JST to PST Converter
PST is 16 hours behind JST · PST → JST
Current offset note
The live clocks use today's IANA timezone rules. Right now JST is displaying as GMT+9 (UTC+09:00) and PST is displaying as PDT (UTC-07:00), so this table reflects the current real-world offset.
Meeting planner for JST and PST
Use these notes for recurring calls, handoffs, webinars, and launch timing across both zones.
Current difference
PST is 16 hours behind JST using the current offsets shown by the live clocks.
Workday overlap
There is no standard 9 AM-5 PM overlap, so one side needs an early or late call window.
Recurring meetings
If either zone changes for daylight saving time, recheck the conversion before March-April and October-November meetings.
Quick Reference
| JST | PST |
|---|---|
| Midnight (00:00) | 8:00 AM |
| 6 AM (06:00) | 2:00 PM |
| 9 AM (09:00) | 5:00 PM |
| Noon (12:00) | 8:00 PM |
| 3 PM (15:00) | 11:00 PM |
| 6 PM (18:00) | 2:00 AM |
| 9 PM (21:00) | 5:00 AM |
JST to PST Conversion Table
Green rows indicate overlapping business hours (9 AM – 5 PM) in both zones
| JST (24h) | JST (12h) | PST (24h) | PST (12h) | |
|---|---|---|---|---|
| 00:00 | 12:00 AM | 08:00 | 8:00 AM | prev day |
| 01:00 | 1:00 AM | 09:00 | 9:00 AM | prev day |
| 02:00 | 2:00 AM | 10:00 | 10:00 AM | prev day |
| 03:00 | 3:00 AM | 11:00 | 11:00 AM | prev day |
| 04:00 | 4:00 AM | 12:00 | 12:00 PM | prev day |
| 05:00 | 5:00 AM | 13:00 | 1:00 PM | prev day |
| 06:00 | 6:00 AM | 14:00 | 2:00 PM | prev day |
| 07:00 | 7:00 AM | 15:00 | 3:00 PM | prev day |
| 08:00 | 8:00 AM | 16:00 | 4:00 PM | prev day |
| 09:00 | 9:00 AM | 17:00 | 5:00 PM | prev day |
| 10:00 | 10:00 AM | 18:00 | 6:00 PM | prev day |
| 11:00 | 11:00 AM | 19:00 | 7:00 PM | prev day |
| 12:00 | 12:00 PM | 20:00 | 8:00 PM | prev day |
| 13:00 | 1:00 PM | 21:00 | 9:00 PM | prev day |
| 14:00 | 2:00 PM | 22:00 | 10:00 PM | prev day |
| 15:00 | 3:00 PM | 23:00 | 11:00 PM | prev day |
| 16:00 | 4:00 PM | 00:00 | 12:00 AM | |
| 17:00 | 5:00 PM | 01:00 | 1:00 AM | |
| 18:00 | 6:00 PM | 02:00 | 2:00 AM | |
| 19:00 | 7:00 PM | 03:00 | 3:00 AM | |
| 20:00 | 8:00 PM | 04:00 | 4:00 AM | |
| 21:00 | 9:00 PM | 05:00 | 5:00 AM | |
| 22:00 | 10:00 PM | 06:00 | 6:00 AM | |
| 23:00 | 11:00 PM | 07:00 | 7:00 AM |
About JST and PST
JST — Japan Standard Time
| UTC offset | UTC+09:00 |
| IANA identifier | Asia/Tokyo |
| Abbreviation | JST |
PST — Pacific Standard Time
| UTC offset | UTC-07:00 |
| IANA identifier | America/Los_Angeles |
| Abbreviation | PST |
Major cities: Los Angeles.
Frequently Asked Questions
What is the time difference between JST and PST?
JST (Japan Standard Time) is UTC+09:00, while PST (Pacific Standard Time) is UTC-07:00. PST is 16 hours behind JST. When it’s 12:00 PM (noon) in JST, it’s 8:00 PM in PST (prev day).
When is 9 AM JST in PST?
9:00 AM JST is 5:00 PM PST (prev day). This conversion is useful for scheduling morning meetings or calls across these time zones.
What is the best time to schedule a call between JST and PST?
There are no overlapping standard business hours (9 AM – 5 PM) between JST and PST. One party will need to adjust their schedule. Early morning or late evening calls are typically the best compromise.
Does daylight saving time affect the JST to PST conversion?
Yes, if either time zone observes DST, the offset between them may change by 1 hour during spring and autumn transitions (typically March/April and October/November). The table above shows the current offset. Use the live clocks at the top of this page for real-time accuracy, or check our interactive converter for custom dates.
How do I convert JST to PST manually?
Subtract 16 hours from the JST time. For example, 2:00 PM JST − 16 hours = 10:00 PM PST (prev day). If the result is 24 or more, subtract 24 and add one day. If negative, add 24 and subtract one day.