Meeting time

Best time to meet: Seattle and Adelaide

Seattle is 18 hours 30 minutes behind Adelaide right now. Their working days overlap for 2 hours 30 minutes: 2:30 PM to 5 PM in Seattle, which is 9 AM to 11:30 AM in Adelaide. The easiest time to meet is 3:30 PM in Seattle (10 AM in Adelaide).

Tue 7:54 AMSeattle · Pacific Standard TimeWed 2:24 AMAdelaide · Australian Central Daylight Time

Hour by hour

With the clocks as they are on November 10, 2026, Seattle time on the left. A working day here is 9 AM to 5 PM.

SeattleAdelaide
6 AM12:30 AM next dayBoth off
7 AM1:30 AM next dayBoth off
8 AM2:30 AM next dayBoth off
9 AM3:30 AM next daySeattle at work
10 AM4:30 AM next daySeattle at work
11 AM5:30 AM next daySeattle at work
12 PM6:30 AM next daySeattle at work
1 PM7:30 AM next daySeattle at work
2 PM8:30 AM next daySeattle at work
3 PM9:30 AM next dayBoth at work
4 PM10:30 AM next dayBoth at work
5 PM11:30 AM next dayAdelaide at work
6 PM12:30 PM next dayAdelaide at work
7 PM1:30 PM next dayAdelaide at work
8 PM2:30 PM next dayAdelaide at work
9 PM3:30 PM next dayAdelaide at work
10 PM4:30 PM next dayAdelaide at work

When the clocks change

The gap moves when either city changes its clocks. The next twelve months:

DatesSeattle isBoth at work (Seattle time)Easiest (Seattle / Adelaide)
Now to March 14, 202718 hours 30 minutes behind2:30 PM–5 PM (2 hours 30 minutes)3:30 PM / 10 AM
March 14, 2027 to April 4, 2027
clocks in Seattle go forward
17 hours 30 minutes behind3:30 PM–5 PM (1 hour 30 minutes)4 PM / 9:30 AM
April 4, 2027 to October 3, 2027
clocks in Adelaide go back
16 hours 30 minutes behind4:30 PM–5 PM (30 minutes)4:30 PM / 9 AM
October 3, 2027 to November 7, 2027
clocks in Adelaide go forward
17 hours 30 minutes behind3:30 PM–5 PM (1 hour 30 minutes)4 PM / 9:30 AM
November 7, 2027 onward
clocks in Seattle go back
18 hours 30 minutes behind2:30 PM–5 PM (2 hours 30 minutes)3:30 PM / 10 AM

Seattle keeps the same clock as San Francisco.

Questions people ask

What time is it in Adelaide when it is 9 AM in Seattle?
3:30 AM in Adelaide, the next day, while Seattle is 18 hours 30 minutes behind.
When is the best time for a call between Seattle and Adelaide?
3:30 PM in Seattle, which is 10 AM in Adelaide. Both cities are at work from 2:30 PM to 5 PM Seattle time.
Does the time difference between Seattle and Adelaide change during the year?
Yes — it changes 4 times in the next twelve months, when the clocks go forward or back; the dates are in the table above.

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