Chicago, United States
Chicago uses Central Time and is often chosen as a scheduling midpoint between the US East and West coasts.
London, United Kingdom
London gave its name to Greenwich Mean Time, the historical reference point for world time zones.
Planning a Call Between Chicago and London
When scheduling between these two cities, remember that the time difference can shift by an hour for a week or two each spring and autumn if Chicago and London change their clocks for Daylight Saving Time on different dates. Always check the live converter above rather than relying on a remembered offset.
Frequently Asked Questions
What is the time difference between Chicago and London?
The exact difference shown above updates live and accounts for Daylight Saving Time in both Chicago and London, since the gap between these two cities can shift by an hour during the weeks each region's clocks change on different dates.
Is Chicago ahead of or behind London?
Use the converter above to see the current live difference, since it can shift seasonally depending on each city's Daylight Saving Time schedule.
What's a good meeting time between Chicago and London?
Check the converter above for a few candidate hours and compare against typical business hours (roughly 9 AM to 6 PM local time) in both Chicago and London to find genuine overlap.