Meeting planner
Chicago to London time: best hours to meet
Planning a call between Chicago and London? Here's the time in both cities right now and the hours when both of you are at work.
London is 6 hours ahead of Chicago for most of the year.
Best time to meet: 9:00 AM–11:00 AM in Chicago = 3:00 PM–5:00 PM in London (2 hours when you're both at work).
The next 24 hours
Purple = working hours (9–5) in one city. Green = working hours in both.
| Chicago | London |
|---|---|
| 12:00 AM Sun | 6:00 AM Sun |
| 1:00 AM Sun | 7:00 AM Sun |
| 2:00 AM Sun | 8:00 AM Sun |
| 3:00 AM Sun | 9:00 AM Sun |
| 4:00 AM Sun | 10:00 AM Sun |
| 5:00 AM Sun | 11:00 AM Sun |
| 6:00 AM Sun | 12:00 PM Sun |
| 7:00 AM Sun | 1:00 PM Sun |
| 8:00 AM Sun | 2:00 PM Sun |
| 9:00 AM Sun | 3:00 PM Sun |
| 10:00 AM Sun | 4:00 PM Sun |
| 11:00 AM Sun | 5:00 PM Sun |
| 12:00 PM Sun | 6:00 PM Sun |
| 1:00 PM Sun | 7:00 PM Sun |
| 2:00 PM Sun | 8:00 PM Sun |
| 3:00 PM Sun | 9:00 PM Sun |
| 4:00 PM Sun | 10:00 PM Sun |
| 5:00 PM Sun | 11:00 PM Sun |
| 6:00 PM Sun | 12:00 AM Mon |
| 7:00 PM Sun | 1:00 AM Mon |
| 8:00 PM Sun | 2:00 AM Mon |
| 9:00 PM Sun | 3:00 AM Mon |
| 10:00 PM Sun | 4:00 AM Mon |
| 11:00 PM Sun | 5:00 AM Mon |
Chicago and London time difference through the year
London is 6 hours ahead of Chicago from 28 March to 30 October and from 7 November to 13 March, and 5 hours ahead from 14 March to 27 March and from 31 October to 6 November (dates for 2027).
The difference changes because both cities change their clocks for summer, on different dates.
Best hours for a Chicago–London meeting
When London is 6 hours ahead of Chicago: 9:00 AM–11:00 AM in Chicago = 3:00 PM–5:00 PM in London (2 hours when you're both at work).
When London is 5 hours ahead of Chicago: 9:00 AM–12:00 PM in Chicago = 2:00 PM–5:00 PM in London (3 hours when you're both at work).
Book it without the math
AlignHour is a free Chrome extension for scheduling meetings with clients in London, Chicago and anywhere else. Everyone sees the meeting in their own time, the invite goes from your Google Calendar, and public holidays in both countries are flagged.
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