Porto to Kisai time converter

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

Porto WEST

Tuesday, October 20, 2026

Kisai JST

Tuesday, October 20, 2026

Portugal
Tue, Oct 20
WESTUTC+1
Japan
Tue, Oct 20
JSTUTC+9+8h
Finding your time zone…

11:22 AM in Porto, Tuesday, October 20, 2026

Shared working hours (9:00–18:00)

Porto to Kisai conversion table

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

PortoKisai
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 Kisai).

Daylight saving time and the difference

The difference changes during the year because Porto and Kisai 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 Kisai are 10,834 km (6,732 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Porto and Kisai?

Kisai is 8 hours ahead of Porto.

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

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

When is the best time to call Kisai from Porto?

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

Does the time difference between Porto and Kisai change?

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