BST to South Korea
+8hBST
BSTSOURCESouth Korea
KSTGreen rows indicate typical business hours (9 AM - 5 PM)
BST and KST on the World Map
The map below highlights the BST (British Summer Time) and KST (Korea Standard Time) timezone regions across the globe.
BST – British Summer Time
UTC+01:00British Summer Time (BST, UTC+01:00) is the daylight saving period in the United Kingdom, running from late March to late October.
- •BST runs from the last Sunday in March to the last Sunday in October.
- •BST is exactly one hour ahead of GMT, the UK's standard time.
- •During BST, London is 4 hours ahead of New York while the US is on Eastern Daylight Time.
- •The Isle of Man and the Channel Islands also observe BST.
KST – Korea Standard Time
UTC+09:00Korea Standard Time (KST) is the time zone for South Korea, 9 hours ahead of UTC.
- •South Korea does not observe daylight saving time.
- •Seoul is home to Samsung, LG, and Hyundai headquarters.
- •KST is the same offset as JST (UTC+09:00).
BST to South Korea Time Difference – Complete Guide
BST runs on British Summer Time (BST) at UTC+01:00. South Korea runs on Korean Standard Time (KST) at UTC+09:00. That puts BST 8 hours ahead of South Korea — a difference of +8h at the current offsets.
In practice, when it is 9:00 AM in BST it is 5:00 PM in South Korea. Midnight in BST is 8:00 AM in South Korea. Neither zone observes daylight saving time, so the offset between them stays constant all year.
BST to South Korea time conversion table
| BST (BST) | South Korea (KST) | Day |
|---|---|---|
| 12:00 AM | 8:00 AM | same day |
| 6:00 AM | 2:00 PM | same day |
| 7:00 AM | 3:00 PM | same day |
| 8:00 AM | 4:00 PM | same day |
| 9:00 AM | 5:00 PM | same day |
| 12:00 PM | 8:00 PM | same day |
| 3:00 PM | 11:00 PM | same day |
| 5:00 PM | 1:00 AM | next day |
| 6:00 PM | 2:00 AM | next day |
| 9:00 PM | 5:00 AM | next day |
Why people convert BST to South Korea time
- Scheduling a call from BST to South Korea: a 10:00 AM start in BST lands at 6:00 PM in South Korea, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +8h gap: BST and South Korea have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in South Korea is 5:00 PM in BST.
- Coordinating a BST-based team with South Korea contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM BST" is unambiguous; "3 PM" across a +8h gap is not.
- With a +8h gap there is no shared 9-to-5 window, so alternate the early start: one week BST takes the early slot, the next week South Korea does.
About BST (British Summer Time)
British Summer Time (BST) is the daylight saving period in the United Kingdom, when clocks move one hour forward from Greenwich Mean Time (GMT, UTC+00:00) to UTC+01:00. It runs from the last Sunday in March to the last Sunday in October. England, Scotland, Wales and Northern Ireland all follow it, along with the Isle of Man and the Channel Islands of Jersey and Guernsey. During BST, London is one hour ahead of UTC, four hours ahead of New York on Eastern Daylight Time, and five hours ahead of New York once the United States returns to Eastern Standard Time in November. BST is also used to abbreviate Bangladesh Standard Time (UTC+06:00), which is listed separately on this site.
About KST (Korea Standard Time)
Korea Standard Time (KST) is the time zone used in South Korea. It shares the same UTC offset as Japan Standard Time but is a distinct time zone. South Korea does not observe daylight saving time. Seoul, the capital, is a major global tech and business hub.
Best time to call between BST and South Korea
With a +8h offset there is no overlap inside a normal 9 AM – 5 PM day. South Korea opens at 9:00 AM KST, which is 5:00 PM in BST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
BST and South Korea have no shared working hours because of the +8h gap. Teams need to alternate early starts or rely on asynchronous handovers.
BST is 8 hours ahead of South Korea (BST UTC+01:00 → KST UTC+09:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
BST
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 2026
South Korea
Does not observe DST
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between BST and South Korea?
BST (BST, UTC+01:00) is 8 hours ahead of South Korea (KST, UTC+09:00). The gap is currently +8h.
How do I convert BST time to South Korea time?
Add +8h to BST local time. For example, 9:00 AM in BST is 5:00 PM in South Korea.
What time is it in South Korea right now?
South Korea uses KST at UTC+09:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +8h offset from BST.
What is the best time to call South Korea from BST?
There is no shared working-hours window because of the +8h gap. The closest option is 1:00 PM in BST, which is 9:00 PM in South Korea.
Which is ahead, BST or South Korea?
BST is 8 hours ahead of South Korea. When it is 12:00 PM in BST it is 8:00 PM in South Korea.
Do BST and South Korea use different time zones?
BST uses BST at UTC+01:00, while South Korea (South Korea) uses KST at UTC+09:00. The IANA identifiers are Europe/London and Asia/Seoul.
Does daylight saving time affect the BST–South Korea difference?
Neither zone observes daylight saving time, so the +8h offset between BST and South Korea is fixed all year.
Which other cities share BST's time zone?
BST also covers London, Birmingham, Manchester, Glasgow, Edinburgh, Cardiff, Belfast, Liverpool and 2 more.
Which countries use BST, BST's zone?
BST is used in United Kingdom.
Is there a day difference between BST and South Korea?
Not normally. The +8h gap only pushes the date over for late-evening times.
What is the time difference between BST and South Korea?
South Korea is +8h from BST.
What timezone is BST in?
BST operates on its local timezone.
What timezone is South Korea in?
South Korea operates on its local timezone.
Which countries use BST (British Summer Time)?
BST is used in United Kingdom.
Does BST observe daylight saving time?
Yes, BST switches to BST during summer months.
What are some interesting facts about BST?
BST runs from the last Sunday in March to the last Sunday in October. BST is exactly one hour ahead of GMT, the UK's standard time.
Which cities are in the KST timezone?
Major cities in the KST timezone include Seoul, Busan, Incheon, Daegu, Daejeon, Pyongyang.
What is the UTC offset for KST?
Korea Standard Time (KST) is at UTC+09:00.
What should I know about the KST timezone?
South Korea does not observe daylight saving time. Seoul is home to Samsung, LG, and Hyundai headquarters.
When is it midnight in BST, what time is it in South Korea?
When it is 12:00 AM (midnight) in BST (BST), it is +8h later in South Korea (KST).
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