Seoul to Trumbull time converter

Trumbull is 13 hours behind Seoul. When it is 9:00 AM in Seoul, it is 8:00 PM (Mon, Oct 19) in Trumbull.

Seoul KST

Tuesday, October 20, 2026

Trumbull EDT

Monday, October 19, 2026

Seoul
South Korea
Tue, Oct 20
KSTUTC+9
Trumbull
Connecticut, United States
Mon, Oct 19
EDTUTC-4-13h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Trumbull conversion table

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

SeoulTrumbull
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 Trumbull): 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 Trumbull switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: -13h
  • Nov 1, 2026 – Mar 14, 2027: -14h
  • Mar 14, 2027 – Oct 20, 2027: -13h

Distance

Seoul and Trumbull are 11,015 km (6,844 miles) apart in a straight line.

More conversions

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New York to TrumbullLondon to TrumbullLos Angeles to TrumbullChicago to TrumbullToronto to TrumbullSão Paulo to TrumbullParis to TrumbullBerlin to TrumbullMoscow to TrumbullDubai to TrumbullNew Delhi to TrumbullBangkok to Trumbull

Questions and answers

What is the time difference between Seoul and Trumbull?

Trumbull is 13 hours behind Seoul.

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

When it is 9:00 AM in Seoul, it is 8:00 PM (Mon, Oct 19) in Trumbull.

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

Does the time difference between Seoul and Trumbull change?

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