United Kingdom to South Korea
+8hUnited Kingdom
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 (Greenwich Mean Time) and KST (Korea Standard Time) timezone regions across the globe.
GMT – Greenwich Mean Time
UTC+00:00Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London. It is the same as UTC+00:00.
- •GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London.
- •The Royal Observatory in Greenwich has been the reference point for GMT since 1884.
- •GMT and UTC are often used interchangeably, but UTC is based on atomic clocks.
- •Iceland uses GMT year-round and never observes daylight saving time.
- •The UK switches from GMT to BST (British Summer Time) in late March each year.
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).
Time Conversion Guide: United Kingdom to South Korea
United Kingdom runs on British Summer Time (BST) at UTC+01:00, currently observing daylight saving time. South Korea runs on Korean Standard Time (KST) at UTC+09:00. That puts United Kingdom 8 hours ahead of South Korea — a difference of +8h at the current offsets.
In practice, when it is 9:00 AM in United Kingdom it is 5:00 PM in South Korea. Midnight in United Kingdom is 8:00 AM in South Korea.United Kingdom observes daylight saving time while South Korea does not, so the gap narrows or widens by an hour part of the year.
United Kingdom to South Korea time conversion table
| United Kingdom (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 United Kingdom to South Korea time
- Scheduling a call from United Kingdom to South Korea: a 10:00 AM start in United Kingdom lands at 6:00 PM in South Korea, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +8h gap: United Kingdom 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 United Kingdom.
- Keeping family and friends in sync: knowing that 8:00 PM in United Kingdom is 4:00 AM in South Korea makes it easy to avoid calling at 3 AM.
- 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 United Kingdom takes the early slot, the next week South Korea does.
- United Kingdom: Clocks fall back on Sun, Oct 25, 2026. Re-check this page after that date because the offset changes and so does the +8h gap.
About GMT (Greenwich Mean Time)
Greenwich Mean Time (GMT) is the clock time at the Royal Observatory in Greenwich, London, which sits on the Prime Meridian (0° longitude). GMT serves as the reference point from which all other time zones are calculated. The United Kingdom uses GMT during winter months and switches to British Summer Time (BST, UTC+01:00) from late March to late October. Several West African nations use GMT year-round. GMT is often used interchangeably with UTC (Coordinated Universal Time), although technically they are different – UTC is based on atomic clocks while GMT is based on Earth's rotation.
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 United Kingdom 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 United Kingdom, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
United Kingdom and South Korea have no shared working hours because of the +8h gap. Teams need to alternate early starts or rely on asynchronous handovers.
United Kingdom 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
United Kingdom
☀ 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 United Kingdom and South Korea?
United Kingdom (BST, UTC+01:00) is 8 hours ahead of South Korea (KST, UTC+09:00). The gap is currently +8h.
How do I convert United Kingdom time to South Korea time?
Add +8h to United Kingdom local time. For example, 9:00 AM in United Kingdom 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 United Kingdom.
What is the best time to call South Korea from United Kingdom?
There is no shared working-hours window because of the +8h gap. The closest option is 1:00 PM in United Kingdom, which is 9:00 PM in South Korea.
Which is ahead, United Kingdom or South Korea?
United Kingdom is 8 hours ahead of South Korea. When it is 12:00 PM in United Kingdom it is 8:00 PM in South Korea.
Do United Kingdom and South Korea use different time zones?
United Kingdom (United Kingdom) 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 United Kingdom–South Korea difference?
Yes at the moment: United Kingdom is on daylight saving time and South Korea is not, so the +8h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share United Kingdom's time zone?
BST also covers London, Dublin, Lisbon, Accra, Reykjavik, Edinburgh, Casablanca, Dakar and 5 more.
Which countries use BST, United Kingdom's zone?
BST is used in United Kingdom, Ireland, Iceland, Portugal (mainland), Ghana, Senegal, Mali, Mauritania and 7 more.
Is there a day difference between United Kingdom and South Korea?
Not normally. The +8h gap only pushes the date over for late-evening times.
What is the time difference between United Kingdom and South Korea?
South Korea is +8h from United Kingdom.
What timezone is United Kingdom in?
United Kingdom operates on its local timezone.
What timezone is South Korea in?
South Korea operates on its local timezone.
Which countries use GMT (Greenwich Mean Time)?
GMT is used in United Kingdom, Ireland, Iceland, Portugal (mainland), Ghana, Senegal, and 9 more countries.
Does GMT observe daylight saving time?
Yes, GMT switches to BST during summer months.
What are some interesting facts about GMT?
GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London. The Royal Observatory in Greenwich has been the reference point for GMT since 1884.
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 United Kingdom, what time is it in South Korea?
When it is 12:00 AM (midnight) in United Kingdom (GMT), it is +8h later in South Korea (KST).
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