Time difference between Perth and San Diego
Compare the current local time in Perth 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 Perth's 9:00–17:00 business hours overlap with San Diego's.
Perth working hours
San Diego working hours
Overlap (both working)
🇦🇺 Perth
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🇺🇸 San Diego
Scheduling across Perth and San Diego
Scheduling between Perth and San Diego is hard. Their standard business hours do not overlap on the same day, with the smallest gap running 1 hour between San Diego closing at 17:00 local and Perth opening at 09:00 local. Practical bridging slots: an early Perth start at 08:00 (catching San Diego just at close, 17:00), or a late San Diego call at 18:00 (catching Perth at opening, 09:00).
Quick reference
| 🇦🇺 Perth | 🇺🇸 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
🇦🇺 Perth
Perth does not observe daylight saving time. The local offset is fixed year-round.
🇺🇸 San Diego
Currently in PDT (daylight saving)
Clocks go back to PST
on Sunday 1 November 2026