Porto to Okinawa time converter

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

Porto WEST

Tuesday, October 20, 2026

Okinawa JST

Wednesday, October 21, 2026

Portugal
Tue, Oct 20
WESTUTC+1
Japan
Wed, Oct 21
JSTUTC+9+8h
Finding your time zone…

5:16 PM in Porto, Tuesday, October 20, 2026

Shared working hours (9:00–18:00)

Porto to Okinawa conversion table

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

PortoOkinawa
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 Okinawa).

Daylight saving time and the difference

The difference changes during the year because Porto and Okinawa 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 Okinawa are 11,270 km (7,003 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Porto and Okinawa?

Okinawa is 8 hours ahead of Porto.

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

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

When is the best time to call Okinawa from Porto?

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

Does the time difference between Porto and Okinawa change?

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