London to Chicago time converter

Chicago is 6 hours behind London. When it is 9:00 AM in London, it is 3:00 AM in Chicago.

London BST

Friday, October 16, 2026

Chicago CDT

Friday, October 16, 2026

London
United Kingdom
Fri, Oct 16
BSTUTC+1
Chicago
Illinois, United States
Fri, Oct 16
CDTUTC-5-6h
Finding your time zone…
Shared working hours (9:00–18:00)

London to Chicago conversion table

Every hour of today in London and the matching time in Chicago. Light rows are typical working hours (9:00–18:00).

LondonChicago
12:00 AM6:00 PM−1 day
1:00 AM7:00 PM−1 day
2:00 AM8:00 PM−1 day
3:00 AM9:00 PM−1 day
4:00 AM10:00 PM−1 day
5:00 AM11:00 PM−1 day
6:00 AM12:00 AM
7:00 AM1:00 AM
8:00 AM2:00 AM
9:00 AM3:00 AM
10:00 AM4:00 AM
11:00 AM5:00 AM
12:00 PM6:00 AM
1:00 PM7:00 AM
2:00 PM8:00 AM
3:00 PM9:00 AM
4:00 PM10:00 AM
5:00 PM11:00 AM
6:00 PM12:00 PM
7:00 PM1:00 PM
8:00 PM2:00 PM
9:00 PM3:00 PM
10:00 PM4:00 PM
11:00 PM5:00 PM

Best time to call or meet

Both sides are at work from 3:00 PM – 6:00 PM in London (9:00 AM – 12:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because London and Chicago switch clocks on different dates:

  • Oct 16, 2026 – Oct 25, 2026: -6h
  • Oct 25, 2026 – Nov 1, 2026: -5h
  • Nov 1, 2026 – Mar 14, 2027: -6h
  • Mar 14, 2027 – Mar 28, 2027: -5h
  • Mar 28, 2027 – Oct 16, 2027: -6h

Distance

London and Chicago are 6,356 km (3,949 miles) apart in a straight line.

More conversions

Chicago to LondonLondon to New YorkLondon to Los AngelesLondon to TorontoLondon to São PauloLondon to ParisLondon to BerlinLondon to MoscowLondon to DubaiLondon to New DelhiLondon to BangkokLondon to SingaporeLondon to Shanghai
New York to ChicagoLos Angeles to ChicagoToronto to ChicagoSão Paulo to ChicagoParis to ChicagoBerlin to ChicagoMoscow to ChicagoDubai to ChicagoNew Delhi to ChicagoBangkok to ChicagoSingapore to ChicagoShanghai to Chicago

Questions and answers

What is the time difference between London and Chicago?

Chicago is 6 hours behind London.

What time is it in Chicago when it is 9 AM in London?

When it is 9:00 AM in London, it is 3:00 AM in Chicago.

When is the best time to call Chicago from London?

Both sides are at work from 3:00 PM – 6:00 PM in London (9:00 AM – 12:00 PM in Chicago).

Does the time difference between London and Chicago change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.