Katagami to Porto time converter

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

Katagami JST

Tuesday, October 20, 2026

Porto WEST

Monday, October 19, 2026

Katagami
Japan
Tue, Oct 20
JSTUTC+9
Porto
Portugal
Mon, Oct 19
WESTUTC+1-8h
Finding your time zone…
Shared working hours (9:00–18:00)

Katagami to Porto conversion table

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

KatagamiPorto
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 Katagami (9:00 AM – 10:00 AM in Porto).

Daylight saving time and the difference

The difference changes during the year because Katagami and Porto 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

Katagami and Porto are 10,463 km (6,501 miles) apart in a straight line.

More conversions

Porto to KatagamiKatagami to New YorkKatagami to LondonKatagami to Los AngelesKatagami to ChicagoKatagami to TorontoKatagami to São PauloKatagami to ParisKatagami to BerlinKatagami to MoscowKatagami to DubaiKatagami to New DelhiKatagami 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 Katagami and Porto?

Porto is 8 hours behind Katagami.

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

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

When is the best time to call Porto from Katagami?

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

Does the time difference between Katagami 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.