Kamaishi to Porto time converter

Porto is 8 hours behind Kamaishi. When it is 9:00 AM in Kamaishi, it is 1:00 AM in Porto.

Kamaishi JST

Thursday, October 22, 2026

Porto WEST

Wednesday, October 21, 2026

Kamaishi
Japan
Thu, Oct 22
JSTUTC+9
Porto
Portugal
Wed, Oct 21
WESTUTC+1-8h
Finding your time zone…
Shared working hours (9:00–18:00)

Kamaishi to Porto conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 22, 2026 – Oct 25, 2026: -8h
  • Oct 25, 2026 – Mar 28, 2027: -9h
  • Mar 28, 2027 – Oct 22, 2027: -8h

Distance

Kamaishi and Porto are 10,586 km (6,578 miles) apart in a straight line.

More conversions

Porto to KamaishiKamaishi to New YorkKamaishi to LondonKamaishi to Los AngelesKamaishi to ChicagoKamaishi to TorontoKamaishi to São PauloKamaishi to ParisKamaishi to BerlinKamaishi to MoscowKamaishi to DubaiKamaishi to New DelhiKamaishi 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 Kamaishi and Porto?

Porto is 8 hours behind Kamaishi.

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

When it is 9:00 AM in Kamaishi, it is 1:00 AM in Porto.

When is the best time to call Porto from Kamaishi?

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

Does the time difference between Kamaishi 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.