London to Chicago Time Converter
Europe/London → America/Chicago
:London
06:00Chicago
UTC+00:00 → UTC-06:00 (-6h)
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24-hour conversion table
| London | Chicago |
|---|---|
| 00:00 | 18:00-1 day |
| 01:00 | 19:00-1 day |
| 02:00 | 20:00-1 day |
| 03:00 | 21:00-1 day |
| 04:00 | 22:00-1 day |
| 05:00 | 23:00-1 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 |
Time difference in 2026
- 2026-01-01–2026-03-08: Chicago is 6 h behind London
- 2026-03-08–2026-03-29: Chicago is 5 h behind London
- 2026-03-29–2026-10-25: Chicago is 6 h behind London
- 2026-10-25–2026-11-01: Chicago is 5 h behind London
- 2026-11-01–2026-12-31: Chicago is 6 h behind London
Business hours overlap (09:00–17:00)
London 15:00–17:00 = Chicago 09:00–11:00
About this time difference
In standard time, Chicago is 6 h behind London. London observes daylight saving time; in 2026 the clocks change on March 29 and October 25. Chicago observes daylight saving time; in 2026 the clocks change on March 8 and November 1. As a result, the time difference changes 4 times a year, ranging from 5 h to 6 h.
The two cities compared
| London | Chicago | |
|---|---|---|
| Country | United Kingdom | United States |
| Time zone | Europe/London | America/Chicago |
| Standard time (UTC offset) | UTC+00:00 | UTC-06:00 |
| Daylight saving time | Observed | Observed |
| Population | 8,982,000 | 2,693,000 |
Frequently asked questions
- What is the time difference between London and Chicago?
- March 8–March 29 and October 25–November 1: 5 h; otherwise: 6 h.
- What time is it in Chicago when it is noon in London?
- March 8–March 29 and October 25–November 1: 07:00 in Chicago (same day); otherwise: 06:00 in Chicago (same day).
- Do business hours (09:00–17:00) in the two cities overlap?
- Yes. March 8–March 29 and October 25–November 1: 14:00–17:00 in London (09:00–12:00 in Chicago); otherwise: 15:00–17:00 in London (09:00–11:00 in Chicago).
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