Chicago--:--Now
+6h
London--:--Now
Time difference between Chicago and London
London is 6 hours ahead of Chicago. When it's noon in Chicago, it's 18:00 in London.
These clocks are live, and the difference shown is today's, daylight saving included.
Times side by side
| Chicago | London | Time of day |
|---|---|---|
| 08:00 | 14:00 | Midday in London |
| 09:00 | 15:00 | Afternoon in London |
| 12:00 | 18:00 | Evening in London |
| 15:00 | 21:00 | Dusk in London |
| 17:00 | 23:00 | Dusk in London |
| 18:00 | 00:00 next day | Night in London |
| 21:00 | 03:00 next day | Night in London |
Best time to call
Working hours (9:00 to 17:00) overlap from 09:00 to 11:00 in Chicago, which is 15:00 to 17:00 in London.
Daylight saving
The gap is usually 6 hours, but Chicago and London change their clocks on different dates, so in 2027 it's different for a short while: Mar 14 to Mar 27 (5 hours); Oct 31 to Nov 6 (5 hours). If you're planning something around those dates, double-check the time.
Questions
What is the time difference between Chicago and London?
London is 6 hours ahead of Chicago. When it's noon in Chicago, it's 18:00 in London.
Does daylight saving change the time difference between Chicago and London?
The gap is usually 6 hours, but Chicago and London change their clocks on different dates, so in 2027 it's different for a short while: Mar 14 to Mar 27 (5 hours); Oct 31 to Nov 6 (5 hours). If you're planning something around those dates, double-check the time.
What's the best time for a call between Chicago and London?
Working hours (9:00 to 17:00) overlap from 09:00 to 11:00 in Chicago, which is 15:00 to 17:00 in London.
Keep both clocks on your Home Screen
Timo puts both cities side by side with the difference already worked out, colours each one by its time of day, and gives you a dial to find a time that suits you both. Free, with no ads and no account.
