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