Seattle to Sydney Time Converter
Sydney is +17h ahead of Seattle
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FROM
Seattle
United States
UTC-07:00
TO
Sydney
Australia
UTC+10:00
Date-aware conversion
Convert a specific date and time
Result
Wed, May 27, 2026 11:39
Seattle: Tuesday, May 26, 2026 6:39 PM PDT to Sydney: Wednesday, May 27, 2026 11:39 AM GMT+10.
Sydney is 17h ahead of Seattle on this date
24-Hour Comparison
Every hour in Seattle and the corresponding time in Sydney. Green rows indicate business hours in Sydney.
Time zones
Seattle uses America/Los_Angeles (PDT) and Sydney uses Australia/Sydney (GMT+10). The difference can shift during daylight saving changes, so checking the exact date matters.
Best use
Use the green rows to spot normal working hours in Sydney. For teams across more cities, open the meeting planner and compare up to five locations.
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Best time for Seattle and Sydney
The easiest overlap starts around 4:00 PM and runs through 5:00 PM in the source city, while the destination city is also inside normal working hours. For important calls, check the meeting date because the offset can change when either location enters or leaves daylight saving time.
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City context
About these cities
About Seattle
Seattle is located in United States (North America). It uses the America/Los_Angeles timezone with a standard offset of UTC-07:00. It observes DST, switching between PST and PDT. See the full Seattle time page for live clock and planning details.
About Sydney
Sydney is located in Australia (Oceania). It uses the Australia/Sydney timezone with a standard offset of UTC+10:00. It observes DST, switching between AEST and AEDT. See the full Sydney time page for live clock and planning details.
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