Time difference between London and Chicago
Chicago is 6 hours behind London.
London
10:49:21 AM
Friday, October 23, 2026
Europe/London · UTC+01:00
Chicago
04:49:21 AM
Friday, October 23, 2026
America/Chicago · UTC−05:00
Chicago is 6 hours behind London
London
Fri, Oct 23 · UTC+01:00
Chicago −6 h
Fri, Oct 23 · UTC−05:00
Green = office hours (9:00–18:00). Click a column to pick that time.
| London | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chicago | 18 | 19 | 20 | 21 | 22 | 23 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
Chicago is 6 hours behind London. Right now London (United Kingdom) is on UTC+01:00 and Chicago (United States) on UTC−05:00: when it is 12:00 in London, it is 06:00 in Chicago. The difference is not fixed: it changes when either place switches to or from daylight saving time.
Time difference throughout the year
| From | To | Difference |
|---|---|---|
| Friday, October 23, 2026 | Saturday, October 24, 2026 | Chicago is 6 hours behind London |
| Sunday, October 25, 2026 | Saturday, October 31, 2026 | Chicago is 5 hours behind London |
| Sunday, November 1, 2026 | Saturday, March 13, 2027 | Chicago is 6 hours behind London |
| Sunday, March 14, 2027 | Saturday, March 27, 2027 | Chicago is 5 hours behind London |
| Sunday, March 28, 2027 | Saturday, October 23, 2027 | Chicago is 6 hours behind London |
London to Chicago time conversion
| London | Chicago |
|---|---|
| 00:00 | 18:00 (previous day) |
| 01:00 | 19:00 (previous day) |
| 02:00 | 20:00 (previous day) |
| 03:00 | 21:00 (previous day) |
| 04:00 | 22:00 (previous day) |
| 05:00 | 23:00 (previous day) |
| 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 |
Best time to call
Office hours (9:00 to 18:00) overlap from 15:00 to 17:59 in London, which is 09:00 to 11:59 in Chicago.
Frequently asked questions
Chicago is 6 hours behind London. The difference is not fixed: it changes when either place switches to or from daylight saving time.
It is 03:00.
It is 14:00.
From Sunday, October 25, 2026: Chicago is 5 hours behind London. From Sunday, November 1, 2026: Chicago is 6 hours behind London. From Sunday, March 14, 2027: Chicago is 5 hours behind London. From Sunday, March 28, 2027: Chicago is 6 hours behind London.
Office hours (9:00 to 18:00) overlap from 15:00 to 17:59 in London, which is 09:00 to 11:59 in Chicago.