Chelmsford to Seoul time converter

Seoul is 8 hours ahead of Chelmsford. When it is 9:00 AM in Chelmsford, it is 5:00 PM in Seoul.

Chelmsford BST

Tuesday, October 20, 2026

Seoul KST

Wednesday, October 21, 2026

Chelmsford
United Kingdom
Tue, Oct 20
BSTUTC+1
Seoul
South Korea
Wed, Oct 21
KSTUTC+9+8h
Finding your time zone…
Shared working hours (9:00–18:00)

Chelmsford to Seoul conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 10:00 AM in Chelmsford (5:00 PM – 6:00 PM in Seoul).

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 25, 2026: +8h
  • Oct 25, 2026 – Mar 28, 2027: +9h
  • Mar 28, 2027 – Oct 20, 2027: +8h

Distance

Chelmsford and Seoul are 8,811 km (5,475 miles) apart in a straight line.

More conversions

Seoul to ChelmsfordChelmsford to New YorkChelmsford to LondonChelmsford to Los AngelesChelmsford to ChicagoChelmsford to TorontoChelmsford to São PauloChelmsford to ParisChelmsford to BerlinChelmsford to MoscowChelmsford to DubaiChelmsford to New DelhiChelmsford to Bangkok
New York to SeoulLondon to SeoulLos Angeles to SeoulChicago to SeoulToronto to SeoulSão Paulo to SeoulParis to SeoulBerlin to SeoulMoscow to SeoulDubai to SeoulNew Delhi to SeoulBangkok to Seoul

Questions and answers

What is the time difference between Chelmsford and Seoul?

Seoul is 8 hours ahead of Chelmsford.

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

When it is 9:00 AM in Chelmsford, it is 5:00 PM in Seoul.

When is the best time to call Seoul from Chelmsford?

Both sides are at work from 9:00 AM – 10:00 AM in Chelmsford (5:00 PM – 6:00 PM in Seoul).

Does the time difference between Chelmsford and Seoul change?

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