Ulsan to London Time Difference
London is 8 hours behind Ulsan. When it is noon in Ulsan, it is 04:00 in London.
Seoul (UTC+9) → London (UTC+1)
🕐 Interactive Time Explorer
When it's 17:00 in Ulsan, it's 09:00 in London
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Ulsan & London◐ Extended Hours (7 hours)
✈️ Travel Information
Distance
9,156 km
Est. Flight Time
~11.8h
Time Difference
-8h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Ulsan
22:00
London (-1)
09:00
Ulsan
01:00
London
12:00
Ulsan
04:00
London
15:00
Ulsan
07:00
London
18:00
Ulsan
10:00
London
21:00
Ulsan
13:00
London
00:00
Ulsan
16:00
London (-1)
03:00
Ulsan
19:00
London (-1)
Frequently Asked Questions
How many hours is Ulsan ahead of London?
London is 8 hours behind Ulsan. When it is 12:00 noon in Ulsan, it is 04:00 in London. Ulsan operates on Asia/Seoul (UTC+9), while London uses Europe/London (UTC+1).
What is the best time to call London from Ulsan?
There is 1 hour of overlapping business time (9 AM–5 PM) between Ulsan and London. The best window is 17:00–18:00 Ulsan time (09:00–10:00 in London).
Does the Ulsan to London 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 Ulsan and London
The distance between Ulsan and London is approximately 9,156 km. A direct flight typically takes around 11.8 hours. Your arrival clock will show local London time — use our Flight Time Calculator to predict exact arrival times.