Chicago to London Time Difference
London is 6 hours ahead of Chicago. Compare CST/CDT and GMT/BST times and find the best meeting hours.
Chicago
09:52 PM
Saturday, Jan 31 • CST/CDT
London
03:52 AM
Sunday, Feb 1 • GMT/BST
Frequently Asked Questions
What is the time difference between Chicago and London?
London is 6 hours ahead of Chicago. When it's 12:00 PM (noon) in Chicago, it's 18:00 PM in London.
What time is it in London when it's 9 AM in Chicago?
When it's 9:00 AM in Chicago, it's 15:00 PM in London.
What is the best time for a meeting between Chicago and London?
The best time for a meeting between Chicago and London is during overlapping business hours. For Chicago (9 AM - 6 PM), this typically means scheduling between 9:00 AM and 12:00 PM Chicago time, which corresponds to business hours in London.
Does London observe Daylight Saving Time?
Time differences between Chicago and London may vary throughout the year due to Daylight Saving Time (DST) changes. Use our timezone converter to see the current accurate time difference and plan meetings accordingly.
About Chicago and London Time Zones
Chicago operates on CST/CDT time, while London uses GMT/BST. The time difference between these cities is typically 6 hours, though this may vary during Daylight Saving Time transitions.
When planning meetings or calls between Chicago and London, consider scheduling during the overlapping business hours. Our timezone comparison tool above highlights these overlap periods to help you find the most convenient times for all participants.