TimezoneToolbox

KST to EST converter

EST is usually 13 h behind KST. It is 14 h behind KST 1 Jan–8 Mar and 1 Nov–31 Dec 2026, because of daylight saving time.

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KST to EST table

For 5 July 2026, when EST is 13 h behind KST. Other dates: see the table on the right.

KSTEST24-hour
12:00 AM11:00 AM prev. day0:00 → 11:00
1:00 AM12:00 PM prev. day1:00 → 12:00
2:00 AM1:00 PM prev. day2:00 → 13:00
3:00 AM2:00 PM prev. day3:00 → 14:00
4:00 AM3:00 PM prev. day4:00 → 15:00
5:00 AM4:00 PM prev. day5:00 → 16:00
6:00 AM5:00 PM prev. day6:00 → 17:00
7:00 AM6:00 PM prev. day7:00 → 18:00
8:00 AM7:00 PM prev. day8:00 → 19:00
9:00 AM8:00 PM prev. day9:00 → 20:00
10:00 AM9:00 PM prev. day10:00 → 21:00
11:00 AM10:00 PM prev. day11:00 → 22:00
12:00 PM11:00 PM prev. day12:00 → 23:00
1:00 PM12:00 AM 13:00 → 0:00
2:00 PM1:00 AM 14:00 → 1:00
3:00 PM2:00 AM 15:00 → 2:00
4:00 PM3:00 AM 16:00 → 3:00
5:00 PM4:00 AM 17:00 → 4:00
6:00 PM5:00 AM 18:00 → 5:00
7:00 PM6:00 AM 19:00 → 6:00
8:00 PM7:00 AM 20:00 → 7:00
9:00 PM8:00 AM 21:00 → 8:00
10:00 PM9:00 AM 22:00 → 9:00
11:00 PM10:00 AM 23:00 → 10:00

When the difference changes

Computed from the IANA tz database (release 2026c). Governments can change these rules; the live converter uses your browser’s own copy of the database.

2026: from (UTC)until (UTC)EST vs KST
1 January 20268 March 202614 h behind
8 March 20261 November 202613 h behind
1 November 202631 December 202614 h behind
2027: from (UTC)until (UTC)EST vs KST
1 January 202714 March 202714 h behind
14 March 20277 November 202713 h behind
7 November 202731 December 202714 h behind

KST: Korea Standard Time · KST time now
South Korea

EST: Eastern Time · EST time now
Strictly, EST is the winter offset (UTC−5). From March to November the same clocks run on EDT (UTC−4). Most people who search "EST" mean whatever the US East Coast clocks show, so this page follows America/New_York.

Related converters

Questions

What is the time difference between KST and EST?

EST is usually 13 h behind KST. It is 14 h behind KST 1 Jan–8 Mar and 1 Nov–31 Dec 2026, because of daylight saving time.

What is 9 am KST in EST?

9:00 am KST is 8:00 PM EST the previous day, on dates when the usual difference applies. Use the converter above for any specific date.

Which KST does this page use?

Korea Standard Time, the clock time in South Korea (IANA zone Asia/Seoul).

Which EST does this page use?

Strictly, EST is the winter offset (UTC−5). From March to November the same clocks run on EDT (UTC−4). Most people who search "EST" mean whatever the US East Coast clocks show, so this page follows America/New_York.