London is 6 hours ahead of Chicago. When it is noon in Chicago, it is 6:00 PM in London. The same gap applies whether you look at it as Chicago to London or London to Chicago.
London is 6 hours ahead of Chicago, usually.
The gap is not constant. Because Chicago and London change their clocks on different dates, the difference becomes 5 hours for part of the year. The live section above shows the exact gap right now and when it next changes.
| Chicago | London |
|---|---|
| 6:00 AM | 12:00 PM |
| 9:00 AM | 3:00 PM |
| 12:00 PM | 6:00 PM |
| 3:00 PM | 9:00 PM |
| 6:00 PM | 12:00 AM (next day) |
| 9:00 PM | 3:00 AM (next day) |
Based on the usual 6 hours gap.
During standard 9-to-5 working hours, Chicago and London overlap for 2 hours, from 9:00 AM to 11:00 AM in Chicago (3:00 PM to 5:00 PM in London). If you stretch the day to 7 AM to 10 PM in both cities, the shared window is 7:00 AM to 4:00 PM in Chicago (1:00 PM to 10:00 PM in London).
The best time to call is around 10:00 AM in Chicago (4:00 PM in London). That time falls inside standard working hours in both cities. These times use the usual gap; for a few weeks each year, shift them by the difference noted above.
London is 6 hours ahead of Chicago, usually. It becomes 5 hours for part of the year.
London is 6 hours ahead of Chicago.
Yes. The usual gap is 6 hours, but because Chicago and London change their clocks on different dates, it becomes 5 hours for part of the year. The live section above lists the next changes.
The best time to call is around 10:00 AM in Chicago (4:00 PM in London). That time falls inside standard working hours in both cities. During standard 9-to-5 working hours, Chicago and London overlap for 2 hours, from 9:00 AM to 11:00 AM in Chicago (3:00 PM to 5:00 PM in London).