Lisbon to Petaluma, CA: time difference
Petaluma, 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 01:27 1:27 AM Petaluma, CA 17:27 5:27 PM You –:–
01:27 1:27 AM
Western European Summer Time · UTC+1
☀️ 07:42 · 🌙 19:06
17:27 5:27 PM
Pacific Daylight Time · UTC-7
☀️ 07:16 · 🌙 18:40
·
−8 h
Petaluma, CA is 8 h behind Lisbon.
When you, Lisbon and Petaluma, 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
🇺🇸 Petaluma, 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 | 🇺🇸 Petaluma, CA |
|---|---|---|
| Local time | 01:27 | 17:27 |
| Local date | Monday, October 12, 2026 | Sunday, October 11, 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 | 07:42 | 07:16 |
| Sunset | 19:06 | 18:40 |
| Daylight | 11 h 24 min | 11 h 24 min |
| People on this clock | 545,923 | 60,438 |
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 Petaluma, CA: common questions
What is the time difference between Lisbon and Petaluma, CA?
Petaluma is 8 hours behind: it uses UTC−7, while Lisbon is on UTC+1.
What time is it in Petaluma, CA, when it is 9:00 AM in Lisbon?
When it is 9:00 AM in Lisbon, it is 1:00 AM in Petaluma.
What time is it in Petaluma, CA, at the end of the working day in Lisbon?
The working day in Lisbon ends at 6:00 PM; in Petaluma it is 10:00 AM at that moment.
When do working hours in Lisbon and in Petaluma, 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 Petaluma.
Until what time in Lisbon is it still yesterday in Petaluma, CA?
Before 8:00 AM in Lisbon, the date in Petaluma has not changed yet. From 4:00 PM in Petaluma, it is already the next day in Lisbon.
Is the time difference between Lisbon and Petaluma, 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, Petaluma will be 7 hours behind Lisbon.
