Tokyo to Seattle Time Difference
Seattle is 16 hours behind Tokyo. When it is noon in Tokyo, it is 20:00 in Seattle.
Tokyo (UTC+9) → Los Angeles (UTC-7)
Tokyo (JST, UTC+9) observes no Daylight Saving Time. Seattle uses PST (UTC−8) in winter and PDT (UTC−7) in summer, making the gap either 17 or 16 hours. Japan's technology sector maintains strong ties with Seattle's aerospace, gaming, and cloud computing industries.
🕐 Interactive Time Explorer
When it's 23:00 in Tokyo, it's 07:00 in Seattle
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Tokyo & Seattle◐ Extended Hours (7 hours)
✈️ Travel Information
Distance
7,697 km
Est. Flight Time
~10.1h
Time Difference
-16h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Tokyo
14:00
Seattle (-1)
09:00
Tokyo
17:00
Seattle (-1)
12:00
Tokyo
20:00
Seattle (-1)
15:00
Tokyo
23:00
Seattle (-1)
18:00
Tokyo
02:00
Seattle
21:00
Tokyo
05:00
Seattle
00:00
Tokyo
08:00
Seattle (-1)
03:00
Tokyo
11:00
Seattle (-1)
Frequently Asked Questions
How many hours is Tokyo ahead of Seattle?
Seattle is 16 hours behind Tokyo. When it is 12:00 noon in Tokyo, it is 20:00 in Seattle. Tokyo operates on Asia/Tokyo (UTC+9), while Seattle uses America/Los Angeles (UTC-7).
What is the best time to call Seattle from Tokyo?
Standard business hours (9 AM–5 PM) do not overlap between Tokyo and Seattle due to the 16 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Tokyo to Seattle time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Tokyo and Seattle
The distance between Tokyo and Seattle is approximately 7,697 km. A direct flight typically takes around 10.1 hours. Your arrival clock will show local Seattle time — use our Flight Time Calculator to predict exact arrival times.