London to Seoul Time
GMT to KST Converter — 9 AM GMT is 6:00 PM KST
London is 9 hours behind Seoul. Convert any time between London (GMT/BST) and Seoul (KST) instantly.
London
United Kingdom
Seoul
South Korea
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Time Zone Comparison
London to Seoul Time Conversion Table
| London (GMT) | Seoul (KST) |
|---|---|
| 12:00 AM | 8:00 AM |
| 2:00 AM | 10:00 AM |
| 4:00 AM | 12:00 PM |
| 6:00 AM | 2:00 PM |
| 8:00 AM | 4:00 PM |
| 10:00 AM | 6:00 PM |
| 12:00 PM | 8:00 PM |
| 2:00 PM | 10:00 PM |
| 4:00 PM | 12:00 AM |
| 6:00 PM | 2:00 AM |
| 8:00 PM | 4:00 AM |
| 10:00 PM | 6:00 AM |
London & Seoul — Business & Scheduling Guide
London (United Kingdom) is a leading center for finance and international trade, with key industries in finance, insurance, media, and professional services. Seoul (South Korea) is a technology-driven economy known for rapid innovation, known for semiconductors, automotive, shipbuilding, and K-content. With a 9-hour time difference, professionals frequently schedule cross-border calls between these two cities for international trade, remote team collaboration, and client meetings.
Scheduling Meetings Between London and Seoul
With Seoul 9 hours ahead of London, there is minimal overlap in standard business hours. Most teams alternate meeting times to share the burden of early-morning or late-evening calls fairly. British business culture values politeness and punctuality, with typical hours of 9 AM–5:30 PM. South Korean work culture is fast-paced with typical hours of 9 AM–6 PM, though recent reforms have reduced maximum weekly hours. Consider recording meetings for those who can't attend live, and use shared documents for async collaboration.
Daylight Saving Time Considerations
London observes Daylight Saving Time (GMT/BST), but Seoul does not — it stays on KST year-round. This means the time difference between London and Seoul changes by 1 hour when London switches clocks. During United Kingdom's summer, the gap is 8–10 hours instead of the standard 9 hours. Mark DST transition dates on your calendar to avoid missed meetings.
GMT to KST — Quick Reference
GMT (GMT/BST) stands for the timezone used in London, United Kingdom (UTC+0). KST (KST) is the timezone used in Seoul, South Korea (UTC+9). London is 9 hours behind Seoul.
To convert GMT to KST, add 9 hours to GMT time. For example, GMT 9:00 AM = KST 6:00 PM.
Key Facts
- •Time difference: London (UTC+0) is 9 hours behind Seoul (UTC+9).
- •Daylight Saving Time: London observes DST (GMT/BST). Seoul does not observe DST (KST).
- •Regions: London is located in United Kingdom and uses the GMT/BST time zone. Seoul is located in South Korea and uses the KST time zone.
- •Best time to call: There are no overlapping standard work hours (9 AM - 5 PM) between these two cities.
Frequently Asked Questions
What is the time difference between London and Seoul?
London is 9 hours behind Seoul.
What time is it in Seoul when it's 9 AM in London?
When it's 9:00 AM in London, it is 6:00 PM in Seoul.
What time is 9 PM GMT in KST?
9 PM GMT (London time) is 6:00 AM KST (Seoul time). This is a common time people check when scheduling evening calls across these two time zones.
When is the best time to schedule a meeting between London and Seoul?
There are no overlapping standard work hours (9 AM - 5 PM) between these two cities.
How do I convert GMT to KST?
GMT (GMT/BST) is the timezone for London, United Kingdom (UTC+0). KST (KST) is the timezone for Seoul, South Korea (UTC+9). London is 9 hours behind Seoul. Quick examples: 9 AM GMT = 6:00 PM KST, 12 PM GMT = 9:00 PM KST, 3 PM GMT = 12:00 AM KST, 6 PM GMT = 3:00 AM KST.
Is London ahead of or behind Seoul?
London is 9 hours behind Seoul. When it's noon in London, it's 9:00 PM in Seoul.
Does London or Seoul change clocks for Daylight Saving Time?
Yes, London observes DST and switches between GMT/BST. Seoul does not observe DST — it stays on KST year-round. Because only one city observes DST, the time difference shifts by 1 hour during transition periods (typically March/April and October/November).
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