Porto to Kumamoto time converter

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

Porto WEST

Tuesday, October 20, 2026

Kumamoto JST

Wednesday, October 21, 2026

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

Porto to Kumamoto conversion table

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

PortoKumamoto
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 Kumamoto).

Daylight saving time and the difference

The difference changes during the year because Porto and Kumamoto 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 Kumamoto are 10,795 km (6,708 miles) apart in a straight line.

More conversions

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New York to KumamotoLondon to KumamotoLos Angeles to KumamotoChicago to KumamotoToronto to KumamotoSão Paulo to KumamotoParis to KumamotoBerlin to KumamotoMoscow to KumamotoDubai to KumamotoNew Delhi to KumamotoBangkok to Kumamoto

Questions and answers

What is the time difference between Porto and Kumamoto?

Kumamoto is 8 hours ahead of Porto.

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

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

When is the best time to call Kumamoto from Porto?

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

Does the time difference between Porto and Kumamoto change?

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