Richardson to London Time Difference
London is 6 hours ahead of Richardson. When it is noon in Richardson, it is 18:00 in London.
Chicago (UTC-5) → London (UTC+1)
🕐 Interactive Time Explorer
When it's 07:00 in Richardson, it's 13:00 in London
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Richardson & London✓ Perfect Match (2 hours)
◐ Extended Hours (7 hours)
✈️ Travel Information
Distance
7,622 km
Est. Flight Time
~10h
Time Difference
+6h
Work Hours Overlap
2h
Limited
🔴 Office Closed
Today 09:00
09:00 - 11:00
⏰ Quick Conversion
06:00
Richardson
12:00
London
09:00
Richardson
15:00
London
12:00
Richardson
18:00
London
15:00
Richardson
21:00
London
18:00
Richardson
00:00
London (+1)
21:00
Richardson
03:00
London (+1)
00:00
Richardson
06:00
London
03:00
Richardson
09:00
London
Frequently Asked Questions
How many hours is Richardson behind London?
London is 6 hours ahead of Richardson. When it is 12:00 noon in Richardson, it is 18:00 in London. Richardson operates on America/Chicago (UTC-5), while London uses Europe/London (UTC+1).
What is the best time to call London from Richardson?
There are 2 hours of overlapping business time (9 AM–5 PM) between Richardson and London. The best window is 09:00–11:00 Richardson time (15:00–17:00 in London).
Does the Richardson 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 Richardson and London
The distance between Richardson and London is approximately 7,622 km. A direct flight typically takes around 10 hours. Your arrival clock will show local London time — use our Flight Time Calculator to predict exact arrival times.