London to Chicago Time Difference
London is 6 hours ahead of Chicago. See live clocks for both cities and an hour-by-hour meeting planner to find the best time to talk between London and Chicago.
Meeting planner: London ↔ Chicago
Green rows are comfortable hours (9am–6pm) in both cities — the best times to talk.
| London | Chicago |
|---|---|
| 00:00 | 18:00 −1d |
| 01:00 | 19:00 −1d |
| 02:00 | 20:00 −1d |
| 03:00 | 21:00 −1d |
| 04:00 | 22:00 −1d |
| 05:00 | 23:00 −1d |
| 06:00 | 00:00 |
| 07:00 | 01:00 |
| 08:00 | 02:00 |
| 09:00 | 03:00 |
| 10:00 | 04:00 |
| 11:00 | 05:00 |
| 12:00 | 06:00 |
| 13:00 | 07:00 |
| 14:00 | 08:00 |
| 15:00 | 09:00 |
| 16:00 | 10:00 |
| 17:00 | 11:00 |
| 18:00 | 12:00 |
| 19:00 | 13:00 |
| 20:00 | 14:00 |
| 21:00 | 15:00 |
| 22:00 | 16:00 |
| 23:00 | 17:00 |
Time difference between London and Chicago
London is 6 hours ahead of Chicago. London is in the BST time zone and Chicago is in CDT. The clocks above are live, so the difference is always up to date — including when either city is on daylight saving time.
Frequently asked questions
What is the time difference between London and Chicago?
London is 6 hours ahead of Chicago.
When it is noon in London, what time is it in Chicago?
Use the planner above — read across from 12:00 in the London column to the Chicago column.
What is the best time to schedule a call between London and Chicago?
The green rows in the planner show hours that fall within 9am–6pm in both cities — those are the most convenient times for a meeting.
Does this account for daylight saving time?
Yes — the clocks and difference use live time-zone data, so they adjust automatically when either city changes its clocks.