The short answer

9am in Seattle is 2am in Australian Eastern Standard Time on the next day.

Seattle is 17 hours behind Australian Eastern Standard Time. It lands deep outside working hours in Australian Eastern Standard Time — see the best time to meet below for a friendlier slot.

Seattle
9am
Australian Eastern Standard Time
2am
next day
Right now
10amPDT · UTC-07:00 · Wed, Jun 24
3amAEST · UTC+10:00 · Thu, Jun 25
Read across to convert
Seattle
PDT · UTC-07:00
10am ☀
Australian Eastern Standard Time
AEST · UTC+10:00
3am ☾
Pinned9amSeattle=2amAustralian Eastern Standard Time · Thu (next day)
12amWed
5pm
1am
6pm
2am
7pm
3am
8pm
4am
9pm
5am
10pm
6am
11pm
7am
12amThu ·+1d
8am
1amThu ·+1d
PINNED
9am
WORK
2amThu ·+1d
NOW
10am
WORK
3amThu ·+1d
11am
WORK
4amThu ·+1d
12pm
WORK
5amThu ·+1d
1pm
WORK
6amThu ·+1d
2pm
WORK
7amThu ·+1d
3pm
WORK
8amThu ·+1d
4pm
WORK
9amThu ·+1d
WORK
5pm
10amThu ·+1d
WORK
6pm
11amThu ·+1d
WORK
7pm
12pmThu ·+1d
WORK
8pm
1pmThu ·+1d
WORK
9pm
2pmThu ·+1d
WORK
10pm
3pmThu ·+1d
WORK
11pm
4pmThu ·+1d
WORK
daylightnightworking hoursoverlap
Best time to meet
Best for a call
Seattle
4pm–5pm
=
Australian Eastern Standard Time
9am–10am
next day
Popular conversions

Quick reference.

9amSeattle=2amAustralian Eastern Standard Time · next day
12pmSeattle=5amAustralian Eastern Standard Time · next day
3pmSeattle=8amAustralian Eastern Standard Time · next day
5pmSeattle=10amAustralian Eastern Standard Time · next day
9pmSeattle=2pmAustralian Eastern Standard Time · next day
In context

What each side covers.

Seattle
PDT · UTC-07:00
10am
Cities on this clock

Frequently asked

Quick answers about converting between Seattle and Australian Eastern Standard Time. Can't find what you need? Email [email protected].

What is the time difference between Seattle and Australian Eastern Standard Time?
Seattle is 17 hours behind Australian Eastern Standard Time right now. We always show the live, daylight-saving-correct difference, so this figure already accounts for whichever side is observing summer time today.
When it's 9am in Seattle, what time is it in Australian Eastern Standard Time?
9am in Seattle is 2am in Australian Eastern Standard Time on the next day. It lands deep outside working hours in Australian Eastern Standard Time — see the best time to meet below for a friendlier slot. Use the hour-by-hour table above to read any other time across.
What's the best time for a call between Seattle and Australian Eastern Standard Time?
4pm–5pm in Seattle lines up with 9am–10am in Australian Eastern Standard Time the next day — both sides are inside a 9-to-5 working day.
Does this account for daylight saving time?
Yes. We track every clock change in both places, so the abbreviations you see — PDT and AEST — are the ones actually in effect right now, not a fixed all-year value. When either side changes its clocks, this page updates automatically.
Why is the date sometimes different on each side?
When two places are far enough apart, the same moment can fall on different calendar days. That is why some conversions are marked "previous day" or "next day" — it is the same instant in time, read off two clocks that crossed midnight at different points.