Seoul to Catonsville time converter

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

Seoul KST

Wednesday, October 21, 2026

Catonsville EDT

Tuesday, October 20, 2026

Seoul
South Korea
Wed, Oct 21
KSTUTC+9
Catonsville
Maryland, United States
Tue, Oct 20
EDTUTC-4-13h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Catonsville conversion table

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

SeoulCatonsville
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 Catonsville): 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 Catonsville 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 Catonsville are 11,134 km (6,918 miles) apart in a straight line.

More conversions

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Questions and answers

What is the time difference between Seoul and Catonsville?

Catonsville is 13 hours behind Seoul.

What time is it in Catonsville when it is 9 AM in Seoul?

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

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

Does the time difference between Seoul and Catonsville change?

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