What is the best time for a video call between Seattle and Perth?

The optimal meeting window within standard business hours (9:00 AM – 5:00 PM) is 5:00 PM - 6:00 PM in Seattle, which corresponds to 9:00 AM - 10:00 AM in Perth (1 shared working hours).

What is the flight time and direct distance between Seattle and Perth?

The direct geodesic distance is approximately 14,880 km (9,246 miles). An estimated non-stop commercial flight takes approximately ~18h 39m.

Live Real-Time Sync

DST Observed

SEA (PST/PDT UTC-8) → PER (UTC UTC+8)

Seattle to Perth Time Difference

Instant Answer

⇄ Swap: Perth to Seattle

“Perth is 16 hours ahead of Seattle. When it is 12:00 PM in Seattle, it is 4:00 AM in Perth.”

Direct Distance

14,880 km

9,246 miles

Flight Time

~18h 39m

Non-stop estimate

Business Overlap

1 Hours

5:00 PM - 6:00 PM

User Rating

4.9 / 5.0

1,420 Verified Votes

Calendar note: Standard Monday – Friday business week alignment.

Seattle

United States

12:00:00 PM

America/Los_Angeles • UTC-8

Perth

Australia

08:00:00 PM

Australia/Perth • UTC+8

Interactive Meeting & Time Converter

Drag the time slider to coordinate working hours and schedule meetings across time zones.

Seattle:14:00 (2:00 PM)06:00 (6:00 AM)(+1 Day)

00:00 (Midnight)06:00 (Morning)12:00 (Noon)18:00 (Evening)23:00 (Night)

⚠️ Sleeping hours in Perth (6:00 AM)

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24-Hour Time Conversion Table (Seattle vs Perth)

Seattle (SEA)	Perth (PER)	Overlap Window
00:00	16:00	Off Hours
01:00	17:00	Off Hours
02:00	18:00	Off Hours
03:00	19:00	Off Hours
04:00	20:00	Off Hours
05:00	21:00	Off Hours
06:00	22:00	Off Hours
07:00	23:00	Off Hours
08:00	00:00	Off Hours
09:00	01:00	Off Hours
10:00	02:00	Off Hours
11:00	03:00	Off Hours
12:00	04:00	Off Hours
13:00	05:00	Off Hours
14:00	06:00	Off Hours
15:00	07:00	Off Hours
16:00	08:00	Off Hours
17:00	09:00	Work Hours Overlap
18:00	10:00	Off Hours
19:00	11:00	Off Hours
20:00	12:00	Off Hours
21:00	13:00	Off Hours
22:00	14:00	Off Hours
23:00	15:00	Off Hours

Popular Global Time Difference Routes

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Frequently Asked Questions

Common Questions About Seattle to Perth

Everything you need to know regarding specifications, syntax, and security best practices.

Perth is 16 hours ahead of Seattle. When it is 12:00 PM in Seattle, it is 4:00 AM in Perth. Both cities follow their respective regional timezones (America/Los_Angeles UTC-8 and Australia/Perth UTC+8).