Tokyo to Seattle Time Difference
Seattle is 16 hours behind Tokyo. When it's 10:33:44 PM in Tokyo, it's 06:33:44 AM in Seattle.
How Many Hours Behind Is Seattle From Tokyo?
Seattle is 16 hours behind Tokyo. So Tokyo is 16 hours ahead of Seattle looking the other way — the same gap, described from the other end.
In practice that means a working day in Tokyo starts when it is already 5:00 PM the previous day in Seattle. The gap is not fixed all year: it becomes 17 hours on Sunday, November 1, 2026, when Seattle changes its clocks.
Best Time to Call Tokyo and Seattle
Standard 9-to-5 hours in Tokyo and Seattle never overlap, so someone has to take the call outside their working day. The most workable window is 7:00 AM to 2:00 PM in Tokyo, which is 3:00 PM to 10:00 PM in Seattle.
both at work Tokyo only Seattle only neither — hours shown along the strip are Tokyo local time.
Convert a Specific Time
Pick any date and time in Tokyo to see the exact equivalent in Seattle.
Common Times Converted
Tokyo time on the left, Seattle time on the right.
Tokyo to Seattle: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in Tokyo. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| Tokyo | Seattle | Working hours |
|---|---|---|
| 12:00 AM | 8:00 AM prev day | — |
| 1:00 AM | 9:00 AM prev day | Seattle only |
| 2:00 AM | 10:00 AM prev day | Seattle only |
| 3:00 AM | 11:00 AM prev day | Seattle only |
| 4:00 AM | 12:00 PM prev day | Seattle only |
| 5:00 AM | 1:00 PM prev day | Seattle only |
| 6:00 AM | 2:00 PM prev day | Seattle only |
| 7:00 AM | 3:00 PM prev day | Seattle only |
| 8:00 AM | 4:00 PM prev day | Seattle only |
| 9:00 AM | 5:00 PM prev day | Tokyo only |
| 10:00 AM | 6:00 PM prev day | Tokyo only |
| 11:00 AM | 7:00 PM prev day | Tokyo only |
| 12:00 PM | 8:00 PM prev day | Tokyo only |
| 1:00 PM | 9:00 PM prev day | Tokyo only |
| 2:00 PM | 10:00 PM prev day | Tokyo only |
| 3:00 PM | 11:00 PM prev day | Tokyo only |
| 4:00 PM | 12:00 AM | Tokyo only |
| 5:00 PM | 1:00 AM | — |
| 6:00 PM | 2:00 AM | — |
| 7:00 PM | 3:00 AM | — |
| 8:00 PM | 4:00 AM | — |
| 9:00 PM | 5:00 AM | — |
| 10:00 PM | 6:00 AM | — |
| 11:00 PM | 7:00 AM | — |
Understanding the Tokyo – Seattle Time Difference
Tokyo runs on Asia/Tokyo, currently JST (UTC+9:00). Seattle runs on America/Los_Angeles, currently PDT (UTC-7:00). The gap of 16 hours is simply the distance between those two offsets.
Seattle observes Daylight Saving Time and Tokyo does not, so the gap between them shifts by an hour twice a year. The next shift is on Sunday, November 1, 2026, when Seattle adjusts its clocks and the difference becomes 17 hours. Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in Japan · Daylight Saving Time in the United States.
Tokyo today
Seattle today
Frequently Asked Questions
What is the time difference between Tokyo and Seattle?
Seattle is currently 16 hours behind Tokyo. That gap becomes 17 hours on Sunday, November 1, 2026, when Seattle changes its clocks.
How many hours behind is Seattle from Tokyo?
Seattle is 16 hours behind Tokyo. Looking at it the other way, Tokyo is 16 hours ahead of Seattle.
What time is it in Seattle when it is 9:00 AM in Tokyo?
When it is 9:00 AM in Tokyo, it is 5:00 PM the previous day in Seattle.
Is Seattle ahead of or behind Tokyo?
Seattle is 16 hours behind Tokyo. Tokyo reaches each point in the day first, so Seattle is still getting started while the Tokyo working day is finishing.
What is the best time to call between Tokyo and Seattle?
Standard business hours in Tokyo and Seattle do not overlap at all, so one side has to step outside the 9-to-5. The most workable window is 7:00 AM to 2:00 PM in Tokyo, which is 3:00 PM to 10:00 PM in Seattle.
Does the time difference between Tokyo and Seattle change during the year?
Yes. Seattle observes Daylight Saving Time and Tokyo does not, so the gap between them shifts during the year. It changes to 17 hours on Sunday, November 1, 2026.
What time zones are Tokyo and Seattle in?
Tokyo uses the Asia/Tokyo time zone, currently JST (UTC+9:00). Seattle uses America/Los_Angeles, currently PDT (UTC-7:00).