What time is it in London when it's noon in Chicago?

When it's 12:00 PM in Chicago, it's 6:00 PM in London.

How many hours apart are Chicago and London?

Chicago and London are separated by the current UTC-offset difference between their time zones, adjusted for daylight saving time on each side.

Chicago uses America/Chicago (the IANA time zone database identifier).

City time converter

Convert the current time in Chicago, USA to London, UK. Daylight-saving adjustments applied automatically.

Common times in Chicago and their equivalents in London:

Table computed using a fixed reference date for stability. Use the full converter for any date and time.

Country: USA
Zone: America/Chicago

Country: UK
Zone: Europe/London

What time is it in London when it's noon in Chicago?: When it's 12:00 PM in Chicago, it's 6:00 PM in London.
How many hours apart are Chicago and London?: Chicago and London are separated by the current UTC-offset difference between their time zones, adjusted for daylight saving time on each side.
What time zone does Chicago use?: Chicago uses America/Chicago (the IANA time zone database identifier).