London ↔ Chicago Time Zone Converter
London leads by 6 hours
Frequently Asked Questions
How far ahead or behind is Chicago from London?
London and Chicago are 6 hours apart. London (Europe/London) is ahead of Chicago (America/Chicago).
Is there a good meeting window between London and Chicago?
Both locations are simultaneously in business hours for 2 hours per day. 15:00 London / 09:00 Chicago works well for both parties.
Will DST change the time gap between London and Chicago?
You can plan confidently — no DST shifts are due for either location this week, so the 6 hours gap won't change.
12:00 PM in London is what time in Chicago?
When it is 12:00 noon in London, it is 6:00 AM in Chicago.
What is the easiest way to convert between London and Chicago time zones?
Simply drag the slider to your London time — Chicago and all other locations update in real time. Accuracy is to the minute, DST-aware.
Are there any upcoming public holidays in London or Chicago?
Watch out for Battle of the Boyne in London on July 13 — offices may be closed or understaffed.
How do London and Chicago relate to UTC?
London runs on Europe/London (IANA) and Chicago on America/Chicago (IANA) — a 6 hours gap between them.
Are London and Chicago east or west of UTC?
London uses Europe/London and Chicago uses America/Chicago. The 6 hours difference between them reflects their distinct UTC offset positions.
Quick time conversions: London → Chicago
Common reference points to help you plan across the time difference.
At 12:00 PM London time, you're looking at 6:00 AM in Chicago.
If it's 7:00 AM where I am in London, what does Chicago show?—1:00 AM
1:00 PMin London→7:00 AMin Chicago
When London clocks show 11:00 AM, Chicago reads 5:00 AM.
8:00 AMin London→2:00 AMin Chicago
What time is 6:00 PM London in Chicago?—12:00 PM
London ↔ Chicago
2h of business hours overlap daily (09:00–17:00)
London
Chicago
Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.