Harpenden to Seoul time converter

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

Harpenden BST

Wednesday, October 21, 2026

Seoul KST

Thursday, October 22, 2026

Harpenden
United Kingdom
Wed, Oct 21
BSTUTC+1
Seoul
South Korea
Thu, Oct 22
KSTUTC+9+8h
Finding your time zone…
Shared working hours (9:00–18:00)

Harpenden to Seoul conversion table

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

HarpendenSeoul
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 Harpenden (5:00 PM – 6:00 PM in Seoul).

Daylight saving time and the difference

The difference changes during the year because Harpenden and Seoul 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

Harpenden and Seoul are 8,841 km (5,494 miles) apart in a straight line.

More conversions

Seoul to HarpendenHarpenden to New YorkHarpenden to LondonHarpenden to Los AngelesHarpenden to ChicagoHarpenden to TorontoHarpenden to São PauloHarpenden to ParisHarpenden to BerlinHarpenden to MoscowHarpenden to DubaiHarpenden to New DelhiHarpenden 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 Harpenden and Seoul?

Seoul is 8 hours ahead of Harpenden.

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

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

When is the best time to call Seoul from Harpenden?

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

Does the time difference between Harpenden 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.