Porto to Spring Valley time converter

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

Porto WEST

Monday, October 19, 2026

Spring Valley PDT

Monday, October 19, 2026

Portugal
Mon, Oct 19
WESTUTC+1
Nevada, United States
Mon, Oct 19
PDTUTC-7-8h
Finding your time zone…

7:05 PM in Porto, Monday, October 19, 2026

Shared working hours (9:00–18:00)

Porto to Spring Valley conversion table

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

PortoSpring Valley
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 Spring Valley).

Daylight saving time and the difference

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

  • Oct 19, 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 19, 2027: -8h

Distance

Porto and Spring Valley are 8,636 km (5,366 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Porto and Spring Valley?

Spring Valley is 8 hours behind Porto.

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

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

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

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

Does the time difference between Porto and Spring Valley change?

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