Seattle Time to JST Converter
JST is 17 hours ahead of PST. 9:00 AM PST = 2:00 AM JST (next day).
JST is 17 hours ahead of PST at the moment. To convert Seattle Time to JST, add 17 hours to the Seattle Time time: 9:00 AM PST = 2:00 AM JST (next day).
Seattle Time (Seattle time) is used in Seattle, USA. JST (Japan Time) is used in Japan.
Seattle Time to JST time conversion table
Seattle Time to JST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Seattle Time | JST |
|---|---|
| 12:00 AM | 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 | 12:00 AM+1 |
| Seattle Time | JST |
|---|---|
| 8:00 AM | 1:00 AM+1 |
| 9:00 AM | 2:00 AM+1 |
| 10:00 AM | 3:00 AM+1 |
| 11:00 AM | 4:00 AM+1 |
| 12:00 PM | 5:00 AM+1 |
| 1:00 PM | 6:00 AM+1 |
| 2:00 PM | 7:00 AM+1 |
| 3:00 PM | 8:00 AM+1 |
| Seattle Time | JST |
|---|---|
| 4:00 PM | 9:00 AM+1 |
| 5:00 PM | 10:00 AM+1 |
| 6:00 PM | 11:00 AM+1 |
| 7:00 PM | 12:00 PM+1 |
| 8:00 PM | 1:00 PM+1 |
| 9:00 PM | 2:00 PM+1 |
| 10:00 PM | 3:00 PM+1 |
| 11:00 PM | 4:00 PM+1 |
Conversion table from Seattle Time to JST for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in JST, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert Seattle Time to JST
Add 17 hours to the Seattle Time time to get JST.
Example: 9:00 AM PST = 2:00 AM JST (next day).
Across midnight: 10:00 PM PST = 3:00 PM JST (next day). The date changes, so always check the day as well as the hour.
Time difference between Seattle Time and JST
The time difference between Seattle Time and JST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 31 Dec 2025 – 7 Mar 2026: JST is 17 hours ahead of Seattle Time.
- 8 Mar 2026 – 31 Oct 2026: JST is 16 hours ahead of Seattle Time.
- 1 Nov 2026 – 30 Dec 2026: JST is 17 hours ahead of Seattle Time.
Seattle Time and JST during daylight saving time
- Seattle Time next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from PST (UTC−8) to PDT (UTC−7).
- JST does not observe daylight saving time; it stays on UTC+9 all year.
Best time for a meeting between Seattle Time and JST
Seattle Time and JST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 2:00 PM PST, which is 7:00 AM JST.
Seattle Time to JST FAQ
What is the time difference between Seattle Time and JST?
Right now JST is 17 hours ahead of PST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Seattle Time in JST?
9:00 AM PST is 2:00 AM JST (next day).
What is 12 PM (noon) Seattle Time in JST?
12:00 PM PST is 5:00 AM JST (next day).
Is JST ahead of or behind Seattle Time?
JST is 17 hours ahead of PST, so it is later in JST than in Seattle Time.
Does Seattle Time change for daylight saving time?
Yes. Seattle Time next changes on 14 Mar 2027, when clocks go forward one hour from PST to PDT.
Does JST change for daylight saving time?
No. JST stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between Seattle Time and JST?
Seattle Time and JST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 2:00 PM PST, which is 7:00 AM JST.
Related conversions
Convert JST to Seattle Time
Convert Seattle Time to other time zones
Convert other time zones to JST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.