London to Hiroshima Time Difference
Hiroshima is 8 hours ahead of London. When it is noon in London, it is 20:00 in Hiroshima.
London (UTC+1) → Tokyo (UTC+9)
🕐 Interactive Time Explorer
When it's 11:00 in London, it's 19:00 in Hiroshima
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
London & Hiroshima◐ Extended Hours (7 hours)
✈️ Travel Information
Distance
9,404 km
Est. Flight Time
~12.1h
Time Difference
+8h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
London
14:00
Hiroshima
09:00
London
17:00
Hiroshima
12:00
London
20:00
Hiroshima
15:00
London
23:00
Hiroshima
18:00
London
02:00
Hiroshima (+1)
21:00
London
05:00
Hiroshima (+1)
00:00
London
08:00
Hiroshima
03:00
London
11:00
Hiroshima
Frequently Asked Questions
How many hours is London behind Hiroshima?
Hiroshima is 8 hours ahead of London. When it is 12:00 noon in London, it is 20:00 in Hiroshima. London operates on Europe/London (UTC+1), while Hiroshima uses Asia/Tokyo (UTC+9).
What is the best time to call Hiroshima from London?
Standard business hours (9 AM–5 PM) do not overlap between London and Hiroshima due to the 8 hours difference. Consider early morning or late evening calls, or use async communication.
Does the London to Hiroshima 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 Hiroshima
The distance between London and Hiroshima is approximately 9,404 km. A direct flight typically takes around 12.1 hours. Your arrival clock will show local Hiroshima time — use our Flight Time Calculator to predict exact arrival times.