Lisbon to Simi Valley, CA: time difference
Simi Valley, 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 19:28 7:28 PM Simi Valley, CA 11:28 11:28 AM You –:–
19:28 7:28 PM
Western European Summer Time · UTC+1
☀️ 07:49 · 🌙 18:56
11:28 11:28 AM
Pacific Daylight Time · UTC-7
☀️ 07:03 · 🌙 18:18
·
−8 h
Simi Valley, CA is 8 h behind Lisbon.
When you, Lisbon and Simi Valley, 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
🇺🇸 Simi Valley, 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 | 🇺🇸 Simi Valley, CA |
|---|---|---|
| Local time | 19:28 | 11:28 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 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 | 07:49 | 07:03 |
| Sunset | 18:56 | 18:18 |
| Daylight | 11 h 7 min | 11 h 15 min |
| People on this clock | 545,923 | 121,288 |
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 Simi Valley, CA: common questions
How many hours behind Lisbon is Simi Valley, CA?
The clocks in Simi Valley are 8 hours behind those in Lisbon (UTC−7 and UTC+1).
What time is it in Simi Valley, CA, at the start of the working day in Lisbon?
The working day in Lisbon starts at 9:00 AM; in Simi Valley it is 1:00 AM at that moment.
What time is it in Simi Valley, CA, when it is 6:00 PM in Lisbon?
When it is 6:00 PM in Lisbon, it is 10:00 AM in Simi Valley.
Is there a time when both Lisbon and Simi Valley, CA, are at work?
Yes: from 5:00 PM to 6:00 PM in Lisbon (9:00 AM to 10:00 AM in Simi Valley), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Simi Valley, CA, compared with Lisbon?
The new day starts in Simi Valley later: until 8:00 AM in Lisbon, it is still the previous day there. From 4:00 PM in Simi Valley, Lisbon is already on the next day.
Is the time difference between Lisbon and Simi Valley, 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, Simi Valley will be 7 hours behind Lisbon.
