Seoul to Hartley time converter

Hartley is 8 hours behind Seoul. When it is 9:00 AM in Seoul, it is 1:00 AM in Hartley.

Seoul KST

Wednesday, October 21, 2026

Hartley BST

Tuesday, October 20, 2026

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

Seoul to Hartley conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 21, 2026 – Oct 25, 2026: -8h
  • Oct 25, 2026 – Mar 28, 2027: -9h
  • Mar 28, 2027 – Oct 21, 2027: -8h

Distance

Seoul and Hartley are 8,848 km (5,498 miles) apart in a straight line.

More conversions

Hartley to SeoulSeoul to New YorkSeoul to LondonSeoul to Los AngelesSeoul to ChicagoSeoul to TorontoSeoul to São PauloSeoul to ParisSeoul to BerlinSeoul to MoscowSeoul to DubaiSeoul to New DelhiSeoul to Bangkok
New York to HartleyLondon to HartleyLos Angeles to HartleyChicago to HartleyToronto to HartleySão Paulo to HartleyParis to HartleyBerlin to HartleyMoscow to HartleyDubai to HartleyNew Delhi to HartleyBangkok to Hartley

Questions and answers

What is the time difference between Seoul and Hartley?

Hartley is 8 hours behind Seoul.

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

When it is 9:00 AM in Seoul, it is 1:00 AM in Hartley.

When is the best time to call Hartley from Seoul?

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

Does the time difference between Seoul and Hartley change?

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