Seoul to East Haven time converter

East Haven is 13 hours behind Seoul. When it is 9:00 AM in Seoul, it is 8:00 PM (Tue, Oct 20) in East Haven.

Seoul KST

Wednesday, October 21, 2026

East Haven EDT

Wednesday, October 21, 2026

Seoul
South Korea
Wed, Oct 21
KSTUTC+9
East Haven
Connecticut, United States
Wed, Oct 21
EDTUTC-4-13h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to East Haven conversion table

Every hour of today in Seoul and the matching time in East Haven. Light rows are typical working hours (9:00–18:00).

SeoulEast Haven
12:00 AM11:00 AM−1 day
1:00 AM12:00 PM−1 day
2:00 AM1:00 PM−1 day
3:00 AM2:00 PM−1 day
4:00 AM3:00 PM−1 day
5:00 AM4:00 PM−1 day
6:00 AM5:00 PM−1 day
7:00 AM6:00 PM−1 day
8:00 AM7:00 PM−1 day
9:00 AM8:00 PM−1 day
10:00 AM9:00 PM−1 day
11:00 AM10:00 PM−1 day
12:00 PM11:00 PM−1 day
1:00 PM12:00 AM
2:00 PM1:00 AM
3:00 PM2:00 AM
4:00 PM3:00 AM
5:00 PM4:00 AM
6:00 PM5:00 AM
7:00 PM6:00 AM
8:00 PM7:00 AM
9:00 PM8:00 AM
10:00 PM9:00 AM
11:00 PM10:00 AM

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Seoul (8:00 PM – 10:00 PM in East Haven): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Seoul and East Haven switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: -13h
  • Nov 1, 2026 – Mar 14, 2027: -14h
  • Mar 14, 2027 – Oct 21, 2027: -13h

Distance

Seoul and East Haven are 11,019 km (6,847 miles) apart in a straight line.

More conversions

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New York to East HavenLondon to East HavenLos Angeles to East HavenChicago to East HavenToronto to East HavenSão Paulo to East HavenParis to East HavenBerlin to East HavenMoscow to East HavenDubai to East HavenNew Delhi to East HavenBangkok to East Haven

Questions and answers

What is the time difference between Seoul and East Haven?

East Haven is 13 hours behind Seoul.

What time is it in East Haven when it is 9 AM in Seoul?

When it is 9:00 AM in Seoul, it is 8:00 PM (Tue, Oct 20) in East Haven.

When is the best time to call East Haven from Seoul?

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Seoul (8:00 PM – 10:00 PM in East Haven): working hours on one side, early or late on the other.

Does the time difference between Seoul and East Haven change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.