British Summer Time (bst) is used in United Kingdom. The IANA timezone identifier is Europe/London.

Korea Standard Time (kst) is used in South Korea. The IANA timezone identifier is Asia/Seoul.

BST to KST Time Converter

British Summer Time → Korea Standard Time

BST = UTC+1KST = UTC+9

⚠️ BST is ambiguous — on this page it means British Summer Time. It also refers to:

Bangladesh Standard Time (Dhaka) → KST ↗

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

KST (Seoul)

South Korea · +8h

17:00

New York

USA · -5h

04:00

Tokyo

Japan · +8h

17:00

Dubai

United Arab Emirates · +3h

12:00

Sydney

Australia · +9h

18:00

BST (London) vs KST (Seoul) — time difference

BST (London) is 8 hours behind KST (Seoul). When it's noon in BST (London), it's 20:00 in KST (Seoul).

BST (London) is in the Europe/London timezone. KST (Seoul) is in Asia/Seoul. The difference is 8 hours.

Shared working hours

BST (London) and KST (Seoul) have no shared working hours under a standard 9:00–17:00 schedule. One side will always need to join at an off-hour.

Recommended meeting windows

Since BST (London) and KST (Seoul) don't share working hours, these are the most practical options available.

08:00 London / 16:00 Seoul⚡ One side off-hours

⚠️ 1h before working hours in London

09:00 London / 17:00 Seoul⚡ One side off-hours

⚠️ 1h after working hours in Seoul

07:00 London / 15:00 Seoul⚡ One side off-hours

⚠️ 2h before working hours in London

Based on standard 09:00–17:00 working hours in each location's local time.

Public holidays this year

⚡ Upcoming holidays in both locations, confirm with your contact before booking.

BST (London)6 holidays

Jul 13Battle of the Boyne

Aug 3Summer Bank Holiday

Aug 31Summer Bank Holiday

Nov 30Saint Andrew's Day

Dec 25Christmas Day

KST (Seoul)7 holidays

Aug 15Liberation Day

Sep 24Chuseok

Sep 25Chuseok

Sep 26Chuseok

Oct 3National Foundation Day

BST (London) and KST (Seoul) — practical scheduling

A 8-hour difference separates BST (London) (United Kingdom) and KST (Seoul) (South Korea) — wide enough that standard business hours don't align at all. Scheduling requires deliberate compromise from both sides.

💡 Practical scheduling guidelines

⚡

When BST (London) is at 08:00, KST (Seoul) reads 16:00 — 1h before working hours in London.

⚡

When BST (London) is at 09:00, KST (Seoul) reads 17:00 — 1h after working hours in Seoul.

⚡

When BST (London) is at 07:00, KST (Seoul) reads 15:00 — 2h before working hours in London.

With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.

DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.

Get the Extension — Free →

Use the time slider above to find the exact equivalent time for any moment in BST (London). The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.

BST (London) ↔ KST (Seoul)

No overlap — one side will join outside working hours

BST (London)

KST (Seoul)

00:00

08:00

01:00

09:00Working

02:00

10:00Working

03:00

11:00Working

04:00

12:00Working

05:00

13:00Working

06:00

14:00Working

07:00

15:00Working

08:00

16:00Working

09:00Working

17:00off

10:00Working

18:00off

11:00Working

19:00off

12:00Working

20:00off

13:00Working

21:00off

14:00Working

22:00off

15:00Working

23:00off

16:00Working

00:00+1doff

17:00

01:00+1d

18:00

02:00+1d

19:00

03:00+1d

20:00

04:00+1d

21:00

05:00+1d

22:00

06:00+1d

23:00

07:00+1d

Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.

Frequently Asked Questions

What is the difference between bst and kst?

British Summer Time (bst) is UTC+1 and Korea Standard Time (kst) is UTC+9. The difference between them is 8 hours.

Where is bst used?

British Summer Time (bst) is used in United Kingdom and surrounding regions. The IANA timezone identifier is Europe/London. Note: bst is ambiguous and may refer to other timezones.

Where is kst used?

Korea Standard Time (kst) is used in South Korea and surrounding regions. The IANA timezone identifier is Asia/Seoul.

How do I convert bst to kst?

Use the interactive converter above. Drag the time slider to any bst time and the kst equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.

Popular BST conversions

BST → New York BST → Tokyo BST → Dubai BST → Sydney BST → Paris BST → Berlin BST → Singapore BST → Los Angeles BST → Toronto BST → Mumbai

Popular KST conversions

London → KST New York → KST Tokyo → KST Dubai → KST Sydney → KST Paris → KST Berlin → KST Singapore → KST Los Angeles → KST Toronto → KST