Seattle to Sydney Time Converter
Convert Seattle to Sydney instantly.
Scroll the timeline to check any hour of the day.
Seattle
PST
1:27
Sydney
AEST
6:27
Seattle is on daylight savings (PDT), while Sydney is on standard time (AEST) right now.
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How the Seattle to Sydney time difference works
Sydney is 17 hours ahead of Seattle. Seattle (PST) is a city in United States. Sydney (AEST) is a city in Australia. For example, 9:00 AM Seattle is 2:00 AM Sydney. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
17 hours
Daylight saving
Both observe
Seattle offset
UTC-8
Sydney offset
UTC+10
Seattle to Sydney conversion chart
| Seattle (PST) | Sydney (AEST) |
|---|---|
| 12:00 AM | 5:00 PM |
| 1:00 AM | 6:00 PM |
| 2:00 AM | 7:00 PM |
| 3:00 AM | 8:00 PM |
| 4:00 AM | 9:00 PM |
| 5:00 AM | 10:00 PM |
| 6:00 AM | 11:00 PM |
| 7:00 AM | 12:00 AM +1 day |
| 8:00 AM | 1:00 AM +1 day |
| 9:00 AM | 2:00 AM +1 day |
| 10:00 AM | 3:00 AM +1 day |
| 11:00 AM | 4:00 AM +1 day |
| 12:00 PM | 5:00 AM +1 day |
| 1:00 PM | 6:00 AM +1 day |
| 2:00 PM | 7:00 AM +1 day |
| 3:00 PM | 8:00 AM +1 day |
| 4:00 PM | 9:00 AM +1 day |
| 5:00 PM | 10:00 AM +1 day |
| 6:00 PM | 11:00 AM +1 day |
| 7:00 PM | 12:00 PM +1 day |
| 8:00 PM | 1:00 PM +1 day |
| 9:00 PM | 2:00 PM +1 day |
| 10:00 PM | 3:00 PM +1 day |
| 11:00 PM | 4:00 PM +1 day |
Cities in each time zone
Seattle (PST)
San FranciscoSanta BarbaraSan DiegoSacramentoFresnoBakersfield
Sydney (AEST)
CanberraAustralian Eastern Time
Seattle to Sydney questions
Is Sydney ahead of or behind Seattle?
Sydney is 17 hours ahead of Seattle. So 9:00 AM Seattle is 2:00 AM Sydney, and 5:00 PM Seattle is 10:00 AM Sydney.
What time is it in Sydney when it is 12:00 PM Seattle?
When it is 12:00 PM (noon) Seattle in Seattle, it is 5:00 AM Sydney in Sydney.
How many hours difference is there between Seattle and Sydney?
There is a 17 hours difference. Sydney (AEST) runs 17 hours ahead of Seattle (PST).
Do Seattle and Sydney observe daylight saving time?
Both Seattle and Sydney observe daylight saving time, but they switch on different dates, so the gap briefly shifts by an hour around the spring and autumn changeovers.
What is the best time to schedule a meeting between Seattle and Sydney?
A standard 9-to-5 workday in Seattle and Sydney does not overlap, so pick the early morning in the later zone or the late evening in the earlier zone.
Which cities use Seattle and Sydney?
Seattle (PST) covers cities such as San Francisco, Santa Barbara, San Diego, Sacramento, Fresno, Bakersfield. Sydney (AEST) covers cities such as Canberra, Australian Eastern Time.