Live Synchronized Time Difference
LisbontoRiyadhTime Difference
🇵🇹
Lisbon
Portugal (GMT+0)15:11:11UTC+0:00
🇸🇦
Riyadh
Saudi Arabia (GMT+3)18:11:11UTC+3:00
Direct Distance5,417 km (3,366 miles)
Estimated Flight Time~6.9 hours
Business Overlap5 overlapping hours (9am–5pm)
Mutual Working Window: 5 Overlapping Hours
Recommended calling window between Lisbon and Riyadh
Off-Peak Calling Window
Lisbon Time
9:00 AM – 2:00 PM
Riyadh Time
12:00 PM – 5:00 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 Lisbon and Riyadh.
Work (9am-5pm)ShoulderSleep / Off
| Lisbon Time (Portugal) | Riyadh Time (Saudi Arabia) | Status & Recommendation |
|---|---|---|
| 00:00AM | 03:00AM | ⚪ Outside Work Hours |
| 01:00AM | 04:00AM | ⚪ Outside Work Hours |
| 02:00AM | 05:00AM | ⚪ Outside Work Hours |
| 03:00AM | 06:00AM | ⚪ Outside Work Hours |
| 04:00AM | 07:00AM | ⚪ Outside Work Hours |
| 05:00AM | 08:00AM | ⚪ Outside Work Hours |
| 06:00AM | 09:00AM | ⚪ Outside Work Hours |
| 07:00AM | 10:00AM | ⚪ Outside Work Hours |
| 08:00AM | 11:00AM | ⚪ Outside Work Hours |
| 09:00AM | 12:00PM | 🟢 Ideal Meeting Window |
| 10:00AM | 13:00PM | 🟢 Ideal Meeting Window |
| 11:00AM | 14:00PM | 🟢 Ideal Meeting Window |
| 12:00PM | 15:00PM | 🟢 Ideal Meeting Window |
| 13:00PM | 16:00PM | 🟢 Ideal Meeting Window |
| 14:00PM | 17:00PM | 🟡 Feasible (Shoulder Hour) |
| 15:00PM | 18:00PM | 🟡 Feasible (Shoulder Hour) |
| 16:00PM | 19:00PM | 🟡 Feasible (Shoulder Hour) |
| 17:00PM | 20:00PM | ⚪ Outside Work Hours |
| 18:00PM | 21:00PM | ⚪ Outside Work Hours |
| 19:00PM | 22:00PM | ⚪ Outside Work Hours |
| 20:00PM | 23:00PM | ⚪ Outside Work Hours |
| 21:00PM | 00:00AM | ⚪ Outside Work Hours |
| 22:00PM | 01:00AM | ⚪ Outside Work Hours |
| 23:00PM | 02:00AM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between Lisbon and Riyadh?
Riyadh is 3 hours ahead of Lisbon.
What is the best time to schedule a cross-border meeting between Lisbon and Riyadh?
There are 5 overlapping standard business hours (09:00 - 17:00) between Lisbon and Riyadh. 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 Riyadh?
Yes. If either Portugal or Saudi Arabia observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.