London to Tucson Time Difference
Tucson is 8 hours behind London. When it is noon in London, it is 04:00 in Tucson.
London (UTC+1) → Phoenix (UTC-7)
🕐 Interactive Time Explorer
When it's 09:00 in London, it's 01:00 in Tucson
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
London & Tucson◐ Extended Hours (7 hours)
✈️ Travel Information
Distance
8,527 km
Est. Flight Time
~11h
Time Difference
-8h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
London
22:00
Tucson (-1)
09:00
London
01:00
Tucson
12:00
London
04:00
Tucson
15:00
London
07:00
Tucson
18:00
London
10:00
Tucson
21:00
London
13:00
Tucson
00:00
London
16:00
Tucson (-1)
03:00
London
19:00
Tucson (-1)
Frequently Asked Questions
How many hours is London ahead of Tucson?
Tucson is 8 hours behind London. When it is 12:00 noon in London, it is 04:00 in Tucson. London operates on Europe/London (UTC+1), while Tucson uses America/Phoenix (UTC-7).
What is the best time to call Tucson from London?
There is 1 hour of overlapping business time (9 AM–5 PM) between London and Tucson. The best window is 17:00–18:00 London time (09:00–10:00 in Tucson).
Does the London to Tucson 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 Tucson
The distance between London and Tucson is approximately 8,527 km. A direct flight typically takes around 11 hours. Your arrival clock will show local Tucson time — use our Flight Time Calculator to predict exact arrival times.