Live Synchronized Time Difference
IstanbultoLisbonTime Difference
🇹🇷
Istanbul
Turkey (GMT+3)18:10:55UTC+3:00
🇵🇹
Lisbon
Portugal (GMT+0)15:10:55UTC+0:00
Direct Distance3,237 km (2,011 miles)
Estimated Flight Time~4.3 hours
Business Overlap5 overlapping hours (9am–5pm)
Mutual Working Window: 5 Overlapping Hours
Recommended calling window between Istanbul and Lisbon
Off-Peak Calling Window
Istanbul Time
12:00 PM – 5:00 PM
Lisbon Time
9:00 AM – 2:00 PM
Both locations share 5 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 Istanbul and Lisbon.
Work (9am-5pm)ShoulderSleep / Off
| Istanbul Time (Turkey) | Lisbon Time (Portugal) | Status & Recommendation |
|---|---|---|
| 00:00AM | 21:00PM-1 day | ⚪ Outside Work Hours |
| 01:00AM | 22:00PM-1 day | ⚪ Outside Work Hours |
| 02:00AM | 23:00PM-1 day | ⚪ Outside Work Hours |
| 03:00AM | 00:00AM | ⚪ Outside Work Hours |
| 04:00AM | 01:00AM | ⚪ Outside Work Hours |
| 05:00AM | 02:00AM | ⚪ Outside Work Hours |
| 06:00AM | 03:00AM | ⚪ Outside Work Hours |
| 07:00AM | 04:00AM | ⚪ Outside Work Hours |
| 08:00AM | 05:00AM | ⚪ Outside Work Hours |
| 09:00AM | 06:00AM | ⚪ Outside Work Hours |
| 10:00AM | 07:00AM | 🟡 Feasible (Shoulder Hour) |
| 11:00AM | 08:00AM | 🟡 Feasible (Shoulder Hour) |
| 12:00PM | 09:00AM | 🟢 Ideal Meeting Window |
| 13:00PM | 10:00AM | 🟢 Ideal Meeting Window |
| 14:00PM | 11:00AM | 🟢 Ideal Meeting Window |
| 15:00PM | 12:00PM | 🟢 Ideal Meeting Window |
| 16:00PM | 13:00PM | 🟢 Ideal Meeting Window |
| 17:00PM | 14:00PM | ⚪ Outside Work Hours |
| 18:00PM | 15:00PM | ⚪ Outside Work Hours |
| 19:00PM | 16:00PM | ⚪ Outside Work Hours |
| 20:00PM | 17:00PM | ⚪ Outside Work Hours |
| 21:00PM | 18:00PM | ⚪ Outside Work Hours |
| 22:00PM | 19:00PM | ⚪ Outside Work Hours |
| 23:00PM | 20:00PM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between Istanbul and Lisbon?
Lisbon is 3 hours behind Istanbul.
What is the best time to schedule a cross-border meeting between Istanbul and Lisbon?
There are 5 overlapping standard business hours (09:00 - 17:00) between Istanbul and Lisbon. The optimal window is when both parties are in their core working shifts.
Does daylight saving time (DST) affect the time difference between Istanbul and Lisbon?
Yes. If either Turkey or Portugal observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.