What is the time difference between JST and PST?

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

What is 9 AM JST in PST?

9 AM JST is 5 PM PST (previous day).

What is 12 PM JST in PST?

12 PM JST (noon) is 8 PM PST (previous day).

What are the best meeting times between JST and PST?

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

JST to PST Time Converter

Japan Standard Time → Pacific Standard Time

JST

UTC+9

Japan Standard Time

offset

-17h

PST is 17h behind

PST

UTC-8

Pacific Standard Time

PST observes DST — offset shifts ±1h during transitions

Japan Standard Time (JST) is 17 hours behind Pacific Standard Time (PST). When it is noon in JST, it is 8 PM in PST. This offset may change during Daylight Saving Time transitions.

Meeting planner tool Reverse: PST to JST

Cities in JST

🇯🇵Tokyo 🇯🇵Osaka

Cities in PST

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

All 24 Hours — JST to PST

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

Both business hoursPartial overlap

12 AM6 AM12 PM6 PM11 PM

Best Meeting Times — JST & PST

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

Challenging overlap

JST and PST 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→4 PM−1d 9 AM→5 PM−1d 10 AM→6 PM−1d 11 AM→7 PM−1d 12 PM→8 PM−1d 1 PM→9 PM−1d 2 PM→10 PM−1d 3 PM→11 PM−1d 4 PM→12 AM 5 PM→1 AM

Related Time Zone Conversions

Frequently Asked Questions — JST to PST

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