London vs Chicago
Live local times and 24-hour overlap for London (United Kingdom) and Chicago (United States). Time difference is currently 6 hours.
United Kingdom
London
2:40 PM
UTC+01:00 · GMT+1· DST shifts
United States
Chicago
8:40 AM
UTC-05:00 · CDT· DST shifts
Best overlap
Best overlap: 1:00 PM–4:00 PM London time (2/2 zones in business hours).
UTC 12:00–16:00
- London1:00 PM–4:00 PM
- Chicago7:00 AM–10:00 AM
24-hour grid
Local time in each city for every UTC hour today. Business hours (9–17 local) highlighted.
| UTC | London | Chicago |
|---|---|---|
| 00:00 | 1:00 AM | 7:00 PM |
| 01:00 | 2:00 AM | 8:00 PM |
| 02:00 | 3:00 AM | 9:00 PM |
| 03:00 | 4:00 AM | 10:00 PM |
| 04:00 | 5:00 AM | 11:00 PM |
| 05:00 | 6:00 AM | 12:00 AM |
| 06:00 | 7:00 AM | 1:00 AM |
| 07:00 | 8:00 AM | 2:00 AM |
| 08:00 | 9:00 AM | 3:00 AM |
| 09:00 | 10:00 AM | 4:00 AM |
| 10:00 | 11:00 AM | 5:00 AM |
| 11:00 | 12:00 PM | 6:00 AM |
| 12:00 | 1:00 PM | 7:00 AM |
| 13:00 | 2:00 PM | 8:00 AM |
| 14:00 | 3:00 PM | 9:00 AM |
| 15:00 | 4:00 PM | 10:00 AM |
| 16:00 | 5:00 PM | 11:00 AM |
| 17:00 | 6:00 PM | 12:00 PM |
| 18:00 | 7:00 PM | 1:00 PM |
| 19:00 | 8:00 PM | 2:00 PM |
| 20:00 | 9:00 PM | 3:00 PM |
| 21:00 | 10:00 PM | 4:00 PM |
| 22:00 | 11:00 PM | 5:00 PM |
| 23:00 | 12:00 AM | 6:00 PM |
About
About the London–Chicago time difference
The time difference is currently 6 hours. London uses Europe/London (UTC+01:00) while Chicago uses America/Chicago (UTC-05:00).
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 London and Chicago?
The current time difference between London and Chicago is 6 hours. London is in the Europe/London timezone (UTC+01:00) and Chicago is in the America/Chicago timezone (UTC-05:00). This difference may change seasonally due to Daylight Saving Time.
What is the best time to call between London and Chicago?
Best overlap: 1:00 PM–4:00 PM London time (2/2 zones in business hours). The best meeting window is UTC 12:00–16:00.
Does the time difference between London and Chicago 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.