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Seattle to Sydney: Time Difference & Best Time to Meet

The hours that work for both Seattle and Sydney are 3:00 PM to 6:00 PM (Seattle) and 8:00 AM to 11:00 AM (Sydney). Roughly 3 hours of shared hours means scheduling takes a little care — 3:00 PM in Seattle / 8:00 AM in Sydney is a safe default. Just remember Sydney sits on the next day during this window, so double-check which calendar day you're booking. To edit hours, add more timezones, and share with your team, create a free collaborative board.

UTC (GMT+0)
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
Seattle
America/Los Angeles
5pm
6pm
7pm
8pm
9pm
10pm
Previous Day
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
Sydney
Australia/Sydney
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
Next Day
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am

Frequently Asked Questions

What is the time difference between Sydney and Seattle?
Seattle is 17 hours behind Sydney.
What are the best overlapping working hours between Sydney and Seattle?
The best time to meet is between 8:00 AM to 11:00 AM in Sydney, which corresponds to 3:00 PM to 6:00 PM in Seattle.
How many hours overlap between Sydney and Seattle during a typical workday?
There are about 3 overlapping hours per day.
Does Daylight Saving Time affect the time difference between Sydney and Seattle?
Both Sydney and Seattle observe Daylight Saving Time. However, if their DST transition dates differ, the time difference may temporarily change during those periods.

Explore Related Timezones

Other overlaps with Sydney

Related Reading

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