Time difference between Porto and San Diego
Compare the current local time in Porto and San Diego, 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 San Diego's.
Porto working hours
San Diego working hours
Overlap (both working)
🇵🇹 Porto
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🇺🇸 San Diego
Scheduling across Porto and San Diego
Scheduling between Porto and San Diego 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 San Diego's open at 09:00. A call timed to that boundary catches both sides at the edge of their day.
Quick reference
| 🇵🇹 Porto | 🇺🇸 San Diego | In San Diego 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
🇺🇸 San Diego
Currently in PDT (daylight saving)
Clocks go back to PST
on Sunday 1 November 2026