Quick info

Seattle is 18 hours behind Sydney.

🇺🇸Seattle· GMT-7🇦🇺Sydney· GMT+11

24-Hour Timeline

🇺🇸Seattle
--:--:--
16:0018:0020:0022:0000:0001:0003:0005:0007:0009:0011:0013:0015:00
🇦🇺Sydney
--:--:--
10:0012:0014:0016:0018:0020:0022:0000:0002:0004:0006:0008:0010:00
Overlap
Outside Working Hours

2 Overlaps found in the next 24 hours

1Your time: 23:00–02:00
3h window
🇺🇸Seattle16:00–19:00
🇦🇺Sydney10:00–13:00
2Your time: 21:00–23:00(Sun)
2h window
🇺🇸Seattle13:00–15:00 Sun
🇦🇺Sydney08:00–10:00 Mon

Best meeting time between 🇺🇸 Seattle and 🇦🇺 Sydney

This overlap falls mid-workday for Seattle, and early in the workday for Sydney. If the timing isn't quite right, try adjusting the working hours window above to explore other options.

Frequently asked questions

?What is the time difference between Seattle and Sydney?
Seattle is 18 hours behind Sydney. For example, 10:00 in Seattle is 04:00 in Sydney.
?What is the best time to schedule a meeting between Seattle and Sydney?
With a 08:00 – 19:00 workday, the best overlap window is 5h (Seattle / Sydney ).
?Does daylight saving time affect the time difference between Seattle and Sydney?
Yes — Seattle observes DST and Sydney observes DST. The time difference may change by 1 hour during DST transition periods (spring and autumn).