Foster City, CA to Lisbon: time difference
Lisbon is 8 h ahead of Foster City, CA. Live clocks for both, the working hours they share, and how each one sits against your own time.
+8 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Foster City, CA 23:48 11:48 PM Lisbon 07:48 7:48 AM You –:–
23:48 11:48 PM
Pacific Daylight Time · UTC-7
☀️ 07:24 · 🌙 18:25
07:48 7:48 AM
Western European Summer Time · UTC+1
☀️ 07:53 · 🌙 18:50
·
+8 h
Lisbon is 8 h ahead of Foster City, CA.
When you, Foster City, CA and Lisbon are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Foster City, CA
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇵🇹 Lisbon
8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Foster City, CA | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 23:48 | 07:48 |
| Local date | Wednesday, October 21, 2026 | Thursday, October 22, 2026 |
| Time zone | Pacific Daylight Time | Western European Summer Time |
| UTC offset | UTC-7 | UTC+1 |
| Offset from Foster City, CA | — | +8 h |
| IANA zone | America/Los Angeles | Europe/Lisbon |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 07:24 | 07:53 |
| Sunset | 18:25 | 18:50 |
| Daylight | 11 h 1 min | 10 h 57 min |
| People on this clock | 30,567 | 545,923 |
Compare Foster City, CA with another city
More comparisons with Foster City, CA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Foster City, CA and Lisbon: common questions
How many hours ahead of Foster City, CA, is Lisbon?
The clocks in Lisbon are 8 hours ahead of those in Foster City (UTC+1 and UTC−7).
If it is 9:00 AM in Foster City, CA, what time is it in Lisbon?
At 9:00 AM in Foster City, clocks in Lisbon show 5:00 PM.
What time is it in Lisbon at the end of the working day in Foster City, CA?
The working day in Foster City ends at 6:00 PM; in Lisbon it is 2:00 AM (the next day) at that moment.
When is a good time to call Lisbon from Foster City, CA?
Between 9:00 AM and 10:00 AM in Foster City – that is 5:00 PM to 6:00 PM in Lisbon – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Lisbon?
From 4:00 PM in Foster City, CA, it is already the next day in Lisbon. The other way round, until 8:00 AM in Lisbon it is still the previous day in Foster City.
Does the time gap between Foster City, CA, and Lisbon change during the year?
Yes, because the clocks in Foster City and in Lisbon change on different dates. Next change: from October 25, 2026, Lisbon will be 7 hours ahead of Foster City.
