What is the time difference between CST and JST?

CST is 15 hours ahead JST. CST is UTC-6 and JST is UTC+9.

What is 12 PM CST in JST?

12 PM CST (noon) is 2 AM JST (next day).

What are the best meeting times between CST and JST?

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

CST to JST Time Converter

Central Standard Time → Japan Standard Time

CST

UTC-6

Central Standard Time

offset

+15h

JST is 15h ahead

JST

UTC+9

Japan Standard Time

CST observes DST — offset shifts ±1h during transitions

Central Standard Time (CST) is 15 hours ahead Japan Standard Time (JST). When it is noon in CST, it is 2 AM in JST. This offset may change during Daylight Saving Time transitions.

Meeting planner tool Reverse: JST to CST

Cities in CST

🇺🇸Chicago 🇺🇸Houston 🇺🇸Dallas 🇺🇸Nashville 🇺🇸Minneapolis

Cities in JST

🇯🇵Tokyo 🇯🇵Osaka

All 24 Hours — CST to JST

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

Both business hoursPartial overlap

12 AM6 AM12 PM6 PM11 PM

Best Meeting Times — CST & JST

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

Challenging overlap

CST and JST are 15 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→10 PM 9 AM→11 PM 10 AM→12 AM+1d 11 AM→1 AM+1d 12 PM→2 AM+1d 1 PM→3 AM+1d 2 PM→4 AM+1d 3 PM→5 AM+1d 4 PM→6 AM+1d 5 PM→7 AM+1d

Related Time Zone Conversions

Frequently Asked Questions — CST to JST

Central Standard Time (CST) is 15 hours ahead of Japan Standard Time (JST). CST is UTC-6 and JST is UTC+9. This offset may shift by ±1 hour during Daylight Saving Time transitions.