What is the time difference between KST and EST?

KST is 14 hours behind EST. KST is UTC+9 and EST is UTC-5.

What is 9 AM KST in EST?

9 AM KST is 8 PM EST (previous day).

What is 12 PM KST in EST?

12 PM KST (noon) is 11 PM EST (previous day).

What are the best meeting times between KST and EST?

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

KST to EST Time Converter

Korea Standard Time → Eastern Standard Time

KST

UTC+9

Korea Standard Time

offset

-14h

EST is 14h behind

EST

UTC-5

Eastern Standard Time

EST observes DST — offset shifts ±1h during transitions

Korea Standard Time (KST) is 14 hours behind Eastern Standard Time (EST). When it is noon in KST, it is 11 PM in EST. This offset may change during Daylight Saving Time transitions.

Meeting planner tool Reverse: EST to KST

Cities in KST

🇰🇷Seoul

Cities in EST

🇺🇸New York 🇺🇸Boston 🇺🇸Miami 🇺🇸Atlanta 🇨🇦Toronto

All 24 Hours — KST to EST

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 & EST

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

Challenging overlap

KST and EST are 14 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→7 PM−1d 9 AM→8 PM−1d 10 AM→9 PM−1d 11 AM→10 PM−1d 12 PM→11 PM−1d 1 PM→12 AM 2 PM→1 AM 3 PM→2 AM 4 PM→3 AM 5 PM→4 AM

Related Time Zone Conversions

Frequently Asked Questions — KST to EST

Korea Standard Time (KST) is 14 hours behind Eastern Standard Time (EST). KST is UTC+9 and EST is UTC-5. This offset may shift by ±1 hour during Daylight Saving Time transitions.