London to Chicago Time Converter
Chicago is -6h behind London
Quick converter
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FROM
London
United Kingdom
UTC+01:00
TO
Chicago
United States
UTC-05:00
Date-aware conversion
Convert a specific date and time
Result
Wed, May 27, 2026 18:41
London: Thursday, May 28, 2026 12:41 AM GMT+1 to Chicago: Wednesday, May 27, 2026 6:41 PM CDT.
Chicago is 6h behind London on this date
24-Hour Comparison
Every hour in London and the corresponding time in Chicago. Green rows indicate business hours in Chicago.
Time zones
London uses Europe/London (GMT+1) and Chicago uses America/Chicago (CDT). The difference can shift during daylight saving changes, so checking the exact date matters.
Best use
Use the green rows to spot normal working hours in Chicago. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
Best time for London and Chicago
The easiest overlap starts around 3:00 PM and runs through 5:00 PM in the source city, while the destination city is also inside normal working hours. For important calls, check the meeting date because the offset can change when either location enters or leaves daylight saving time.
Compare meeting hoursQuick examples
City context
About these cities
About London
London is located in United Kingdom (Europe). It uses the Europe/London timezone with a standard offset of UTC+01:00. It observes DST, switching between GMT and BST. See the full London time page for live clock and planning details.
About Chicago
Chicago is located in United States (North America). It uses the America/Chicago timezone with a standard offset of UTC-05:00. It observes DST, switching between CST and CDT. See the full Chicago time page for live clock and planning details.
Frequently Asked Questions
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