Chicago vs London time difference
London is 5 h ahead
Chicago 20:09 · London 01:09. From November 1 London will be 6 h ahead.
Chicago now
20:09:06
Saturday, October 24UTC-5, CDT
London now
01:09:06
Sunday, October 25UTC+0, GMT
Convert a time
Using today's difference: 5 h. From November 1: 6 h.
When the difference changes
-
1Nov 2026
Chicago moves its clocks one hour back in 8 days
The difference becomes 6 h: London ahead
-
14Mar 2027
Chicago moves its clocks one hour forward
The difference becomes 5 h: London ahead
-
28Mar 2027
London moves its clocks one hour forward
The difference becomes 6 h: London ahead
-
31Oct 2027
London moves its clocks one hour back
The difference becomes 5 h: London ahead
-
7Nov 2027
Chicago moves its clocks one hour back
The difference becomes 6 h: London ahead
Both cities change their clocks, on different dates.