Real-time conversion
Handles daylight saving
No data sent anywhere
Free, always
The time difference is 17 hours PST is ahead.
| JST (Tokyo) | PST (Los Angeles) |
|---|---|
| 10:00 AM JST | 5:00 PM PST (previous day) |
| 3:00 PM JST | 10:00 PM PST (previous day) |
| 9:00 PM JST | 4:00 AM PST |
Enter or select a time in JST (Tokyo)
The tool instantly calculates the corresponding PST (Los Angeles) time
Copy the result or adjust the input for other times
No registration or installation required — everything runs in your browser
The standard time difference between JST and PST is 17 hours, with PST ahead.
Note: During daylight saving time transitions, the difference may temporarily differ by an hour. Times automatically adjust based on the date and applicable time zone rules from the IANA Time Zone Database.
PST is 17 hours behind JST, shifting by an hour around daylight-saving changes. 100% free, no registration, and fully private — every conversion happens in your browser.
Uses the IANA database for Asia/Tokyo and America/Los_Angeles, so daylight saving is applied automatically — no manual offset math.
Convert JST to PST the moment you pick a time. No signup, no ads in your way, nothing to install.
Spot the wide 17 hours gap between Tokyo and Los Angeles so you can plan async or off-hours calls.
Every conversion runs locally in your browser using your device clock. Your dates and times never touch a server.
Reverse conversion
From Japan Standard Time
From Japan Standard Time
To Pacific Time
To Pacific Time
To Pacific Time
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