Hilo to Porto time converter

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

Hilo HST

Sunday, October 18, 2026

Porto WEST

Monday, October 19, 2026

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

Hilo to Porto conversion table

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

HiloPorto
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 Hilo (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 Hilo and Porto switch clocks on different dates:

  • Oct 18, 2026 – Oct 24, 2026: +11h
  • Oct 24, 2026 – Mar 27, 2027: +10h
  • Mar 27, 2027 – Oct 18, 2027: +11h

Distance

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

More conversions

Porto to HiloHilo to New YorkHilo to LondonHilo to Los AngelesHilo to ChicagoHilo to TorontoHilo to São PauloHilo to ParisHilo to BerlinHilo to MoscowHilo to DubaiHilo to New DelhiHilo to Bangkok
New York to PortoLondon to PortoLos Angeles to PortoChicago to PortoToronto to PortoSão Paulo to PortoParis to PortoBerlin to PortoMoscow to PortoDubai to PortoNew Delhi to PortoBangkok to Porto

Questions and answers

What is the time difference between Hilo and Porto?

Porto is 11 hours ahead of Hilo.

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

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

When is the best time to call Porto from Hilo?

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

Does the time difference between Hilo 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.