Porto to Kamaishi time converter

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

Porto WEST

Wednesday, October 21, 2026

Kamaishi JST

Thursday, October 22, 2026

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

Porto to Kamaishi conversion table

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

PortoKamaishi
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 Kamaishi).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Oct 25, 2026: +8h
  • Oct 25, 2026 – Mar 28, 2027: +9h
  • Mar 28, 2027 – Oct 21, 2027: +8h

Distance

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

More conversions

Kamaishi 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 KamaishiLondon to KamaishiLos Angeles to KamaishiChicago to KamaishiToronto to KamaishiSão Paulo to KamaishiParis to KamaishiBerlin to KamaishiMoscow to KamaishiDubai to KamaishiNew Delhi to KamaishiBangkok to Kamaishi

Questions and answers

What is the time difference between Porto and Kamaishi?

Kamaishi is 8 hours ahead of Porto.

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

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

When is the best time to call Kamaishi from Porto?

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

Does the time difference between Porto and Kamaishi change?

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