Porto to Niu time converter

Niu is 11 hours behind Porto. When it is 9:00 AM in Porto, it is 10:00 PM (Mon, Oct 19) in Niu.

Porto WEST

Tuesday, October 20, 2026

Niu HST

Tuesday, October 20, 2026

Porto
Portugal
Tue, Oct 20
WESTUTC+1
Niu
Hawaii, United States
Tue, Oct 20
HSTUTC-10-11h
Finding your time zone…
Shared working hours (9:00–18:00)

Porto to Niu conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 25, 2026: -11h
  • Oct 25, 2026 – Mar 28, 2027: -10h
  • Mar 28, 2027 – Oct 20, 2027: -11h

Distance

Porto and Niu are 12,377 km (7,691 miles) apart in a straight line.

More conversions

Niu to PortoPorto to New YorkPorto to LondonPorto to Los AngelesPorto to ChicagoPorto to TorontoPorto to São PauloPorto to ParisPorto to BerlinPorto to MoscowPorto to DubaiPorto to New DelhiPorto to Bangkok
New York to NiuLondon to NiuLos Angeles to NiuChicago to NiuToronto to NiuSão Paulo to NiuParis to NiuBerlin to NiuMoscow to NiuDubai to NiuNew Delhi to NiuBangkok to Niu

Questions and answers

What is the time difference between Porto and Niu?

Niu is 11 hours behind Porto.

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

When it is 9:00 AM in Porto, it is 10:00 PM (Mon, Oct 19) in Niu.

When is the best time to call Niu from Porto?

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

Does the time difference between Porto and Niu change?

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