Seattle vs. Sydney time difference

Time Difference › Seattle and Sydney
Time Difference: 18 hours

Seattle time

Sydney time

PDT (UTC -7)
Mon 01:35 am

AEDT (UTC +11)
Mon 07:35 pm

7 am1:00 am next day
9 am3:00 am next day
11 am5:00 am next day
1 pm7:00 am next day
3 pm9:00 am next day
5 pm11:00 am next day
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Time difference between Seattle Washington and Sydney Australia is 18:0 hours

Seattle, Washington, USA is 18 hours behind Sydney, NSW, Australia
1:35 am Monday, in Seattle, Washington, USA is
7:35 pm Monday, in Sydney, NSW, Australia
See distance from Seattle to Sydney

Both Seattle and Sydney observe DST.
Seattle - Sydney time difference changes according to the date DST begins and ends in these two cities.

Seattle and Sydney time difference changes (based on dates DST begins and ends):
DateTime difference
10 March 2019 to 06 October 201917:0 hours
06 October 2019 to 03 November 201918:0 hours
03 November 2019 to 05 April 202019:0 hours

Seattle Sydney Time Converter