Porto to Okayama time converter

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

Porto WEST

Tuesday, October 20, 2026

Okayama JST

Wednesday, October 21, 2026

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

Porto to Okayama conversion table

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

PortoOkayama
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 Okayama).

Daylight saving time and the difference

The difference changes during the year because Porto and Okayama 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 Okayama are 10,759 km (6,685 miles) apart in a straight line.

More conversions

Okayama 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 OkayamaLondon to OkayamaLos Angeles to OkayamaChicago to OkayamaToronto to OkayamaSão Paulo to OkayamaParis to OkayamaBerlin to OkayamaMoscow to OkayamaDubai to OkayamaNew Delhi to OkayamaBangkok to Okayama

Questions and answers

What is the time difference between Porto and Okayama?

Okayama is 8 hours ahead of Porto.

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

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

When is the best time to call Okayama from Porto?

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

Does the time difference between Porto and Okayama change?

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