Time difference between Okinawa and Porto
Compare the current local time in Okinawa and Porto, see when your working hours overlap, and convert any specific hour between the two timezones.
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Convert a specific time
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Working-hours overlap
When Okinawa's 9:00–17:00 business hours overlap with Porto's.
Okinawa working hours
Porto working hours
Overlap (both working)
🇯🇵 Okinawa
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🇵🇹 Porto
Scheduling across Okinawa and Porto
Scheduling between Okinawa and Porto is hard. Their standard business hours do not overlap on the same day, but the two working days meet at a single point: Okinawa's close at 17:00 coincides exactly with Porto's open at 09:00. A call timed to that boundary catches both sides at the edge of their day.
Quick reference
| 🇯🇵 Okinawa | 🇵🇹 Porto | In Porto it's… |
|---|---|---|
| 06:00 — Early morning | — | — |
| 09:00 — Start of work | — | — |
| 12:00 — Lunchtime | — | — |
| 15:00 — Mid-afternoon | — | — |
| 17:00 — End of work | — | — |
| 20:00 — Evening | — | — |
Daylight saving status
🇯🇵 Okinawa
Okinawa does not observe daylight saving time. The local offset is fixed year-round.
🇵🇹 Porto
Currently in WEST (daylight saving)
Clocks go back to GMT
on Sunday 25 October 2026