Seattle to Osaka — Time Difference
Live clocks · Full 24-hour table · United States → Japan
Time Difference: Seattle vs Osaka
Osaka is 16 hours ahead of Seattle. Seattle is in Pacific Daylight Time (PDT, UTC-7) and Osaka is in Japan Standard Time (GMT+9, UTC+9).
Use the table below to find the equivalent Osaka time for any hour in Seattle. Click any row to see the full conversion page for that hour.
Business Hours — Seattle to Osaka
"Good" = both cities within business hours (9 AM–5 PM)
Full 24-Hour Table — Seattle to Osaka
Frequently Asked Questions
What is the time difference between Seattle and Osaka?
Osaka is 16 hours ahead of Seattle. Seattle uses Pacific Daylight Time (PDT, UTC-7) and Osaka uses Japan Standard Time (GMT+9, UTC+9).
What time is it in Osaka when it is 9 AM in Seattle?
9 AM in Seattle (PDT) equals 1 AM in Osaka (GMT+9) (next day).
Is Seattle ahead or behind Osaka?
Osaka is 16 hours ahead of Seattle.
What is the best time to call from Seattle to Osaka?
The best time to call from Seattle to Osaka is between 5 PM–5 PM Seattle time, when Osaka is also within normal working hours (9 AM–5 PM).
Time Zones
Seattle
Pacific Daylight Time
PDT · UTC-7
Osaka
Japan Standard Time
GMT+9 · UTC+9
Reverse Conversion
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