Lisbon to Sunnyvale, CA: time difference
Sunnyvale, CA is 8 h behind Lisbon. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Lisbon 17:04 5:04 PM Sunnyvale, CA 09:04 9:04 AM You –:–
17:04 5:04 PM
Western European Summer Time · UTC+1
☀️ 07:51 · 🌙 18:53
09:04 9:04 AM
Pacific Daylight Time · UTC-7
☀️ 07:21 · 🌙 18:26
·
−8 h
Sunnyvale, CA is 8 h behind Lisbon.
When you, Lisbon and Sunnyvale, CA are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇹 Lisbon
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
🇺🇸 Sunnyvale, CA
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 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇺🇸 Sunnyvale, CA |
|---|---|---|
| Local time | 17:04 | 09:04 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Western European Summer Time | Pacific Daylight Time |
| UTC offset | UTC+1 | UTC-7 |
| Offset from Lisbon | — | −8 h |
| IANA zone | Europe/Lisbon | America/Los Angeles |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 07:51 | 07:21 |
| Sunset | 18:53 | 18:26 |
| Daylight | 11 h 2 min | 11 h 4 min |
| People on this clock | 545,923 | 152,703 |
Compare Lisbon with another city
More comparisons with Lisbon: the time zones next to it and the far side of the clock.
Big time differences
Lisbon and Sunnyvale, CA: common questions
How many hours behind Lisbon is Sunnyvale, CA?
The clocks in Sunnyvale are 8 hours behind those in Lisbon (UTC−7 and UTC+1).
What time is it in Sunnyvale, CA, when it is 9:00 AM in Lisbon?
When it is 9:00 AM in Lisbon, it is 1:00 AM in Sunnyvale.
What time is it in Sunnyvale, CA, when it is 6:00 PM in Lisbon?
When it is 6:00 PM in Lisbon, it is 10:00 AM in Sunnyvale.
When do working hours in Lisbon and in Sunnyvale, CA, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 5:00 PM to 6:00 PM in Lisbon, which is 9:00 AM to 10:00 AM in Sunnyvale.
When is it still the previous day in Sunnyvale, CA?
Until 8:00 AM in Lisbon it is still the previous day in Sunnyvale. The other way round, from 4:00 PM in Sunnyvale it is already the next day in Lisbon.
Is the time difference between Lisbon and Sunnyvale, CA, the same all year?
No. Both places use summer time, but they switch on different dates, so for a while the gap changes. From October 25, 2026, Sunnyvale will be 7 hours behind Lisbon.
