What is the time difference between KST and CST?

KST is 15 hours behind CST. KST is UTC+9 and CST is UTC-6.

What is 9 AM KST in CST?

9 AM KST is 7 PM CST (previous day).

What is 12 PM KST in CST?

12 PM KST (noon) is 10 PM CST (previous day).

What are the best meeting times between KST and CST?

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

KST to CST Time Converter

Korea Standard Time → Central Standard Time

KST

UTC+9

Korea Standard Time

offset

-15h

CST is 15h behind

CST

UTC-6

Central Standard Time

CST observes DST — offset shifts ±1h during transitions

Korea Standard Time (KST) is 15 hours behind Central Standard Time (CST). When it is noon in KST, it is 10 PM in CST. This offset may change during Daylight Saving Time transitions.

Meeting planner tool Reverse: CST to KST

Cities in KST

🇰🇷Seoul

Cities in CST

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

All 24 Hours — KST to CST

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

Both business hoursPartial overlap

12 AM6 AM12 PM6 PM11 PM

Best Meeting Times — KST & CST

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

Challenging overlap

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

Related Time Zone Conversions

Frequently Asked Questions — KST to CST

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