EST to KST converter

Eastern Time (New York, Toronto, Miami) to Korea Time (Seoul).

EST8:07 PMFri 30 Oct 2026

→

KST9:07 AMSat 31 Oct 2026

KST is 13 h ahead of EST.

Pick a time in EST

⇄ KST to EST

9:00 AM EST = 10:00 PM KST same day

Best time to meet

No hour falls inside 9 AM to 5 PM in both places, so one side always meets outside office hours.

EST to KST time table

For 30 Oct 2026. Green rows: both sides between 9 AM and 5 PM.

EST	KST
12:00 AM EST	1:00 PM KST
1:00 AM EST	2:00 PM KST
2:00 AM EST	3:00 PM KST
3:00 AM EST	4:00 PM KST
4:00 AM EST	5:00 PM KST
5:00 AM EST	6:00 PM KST
6:00 AM EST	7:00 PM KST
7:00 AM EST	8:00 PM KST
8:00 AM EST	9:00 PM KST
9:00 AM EST	10:00 PM KST
10:00 AM EST	11:00 PM KST
11:00 AM EST	12:00 AM KST next day
12:00 PM EST	1:00 AM KST next day
1:00 PM EST	2:00 AM KST next day
2:00 PM EST	3:00 AM KST next day
3:00 PM EST	4:00 AM KST next day
4:00 PM EST	5:00 AM KST next day
5:00 PM EST	6:00 AM KST next day
6:00 PM EST	7:00 AM KST next day
7:00 PM EST	8:00 AM KST next day
8:00 PM EST	9:00 AM KST next day
9:00 PM EST	10:00 AM KST next day
10:00 PM EST	11:00 AM KST next day
11:00 PM EST	12:00 PM KST next day

Quick answers

9:00 AM EST = 10:00 PM KST
12:00 PM EST = 1:00 AM KST (next day)
3:00 PM EST = 4:00 AM KST (next day)
5:00 PM EST = 6:00 AM KST (next day)
9:00 AM KST = 8:00 PM EST (previous day)
12:00 PM KST = 11:00 PM EST (previous day)
5:00 PM KST = 4:00 AM EST

Does the gap change during the year?

Yes, because of daylight saving. Until 1 Nov 2026: KST is 13 h ahead of EST. From 1 Nov 2026 to 14 Mar 2027: KST is 14 h ahead of EST. From 14 Mar 2027 to 7 Nov 2027: KST is 13 h ahead of EST.

EST next changes its clocks on 1 Nov 2026 (back 1 h, to UTC−5), then on 14 Mar 2027 (forward 1 h, to UTC−4). KST does not change its clocks.

About EST and KST

EST here means Eastern Time, the clock in New York, Toronto, Miami. Right now it is UTC−4. Strictly, EST is the winter name; in summer these places use EDT. This page follows their real clock all year.

KST here means Korea Time, the clock in Seoul. Right now it is UTC+9. It has no daylight saving.

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