Time difference
16 hours (Seattle behind). Seattle uses PDT; Tokyo uses JST.
Seattle to Tokyo Time
Seattle is 16 hours behind Tokyo.
Slide through time
- Night
- Morning
- Daytime
- Evening
Tap a city name to search and change it (partial names work). Drag the timeline (12 hours in view, scrolls forever). Keyboard: ← → , PgUp / PgDn 1 hour, Home = now.
Seattle time to Tokyo time
Seattle is 16 hours behind Tokyo. When it is 9:00 AM in Seattle, USA, it is 1:00 AM the next day in Tokyo, Japan. Standard 9 AM to 6 PM working hours overlap for 1 hour: 5:00 PM to 6:00 PM in Seattle (9:00 AM to 10:00 AM in Tokyo).
Working-hours overlap
1 hour of shared 9 AM to 6 PM hours.
Daylight saving
Next change: Sun, Nov 1, 2026 (Seattle).
Seattle to Tokyo time conversion table
| Seattle (PDT) | Tokyo (JST) |
|---|---|
| 12:00 AM | 4:00 PM |
| 1:00 AM | 5:00 PM |
| 2:00 AM | 6:00 PM |
| 3:00 AM | 7:00 PM |
| 4:00 AM | 8:00 PM |
| 5:00 AM | 9:00 PM |
| 6:00 AM | 10:00 PM |
| 7:00 AM | 11:00 PM |
| 8:00 AM | 12:00 AM (next day) |
| 9:00 AM | 1:00 AM (next day) |
| 10:00 AM | 2:00 AM (next day) |
| 11:00 AM | 3:00 AM (next day) |
| 12:00 PM | 4:00 AM (next day) |
| 1:00 PM | 5:00 AM (next day) |
| 2:00 PM | 6:00 AM (next day) |
| 3:00 PM | 7:00 AM (next day) |
| 4:00 PM | 8:00 AM (next day) |
| 5:00 PM | 9:00 AM (next day) |
| 6:00 PM | 10:00 AM (next day) |
| 7:00 PM | 11:00 AM (next day) |
| 8:00 PM | 12:00 PM (next day) |
| 9:00 PM | 1:00 PM (next day) |
| 10:00 PM | 2:00 PM (next day) |
| 11:00 PM | 3:00 PM (next day) |
Daylight saving time
On Sun, Nov 1, 2026, Seattle switches from PDT to PST, so the difference becomes 17 hours (Seattle behind). On Sun, Mar 14, 2027, Seattle switches from PST to PDT, so the difference becomes 16 hours (Seattle behind).
How to use the meeting time converter
- Select either city name and search by city, time zone, abbreviation, or UTC offset.
- Drag the horizontal timeline, or use the arrow and Page Up/Page Down keys, to choose a moment.
- Read the matching time and date for both locations and use the color bands to compare working hours.
Frequently asked questions
What is the time difference between Seattle and Tokyo?
Seattle is 16 hours behind Tokyo. Seattle currently uses PDT and Tokyo uses JST.
When it is 9 AM in Seattle, what time is it in Tokyo?
It is 1:00 AM the next day in Tokyo.
What is the best time for a meeting between Seattle and Tokyo?
Standard 9 AM to 6 PM working hours overlap for 1 hour: 5:00 PM to 6:00 PM in Seattle (9:00 AM to 10:00 AM in Tokyo).
Does daylight saving time affect Seattle and Tokyo?
On Sun, Nov 1, 2026, Seattle switches from PDT to PST, so the difference becomes 17 hours (Seattle behind). On Sun, Mar 14, 2027, Seattle switches from PST to PDT, so the difference becomes 16 hours (Seattle behind).