Chicago to London Time Converter
Chicago is 6 hours behind London right now.
Chicago UTC−6 · London UTC+0
Chicago → London at a glance
| Chicago | London |
|---|---|
| 09:00 | 15:00 |
| 12:00 | 18:00 |
| 15:00 | 21:00 |
| 18:00 | 00:00 |
| 21:00 | 03:00 |
Chicago currently runs on UTC−6 and London on UTC+0, so Chicago is 6 hours behind London. Chicago is currently on standard time, and London is currently on standard time. Because both cities follow their own clock rules, the 6 hours gap you see today can shift by an hour around the spring and autumn changeovers, which is why this page calculates every value live from the official time zone database instead of a fixed offset. For meetings, the best shared working window today is 09:00–12:00 Chicago time, when both offices are inside normal 09:00–18:00 hours. Use the planner above to drag across a range, compare more cities, then copy a summary or add the slot straight to Google Calendar.
Daylight saving in Chicago and London
Chicago follows North American rules: clocks go forward on the second Sunday in March and back on the first Sunday in November. London follows European rules: clocks go forward on the last Sunday in March and back on the last Sunday in October, at 01:00 UTC.
Frequently asked questions
What is the time difference between Chicago and London?
Chicago is 6 hours behind London right now (Chicago UTC−6, London UTC+0).
Does Chicago or London use daylight saving time?
Chicago is currently on standard time. London is currently on standard time. The gap between them can change when either switches clocks.
What is 9 AM in Chicago in London?
9:00 AM in Chicago is 15:00 in London today.