PST to JST Converter
Understanding PST and JST Time Zones
Pacific Standard Time (PST)
Pacific Standard Time is observed in undefined and uses the offset UTC-8. Major cities in this time zone include Los Angeles, San Francisco, Seattle, Portland. This time zone serves a significant global region with important economic and cultural hubs.
Japan Standard Time (JST)
Japan Standard Time operates at UTC+9, covering undefined. Key cities include Tokyo, Osaka, Yokohama. The 17-hour forward offset from PST means that when professionals in Los Angeles start their workday at 9:00 AM, it is already 2:00 AM in Tokyo.
PST is also commonly referred to as Pacific Time, PT, West Coast time, LA time, California time. JST is also known as Japan time, Tokyo time, Japanese time. So if you are searching for Pacific Time to Japan time, this is the same conversion as PST to JST.
Complete PST to JST Conversion Table
The table below shows every two-hour increment converted from Pacific Standard Time to Japan Standard Time. Business hours (9 AM – 5 PM) are highlighted for easy scheduling reference.
| PST (Pacific Standard Time) | JST (Japan Standard Time) |
|---|---|
| 12:00 AM (00:00) | 5:00 PM (17:00) |
| 2:00 AM (02:00) | 7:00 PM (19:00) |
| 4:00 AM (04:00) | 9:00 PM (21:00) |
| 6:00 AM (06:00) | 11:00 PM (23:00) |
| 8:00 AM (08:00) | 1:00 AM (01:00) (next day) |
| 10:00 AM (10:00) | 3:00 AM (03:00) (next day) |
| 12:00 PM (12:00) | 5:00 AM (05:00) (next day) |
| 2:00 PM (14:00) | 7:00 AM (07:00) (next day) |
| 4:00 PM (16:00) | 9:00 AM (09:00) (next day) |
| 6:00 PM (18:00) | 11:00 AM (11:00) (next day) |
| 8:00 PM (20:00) | 1:00 PM (13:00) (next day) |
| 10:00 PM (22:00) | 3:00 PM (15:00) (next day) |
Times shown in 12-hour and 24-hour format. Last updated 2026-03-09.
Scheduling Between PST and JST
Freelancers and contractors working across PST and JST should clearly state their invoicing time zone. A 17-hour difference means an "end of business day" deliverable could mean very different things to each party.
The large 17-hour gap between PST and JST means that finding overlapping working hours requires compromise from at least one side. Consider adopting asynchronous workflows — recorded video updates, shared documents, and time-zone-aware project management tools — to supplement the limited real-time overlap.
Travel Between Los Angeles and Tokyo
For layover planning between undefined and undefined destinations, connecting flights often involve intermediate time zones. Use our converter to verify each leg independently to avoid missed connections.
Medical experts recommend allowing approximately one day of adjustment per hour of time difference. For the 17-hour shift between PST and JST, plan for roughly one week of gradual adjustment for optimal performance.
Daylight Saving Time Considerations
Some regions within a time zone do not observe DST. Arizona (MST) and Hawaii (HST) stay on standard time year-round, which can create unexpected offsets with neighboring states during summer months.
For the PST to JST conversion specifically: PST (UTC-8) observes DST, while JST (UTC+9) does not observe DST. This means the offset between them changes by one hour seasonally — the usual 17-hour gap becomes 16 or 18 hours during DST transitions.
Related Time Zone Conversions
References & Resources
Frequently Asked Questions
PST (Pacific Standard Time) is 17 hours behind JST (Japan Standard Time). PST is UTC-8 and JST is UTC+9.
When it is 12:00 PM (noon) in PST, it is 5:00 AM (next day) in JST.
The best overlap for business hours is approximately 2:00 AM to 10:00 AM JST, which corresponds to 9:00 AM to 5:00 PM in PST. Given the large gap, consider alternating between early and late meeting times.
Some regions within a time zone do not observe DST. Arizona (MST) and Hawaii (HST) stay on standard time year-round, which can create unexpected offsets with neighboring states during summer months.