Live Synchronized Time Difference
LisbontoSan FranciscoTime Difference
🇵🇹
Lisbon
Portugal (GMT+0)15:11:10UTC+0:00
🇺🇸
San Francisco
United States (PDT)08:11:10UTC-7:00
Direct Distance9,116 km (5,664 miles)
Estimated Flight Time~11.2 hours
Business Overlap1 overlapping hours (9am–5pm)
Mutual Working Window: 1 Overlapping Hour
Recommended calling window between Lisbon and San Francisco
Off-Peak Calling Window
Lisbon Time
4:00 PM – 5:00 PM
San Francisco Time
9:00 AM – 10:00 AM
Both locations share 1 overlapping standard business hour (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 San Francisco.
Work (9am-5pm)ShoulderSleep / Off
| Lisbon Time (Portugal) | San Francisco Time (United States) | Status & Recommendation |
|---|---|---|
| 00:00AM | 17:00PM-1 day | ⚪ Outside Work Hours |
| 01:00AM | 18:00PM-1 day | ⚪ Outside Work Hours |
| 02:00AM | 19:00PM-1 day | ⚪ Outside Work Hours |
| 03:00AM | 20:00PM-1 day | ⚪ Outside Work Hours |
| 04:00AM | 21:00PM-1 day | ⚪ Outside Work Hours |
| 05:00AM | 22:00PM-1 day | ⚪ Outside Work Hours |
| 06:00AM | 23:00PM-1 day | ⚪ Outside Work Hours |
| 07:00AM | 00:00AM | ⚪ Outside Work Hours |
| 08:00AM | 01:00AM | ⚪ Outside Work Hours |
| 09:00AM | 02:00AM | ⚪ Outside Work Hours |
| 10:00AM | 03:00AM | ⚪ Outside Work Hours |
| 11:00AM | 04:00AM | ⚪ Outside Work Hours |
| 12:00PM | 05:00AM | ⚪ Outside Work Hours |
| 13:00PM | 06:00AM | ⚪ Outside Work Hours |
| 14:00PM | 07:00AM | 🟡 Feasible (Shoulder Hour) |
| 15:00PM | 08:00AM | 🟡 Feasible (Shoulder Hour) |
| 16:00PM | 09:00AM | 🟢 Ideal Meeting Window |
| 17:00PM | 10:00AM | ⚪ Outside Work Hours |
| 18:00PM | 11:00AM | ⚪ Outside Work Hours |
| 19:00PM | 12:00PM | ⚪ Outside Work Hours |
| 20:00PM | 13:00PM | ⚪ Outside Work Hours |
| 21:00PM | 14:00PM | ⚪ Outside Work Hours |
| 22:00PM | 15:00PM | ⚪ Outside Work Hours |
| 23:00PM | 16:00PM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between Lisbon and San Francisco?
San Francisco is 7 hours behind Lisbon.
What is the best time to schedule a cross-border meeting between Lisbon and San Francisco?
There are 1 overlapping standard business hours (09:00 - 17:00) between Lisbon and San Francisco. 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 San Francisco?
Yes. If either Portugal or United States observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.