London to Ansan Time Difference
Ansan is 8 hours ahead of London. When it is noon in London, it is 20:00 in Ansan.
London (UTC+1) → Seoul (UTC+9)
🕐 Interactive Time Explorer
When it's 14:00 in London, it's 22:00 in Ansan
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
London & Ansan◐ Extended Hours (7 hours)
✈️ Travel Information
Distance
8,874 km
Est. Flight Time
~11.4h
Time Difference
+8h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
London
14:00
Ansan
09:00
London
17:00
Ansan
12:00
London
20:00
Ansan
15:00
London
23:00
Ansan
18:00
London
02:00
Ansan (+1)
21:00
London
05:00
Ansan (+1)
00:00
London
08:00
Ansan
03:00
London
11:00
Ansan
Frequently Asked Questions
How many hours is London behind Ansan?
Ansan is 8 hours ahead of London. When it is 12:00 noon in London, it is 20:00 in Ansan. London operates on Europe/London (UTC+1), while Ansan uses Asia/Seoul (UTC+9).
What is the best time to call Ansan from London?
Standard business hours (9 AM–5 PM) do not overlap between London and Ansan due to the 8 hours difference. Consider early morning or late evening calls, or use async communication.
Does the London to Ansan time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between London and Ansan
The distance between London and Ansan is approximately 8,874 km. A direct flight typically takes around 11.4 hours. Your arrival clock will show local Ansan time — use our Flight Time Calculator to predict exact arrival times.