Chicago to London time converter

London is currently 6 hours ahead of Chicago. Chicago is on UTC-5 and London is on UTC+1.

Chicago  
London  

Open this pair on the board →

The difference changes during the year

Because Chicago and London do not start and end daylight saving time together, the gap between them is not constant. Over the next twelve months it takes 2 different values.

Hour by hour while London is 5 hours ahead of Chicago. Shaded rows are inside both working days.
ChicagoLondon
12:00 AM5:00 AM
1:00 AM6:00 AM
2:00 AM7:00 AM
3:00 AM8:00 AM
4:00 AM9:00 AM
5:00 AM10:00 AM
6:00 AM11:00 AM
7:00 AM12:00 PM
8:00 AM1:00 PM
9:00 AM2:00 PM
10:00 AM3:00 PM
11:00 AM4:00 PM
12:00 PM5:00 PM
1:00 PM6:00 PM
2:00 PM7:00 PM
3:00 PM8:00 PM
4:00 PM9:00 PM
5:00 PM10:00 PM
6:00 PM11:00 PM
7:00 PM12:00 AM (next day)
8:00 PM1:00 AM (next day)
9:00 PM2:00 AM (next day)
10:00 PM3:00 AM (next day)
11:00 PM4:00 AM (next day)
Hour by hour while London is 6 hours ahead of Chicago. Shaded rows are inside both working days.
ChicagoLondon
12:00 AM6:00 AM
1:00 AM7:00 AM
2:00 AM8:00 AM
3:00 AM9:00 AM
4:00 AM10:00 AM
5:00 AM11:00 AM
6:00 AM12:00 PM
7:00 AM1:00 PM
8:00 AM2:00 PM
9:00 AM3:00 PM
10:00 AM4:00 PM
11:00 AM5:00 PM
12:00 PM6:00 PM
1:00 PM7:00 PM
2:00 PM8:00 PM
3:00 PM9:00 PM
4:00 PM10:00 PM
5:00 PM11:00 PM
6:00 PM12:00 AM (next day)
7:00 PM1:00 AM (next day)
8:00 PM2:00 AM (next day)
9:00 PM3:00 AM (next day)
10:00 PM4:00 AM (next day)
11:00 PM5:00 AM (next day)

Best time for a call

Taking a working day of 9:00 AM to 6:00 PM on both sides, the overlap in Chicago local time is 9:00 AM to 12:00 PM, which is 3:00 PM onward in London.

Questions

How many hours ahead is London of Chicago?

London is 6 hours ahead of Chicago right now. That gap is not constant through the year, because the two places change their clocks on different dates.

What time is 9:00 AM in Chicago in London?

9:00 AM in Chicago is 3:00 PM in London.

What is the best time for a meeting between Chicago and London?

Assuming a 9:00 AM to 6:00 PM working day on both sides, the overlap in Chicago local time is 9:00 AM to 12:00 PM.

Local time in each city

For the current time on its own, with the daylight saving dates that apply and the working week in that country, see time in Chicago or time in London.

Other conversions from Chicago