Porto to Hilo time converter

Hilo is 11 hours behind Porto. When it is 9:00 AM in Porto, it is 10:00 PM (Sun, Oct 18) in Hilo.

Porto WEST

Monday, October 19, 2026

Hilo HST

Sunday, October 18, 2026

Porto
Portugal
Mon, Oct 19
WESTUTC+1
Hilo
Hawaii, United States
Sun, Oct 18
HSTUTC-10-11h
Finding your time zone…
Shared working hours (9:00–18:00)

Porto to Hilo conversion table

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

PortoHilo
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 Hilo): 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 Hilo switch clocks on different dates:

  • Oct 19, 2026 – Oct 25, 2026: -11h
  • Oct 25, 2026 – Mar 28, 2027: -10h
  • Mar 28, 2027 – Oct 19, 2027: -11h

Distance

Porto and Hilo are 12,414 km (7,714 miles) apart in a straight line.

More conversions

Hilo 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 HiloLondon to HiloLos Angeles to HiloChicago to HiloToronto to HiloSão Paulo to HiloParis to HiloBerlin to HiloMoscow to HiloDubai to HiloNew Delhi to HiloBangkok to Hilo

Questions and answers

What is the time difference between Porto and Hilo?

Hilo is 11 hours behind Porto.

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

When it is 9:00 AM in Porto, it is 10:00 PM (Sun, Oct 18) in Hilo.

When is the best time to call Hilo 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 Hilo): working hours on one side, early or late on the other.

Does the time difference between Porto and Hilo change?

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