What is the time difference between PST and JST?

PST is 17 hours ahead JST. PST is UTC-8 and JST is UTC+9.

What is 9 AM PST in JST?

9 AM PST is 1 AM JST (next day).

What is 12 PM PST in JST?

12 PM PST (noon) is 4 AM JST (next day).

What are the best meeting times between PST and JST?

There is no standard business hours overlap between PST and JST.

PST to JST Time Converter

Pacific Standard Time → Japan Standard Time

PST

UTC-8

Pacific Standard Time

offset

+17h

JST is 17h ahead

JST

UTC+9

Japan Standard Time

PST observes DST — offset shifts ±1h during transitions

Pacific Standard Time (PST) is 17 hours ahead Japan Standard Time (JST). When it is noon in PST, it is 4 AM in JST. This offset may change during Daylight Saving Time transitions.

Meeting planner tool Reverse: JST to PST

Cities in PST

🇺🇸Los Angeles 🇺🇸San Francisco 🇺🇸Seattle 🇺🇸Portland 🇨🇦Vancouver

Cities in JST

🇯🇵Tokyo 🇯🇵Osaka

All 24 Hours — PST to JST

Click any row to see the full detail page. Current hour in PST is highlighted.

Both business hoursPartial overlap

12 AM6 AM12 PM6 PM11 PM

Best Meeting Times — PST & JST

No standard business-hours overlap between PST and JST. Consider early morning or evening calls.

Challenging overlap

PST and JST are 17 hours apart with no shared business-hours window. Try scheduling at 8 AM in the earlier timezone or 6 PM in the later one.

8 AM→12 AM+1d 9 AM→1 AM+1d 10 AM→2 AM+1d 11 AM→3 AM+1d 12 PM→4 AM+1d 1 PM→5 AM+1d 2 PM→6 AM+1d 3 PM→7 AM+1d 4 PM→8 AM+1d 5 PM→9 AM+1d

Related Time Zone Conversions

Frequently Asked Questions — PST to JST

Pacific Standard Time (PST) is 17 hours ahead of Japan Standard Time (JST). PST is UTC-8 and JST is UTC+9. This offset may shift by ±1 hour during Daylight Saving Time transitions.