Time difference between Porto and Seattle
Compare the current local time in Porto and Seattle, 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 Porto's 9:00–17:00 business hours overlap with Seattle's.
Porto working hours
Seattle working hours
Overlap (both working)
🇵🇹 Porto
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🇺🇸 Seattle
Scheduling across Porto and Seattle
Scheduling between Porto and Seattle is hard. Their standard business hours do not overlap on the same day, but the two working days meet at a single point: Porto's close at 17:00 coincides exactly with Seattle's open at 09:00. A call timed to that boundary catches both sides at the edge of their day.
Quick reference
| 🇵🇹 Porto | 🇺🇸 Seattle | In Seattle 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
🇵🇹 Porto
Currently in WEST (daylight saving)
Clocks go back to GMT
on Sunday 25 October 2026
🇺🇸 Seattle
Currently in PDT (daylight saving)
Clocks go back to PST
on Sunday 1 November 2026