Seoul to West Chester time converter

West Chester is 13 hours behind Seoul. When it is 9:00 AM in Seoul, it is 8:00 PM (Wed, Oct 21) in West Chester.

Seoul KST

Thursday, October 22, 2026

West Chester EDT

Wednesday, October 21, 2026

Seoul
South Korea
Thu, Oct 22
KSTUTC+9
West Chester
Pennsylvania, United States
Wed, Oct 21
EDTUTC-4-13h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to West Chester conversion table

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

SeoulWest Chester
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 West Chester): 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 West Chester switch clocks on different dates:

  • Oct 22, 2026 – Nov 1, 2026: -13h
  • Nov 1, 2026 – Mar 14, 2027: -14h
  • Mar 14, 2027 – Oct 22, 2027: -13h

Distance

Seoul and West Chester are 11,092 km (6,892 miles) apart in a straight line.

More conversions

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New York to West ChesterLondon to West ChesterLos Angeles to West ChesterChicago to West ChesterToronto to West ChesterSão Paulo to West ChesterParis to West ChesterBerlin to West ChesterMoscow to West ChesterDubai to West ChesterNew Delhi to West ChesterBangkok to West Chester

Questions and answers

What is the time difference between Seoul and West Chester?

West Chester is 13 hours behind Seoul.

What time is it in West Chester when it is 9 AM in Seoul?

When it is 9:00 AM in Seoul, it is 8:00 PM (Wed, Oct 21) in West Chester.

When is the best time to call West Chester 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 West Chester): working hours on one side, early or late on the other.

Does the time difference between Seoul and West Chester change?

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