Porto to Kuroiso time converter

Kuroiso is 8 hours ahead of Porto. When it is 9:00 AM in Porto, it is 5:00 PM in Kuroiso.

Porto WEST

Tuesday, October 20, 2026

Kuroiso JST

Wednesday, October 21, 2026

Porto
Portugal
Tue, Oct 20
WESTUTC+1
Kuroiso
Japan
Wed, Oct 21
JSTUTC+9+8h
Finding your time zone…
Shared working hours (9:00–18:00)

Porto to Kuroiso conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 25, 2026: +8h
  • Oct 25, 2026 – Mar 28, 2027: +9h
  • Mar 28, 2027 – Oct 20, 2027: +8h

Distance

Porto and Kuroiso are 10,762 km (6,687 miles) apart in a straight line.

More conversions

Kuroiso 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 KuroisoLondon to KuroisoLos Angeles to KuroisoChicago to KuroisoToronto to KuroisoSão Paulo to KuroisoParis to KuroisoBerlin to KuroisoMoscow to KuroisoDubai to KuroisoNew Delhi to KuroisoBangkok to Kuroiso

Questions and answers

What is the time difference between Porto and Kuroiso?

Kuroiso is 8 hours ahead of Porto.

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

When it is 9:00 AM in Porto, it is 5:00 PM in Kuroiso.

When is the best time to call Kuroiso from Porto?

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

Does the time difference between Porto and Kuroiso change?

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