United States observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.