Chicago vs London
Live local times and 24-hour overlap for Chicago (United States) and London (United Kingdom). Time difference is currently 6 hours.
United States
Chicago
7:24 AM
UTC-05:00 · CDT· DST shifts
United Kingdom
London
1:24 PM
UTC+01:00 · GMT+1· DST shifts
Best overlap
Best overlap: 7:00 AM–10:00 AM Chicago time (2/2 zones in business hours).
UTC 12:00–16:00
- Chicago7:00 AM–10:00 AM
- London1:00 PM–4:00 PM
24-hour grid
Local time in each city for every UTC hour today. Business hours (9–17 local) highlighted.
| UTC | Chicago | London |
|---|---|---|
| 00:00 | 7:00 PM | 1:00 AM |
| 01:00 | 8:00 PM | 2:00 AM |
| 02:00 | 9:00 PM | 3:00 AM |
| 03:00 | 10:00 PM | 4:00 AM |
| 04:00 | 11:00 PM | 5:00 AM |
| 05:00 | 12:00 AM | 6:00 AM |
| 06:00 | 1:00 AM | 7:00 AM |
| 07:00 | 2:00 AM | 8:00 AM |
| 08:00 | 3:00 AM | 9:00 AM |
| 09:00 | 4:00 AM | 10:00 AM |
| 10:00 | 5:00 AM | 11:00 AM |
| 11:00 | 6:00 AM | 12:00 PM |
| 12:00 | 7:00 AM | 1:00 PM |
| 13:00 | 8:00 AM | 2:00 PM |
| 14:00 | 9:00 AM | 3:00 PM |
| 15:00 | 10:00 AM | 4:00 PM |
| 16:00 | 11:00 AM | 5:00 PM |
| 17:00 | 12:00 PM | 6:00 PM |
| 18:00 | 1:00 PM | 7:00 PM |
| 19:00 | 2:00 PM | 8:00 PM |
| 20:00 | 3:00 PM | 9:00 PM |
| 21:00 | 4:00 PM | 10:00 PM |
| 22:00 | 5:00 PM | 11:00 PM |
| 23:00 | 6:00 PM | 12:00 AM |
About
About the Chicago–London time difference
The time difference is currently 6 hours. Chicago uses America/Chicago (UTC-05:00) while London uses Europe/London (UTC+01:00).
The gap can shift by an hour when one city observes Daylight Saving Time and the other doesn't. AllTimeZone always reflects the current correct difference, drawn live from the IANA timezone database.
FAQ
What is the time difference between Chicago and London?
The current time difference between Chicago and London is 6 hours. Chicago is in the America/Chicago timezone (UTC-05:00) and London is in the Europe/London timezone (UTC+01:00). This difference may change seasonally due to Daylight Saving Time.
What is the best time to call between Chicago and London?
Best overlap: 7:00 AM–10:00 AM Chicago time (2/2 zones in business hours). The best meeting window is UTC 12:00–16:00.
Does the time difference between Chicago and London change?
Yes, the time difference can change temporarily when one location switches to or from Daylight Saving Time (DST) while the other does not. Not all countries observe DST, and those that do switch on different dates.