Time difference between Newcastle and Seattle
Compare the current local time in Newcastle 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 Newcastle's 9:00–17:00 business hours overlap with Seattle's.
Newcastle working hours
Seattle working hours
Overlap (both working)
🇦🇺 Newcastle
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🇺🇸 Seattle
Scheduling across Newcastle and Seattle
Scheduling between Newcastle and Seattle is workable but tight. Only 1 hour of standard business hours overlap each day, from 09:00 to 10:00 in Newcastle (16:00 to 17:00 in Seattle). Recurring meetings often settle within this narrow window.
Quick reference
| 🇦🇺 Newcastle | 🇺🇸 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
🇦🇺 Newcastle
Currently in AEST (standard time)
Clocks go forward to AEDT
on Saturday 3 October 2026
🇺🇸 Seattle
Currently in PDT (daylight saving)
Clocks go back to PST
on Sunday 1 November 2026