Porto to Walnut Creek time converter

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

Porto WEST

Wednesday, October 21, 2026

Walnut Creek PDT

Tuesday, October 20, 2026

Portugal
Wed, Oct 21
WESTUTC+1
California, United States
Tue, Oct 20
PDTUTC-7-8h
Finding your time zone…

4:39 AM in Porto, Wednesday, October 21, 2026

Shared working hours (9:00–18:00)

Porto to Walnut Creek conversion table

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

PortoWalnut Creek
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 Walnut Creek).

Daylight saving time and the difference

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

  • Oct 21, 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 21, 2027: -8h

Distance

Porto and Walnut Creek are 8,933 km (5,551 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Porto and Walnut Creek?

Walnut Creek is 8 hours behind Porto.

What time is it in Walnut Creek when it is 9 AM in Porto?

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

When is the best time to call Walnut Creek from Porto?

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

Does the time difference between Porto and Walnut Creek change?

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