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

The optimal meeting window within standard business hours (9:00 AM – 5:00 PM) is 9:00 AM - 12:00 PM in Sydney, which corresponds to 3:00 PM - 6:00 PM in Seattle (3 shared working hours).

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

The direct geodesic distance is approximately 12,470 km (7,748 miles). An estimated non-stop commercial flight takes approximately ~15h 42m.

Live Real-Time Sync

DST Observed

SYD (AEST/AEDT UTC+10) → SEA (PST/PDT UTC-8)

Sydney to Seattle Time Difference

Instant Answer

⇄ Swap: Seattle to Sydney

“Seattle is 18 hours behind Sydney. When it is 12:00 PM in Sydney, it is 6:00 PM in Seattle.”

Direct Distance

12,470 km

7,748 miles

Flight Time

~15h 42m

Non-stop estimate

Business Overlap

3 Hours

9:00 AM - 12:00 PM

User Rating

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1,420 Verified Votes

Calendar note: Standard Monday – Friday business week alignment.

Sydney

Australia

12:00:00 PM

Australia/Sydney • UTC+10

Seattle

United States

08:00:00 PM

America/Los_Angeles • UTC-8

Interactive Meeting & Time Converter

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

Sydney:14:00 (2:00 PM)20:00 (8:00 PM)(-1 Day)

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

Outside regular business hours in one or both cities

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24-Hour Time Conversion Table (Sydney vs Seattle)

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

Popular Global Time Difference Routes

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doha → sydney sydney → doha frankfurt → istanbul istanbul → frankfurt paris → ankara ankara → paris oslo → istanbul istanbul → oslo london → new york new york → london tokyo → london london → tokyo los angeles → london london → los angeles dubai → london london → dubai

Frequently Asked Questions

Common Questions About Sydney to Seattle

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

Seattle is 18 hours behind Sydney. When it is 12:00 PM in Sydney, it is 6:00 PM in Seattle. Both cities follow their respective regional timezones (Australia/Sydney UTC+10 and America/Los_Angeles UTC-8).