Simi Valley to Porto time converter

Porto is 8 hours ahead of Simi Valley. When it is 9:00 AM in Simi Valley, it is 5:00 PM in Porto.

Simi Valley PDT

Tuesday, October 20, 2026

Porto WEST

Tuesday, October 20, 2026

Simi Valley
California, United States
Tue, Oct 20
PDTUTC-7
Porto
Portugal
Tue, Oct 20
WESTUTC+1+8h
Finding your time zone…
Shared working hours (9:00–18:00)

Simi Valley to Porto conversion table

Every hour of today in Simi Valley and the matching time in Porto. Light rows are typical working hours (9:00–18:00).

Simi ValleyPorto
12:00 AM8:00 AM
1:00 AM9:00 AM
2:00 AM10:00 AM
3:00 AM11:00 AM
4:00 AM12:00 PM
5:00 AM1:00 PM
6:00 AM2:00 PM
7:00 AM3:00 PM
8:00 AM4:00 PM
9:00 AM5:00 PM
10:00 AM6:00 PM
11:00 AM7:00 PM
12:00 PM8:00 PM
1:00 PM9:00 PM
2:00 PM10:00 PM
3:00 PM11:00 PM
4:00 PM12:00 AM+1 day
5:00 PM1:00 AM+1 day
6:00 PM2:00 AM+1 day
7:00 PM3:00 AM+1 day
8:00 PM4:00 AM+1 day
9:00 PM5:00 AM+1 day
10:00 PM6:00 AM+1 day
11:00 PM7:00 AM+1 day

Best time to call or meet

Both sides are at work from 9:00 AM – 10:00 AM in Simi Valley (5:00 PM – 6:00 PM in Porto).

Daylight saving time and the difference

The difference changes during the year because Simi Valley and Porto switch clocks on different dates:

  • Oct 20, 2026 – Oct 24, 2026: +8h
  • Oct 24, 2026 – Nov 1, 2026: +7h
  • Nov 1, 2026 – Mar 14, 2027: +8h
  • Mar 14, 2027 – Mar 27, 2027: +7h
  • Mar 27, 2027 – Oct 20, 2027: +8h

Distance

Simi Valley and Porto are 9,010 km (5,599 miles) apart in a straight line.

More conversions

Porto to Simi ValleySimi Valley to New YorkSimi Valley to LondonSimi Valley to Los AngelesSimi Valley to ChicagoSimi Valley to TorontoSimi Valley to São PauloSimi Valley to ParisSimi Valley to BerlinSimi Valley to MoscowSimi Valley to DubaiSimi Valley to New DelhiSimi Valley to Bangkok
New York to PortoLondon to PortoLos Angeles to PortoChicago to PortoToronto to PortoSão Paulo to PortoParis to PortoBerlin to PortoMoscow to PortoDubai to PortoNew Delhi to PortoBangkok to Porto

Questions and answers

What is the time difference between Simi Valley and Porto?

Porto is 8 hours ahead of Simi Valley.

What time is it in Porto when it is 9 AM in Simi Valley?

When it is 9:00 AM in Simi Valley, it is 5:00 PM in Porto.

When is the best time to call Porto from Simi Valley?

Both sides are at work from 9:00 AM – 10:00 AM in Simi Valley (5:00 PM – 6:00 PM in Porto).

Does the time difference between Simi Valley and Porto change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.