London to KST Time Converter
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Quick answers
Selected conversion
1:00 pm13:00 BST (UTC+1), Oct 18, 2026 = 9:00 pm21:00 KST (UTC+9), Oct 18, 2026
London is 8 hours behind KST.
How the time difference changes
For most of the year, London is 8 hours behind KST. From Oct 25, 2026 to Mar 28, 2027, London is 9 hours behind KST.
For most of the year, working hours of 9:00 am to 6:00 pm in London correspond to 5:00 pm to 2:00 am (next day) in KST. At other times of the year, working hours of 9:00 am to 6:00 pm in London correspond to 6:00 pm to 3:00 am (next day) in KST.For most of the year, working hours of 09:00 to 18:00 in London correspond to 17:00 to 02:00 (next day) in KST. At other times of the year, working hours of 09:00 to 18:00 in London correspond to 18:00 to 03:00 (next day) in KST.
Compare London time with KST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
BST (British Summer Time) is 8 hours behind Korea Standard Time.
1:00 pm13:00 in London, United Kingdom is 9:00 pm21:00 in KST
London to KST call time
Best time for a conference call or a meeting is between 9am-10am09:00-10:00 in London which corresponds to 5pm-6pm17:00-18:00 in KST
1:00 pm13:00 BST (British Summer Time) (London, United Kingdom). Offset UTC +1:00 hour
9:00 pm21:00 Korea Standard Time (KST). Offset UTC +9:00 hours
1:00 pm13:00 London, United Kingdom / 9:00 pm21:00 KST
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| London, United Kingdom | KST |
|---|---|
| 8:00am | |
| 9:00am | |
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London Time Zone and Facts
Time Zone
GMT – Greenwich Mean Time, UTC+0 (standard time)
London Facts
Korea Standard Time
Offset: KST is 9 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: North Korea, South Korea
Principal Cities: The largest city in the KST time zone is Seoul in South Korea, with about 10.349 million people. Other major cities in this time zone include Busan, Pyongyang, Incheon, Daegu.
Daylight Saving: Clocks in Korea Standard Time (KST) do not change for daylight saving time, so KST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
KST representations, usage and related time zones
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the east of the zero meridian.
- India - Military abbreviation for KST
- I - short form of 'India'
- Asia/Pyongyang
- Asia/Seoul
- ROK
- Korea Standard Time - UTC +9
- Pyongyang Time - UTC +8:30
- AWDT - Australian Western Daylight Time
- CHOST - Choibalsan Summer Time
- I - India Time Zone
- IRKST - Irkutsk Summer Time
- JST - Japan Standard Time
- KST - Korea Standard Time
- PWT - Palau Time
- TLT - East Timor Time
- ULAST - Ulaanbaatar Summer Time
- WIT - Eastern Indonesian Time
- YAKT - Yakutsk Time
