Waipahu to Porto time converter

Porto is 11 hours ahead of Waipahu. When it is 9:00 AM in Waipahu, it is 8:00 PM in Porto.

Waipahu HST

Tuesday, October 20, 2026

Porto WEST

Tuesday, October 20, 2026

Hawaii, United States
Tue, Oct 20
HSTUTC-10
Portugal
Tue, Oct 20
WESTUTC+1+11h
Finding your time zone…

8:50 AM in Waipahu, Tuesday, October 20, 2026

Shared working hours (9:00–18:00)

Waipahu to Porto conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Waipahu (8:00 PM – 10:00 PM in Porto): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 24, 2026: +11h
  • Oct 24, 2026 – Mar 27, 2027: +10h
  • Mar 27, 2027 – Oct 20, 2027: +11h

Distance

Waipahu and Porto are 12,378 km (7,691 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Waipahu and Porto?

Porto is 11 hours ahead of Waipahu.

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

When it is 9:00 AM in Waipahu, it is 8:00 PM in Porto.

When is the best time to call Porto from Waipahu?

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Waipahu (8:00 PM – 10:00 PM in Porto): working hours on one side, early or late on the other.

Does the time difference between Waipahu 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.