Porto to Berkeley time converter

Berkeley is 8 hours behind Porto. When it is 9:00 AM in Porto, it is 1:00 AM in Berkeley.

Porto WEST

Saturday, October 17, 2026

Berkeley PDT

Friday, October 16, 2026

Portugal
Sat, Oct 17
WESTUTC+1
California, United States
Fri, Oct 16
PDTUTC-7-8h
Finding your time zone…

4:29 AM in Porto, Saturday, October 17, 2026

Shared working hours (9:00–18:00)

Porto to Berkeley conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 17, 2026 – Oct 25, 2026: -8h
  • Oct 25, 2026 – Nov 1, 2026: -7h
  • Nov 1, 2026 – Mar 14, 2027: -8h
  • Mar 14, 2027 – Mar 28, 2027: -7h
  • Mar 28, 2027 – Oct 17, 2027: -8h

Distance

Porto and Berkeley are 8,949 km (5,561 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Porto and Berkeley?

Berkeley is 8 hours behind Porto.

What time is it in Berkeley when it is 9 AM in Porto?

When it is 9:00 AM in Porto, it is 1:00 AM in Berkeley.

When is the best time to call Berkeley from Porto?

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

Does the time difference between Porto and Berkeley change?

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