Time difference between Chicago and London: 6 hours
Chicago
United States · UTC-5
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London
United Kingdom · UTC+1
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Chicago is 6 hours behind London
Best time for a call or meeting
Chicago 09:00–12:00 = London 15:00–18:00
Both cities are within business hours (9:00–18:00).
Convert a specific time
→ London
Hour-by-hour conversion
| Chicago | London |
|---|---|
| 00:00 | 06:00 |
| 01:00 | 07:00 |
| 02:00 | 08:00 |
| 03:00 | 09:00 |
| 04:00 | 10:00 |
| 05:00 | 11:00 |
| 06:00 | 12:00 |
| 07:00 | 13:00 |
| 08:00 | 14:00 |
| 09:00 | 15:00 |
| 10:00 | 16:00 |
| 11:00 | 17:00 |
| 12:00 | 18:00 |
| 13:00 | 19:00 |
| 14:00 | 20:00 |
| 15:00 | 21:00 |
| 16:00 | 22:00 |
| 17:00 | 23:00 |
| 18:00 | 00:00 |
| 19:00 | 01:00 |
| 20:00 | 02:00 |
| 21:00 | 03:00 |
| 22:00 | 04:00 |
| 23:00 | 05:00 |
Business hours 9–18 Waking hours 7–22 Night / early morning
Daylight saving time can change the difference by season. Shown values reflect the current offset.
Frequently asked questions
How many hours is the time difference between Chicago and London?
Chicago is 6 hours behind London. When it is 12:00 noon in Chicago, it is 18:00 in London.
Does daylight saving time affect the difference?
Yes. One or both places observe daylight saving time, so the difference changes with the season. This page shows the current difference.
What is the best time for a call or meeting?
Chicago 09:00–12:00 = London 15:00–18:00. Both cities are within business hours (9:00–18:00).
Other city pairs
Chicago - TokyoChicago - SeoulChicago - ShanghaiChicago - TaipeiChicago - SingaporeChicago - BangkokChicago - DelhiChicago - DubaiChicago - MoscowChicago - ParisChicago - BerlinChicago - New YorkChicago - TorontoChicago - DenverChicago - Los AngelesChicago - HonoluluChicago - SydneyChicago - AucklandChicago - São Paulo