Hongchon to London time converter

London is 8 hours behind Hongchon. When it is 9:00 AM in Hongchon, it is 1:00 AM in London.

Hongchon KST

Wednesday, October 21, 2026

London BST

Tuesday, October 20, 2026

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

Hongchon to London conversion table

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

HongchonLondon
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 Hongchon (9:00 AM – 10:00 AM in London).

Daylight saving time and the difference

The difference changes during the year because Hongchon and London 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

Hongchon and London are 8,885 km (5,521 miles) apart in a straight line.

More conversions

London to HongchonHongchon to New YorkHongchon to Los AngelesHongchon to ChicagoHongchon to TorontoHongchon to São PauloHongchon to ParisHongchon to BerlinHongchon to MoscowHongchon to DubaiHongchon to New DelhiHongchon to BangkokHongchon to Singapore
New York to LondonLos Angeles to LondonChicago to LondonToronto to LondonSão Paulo to LondonParis to LondonBerlin to LondonMoscow to LondonDubai to LondonNew Delhi to LondonBangkok to LondonSingapore to London

Questions and answers

What is the time difference between Hongchon and London?

London is 8 hours behind Hongchon.

What time is it in London when it is 9 AM in Hongchon?

When it is 9:00 AM in Hongchon, it is 1:00 AM in London.

When is the best time to call London from Hongchon?

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

Does the time difference between Hongchon and London change?

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