Chicago to London Time Converter
Convert Chicago to London instantly.
Scroll the timeline to check any hour of the day.
Chicago
CST
1:08
London
GMT
7:08
Chicago and London are on daylight savings right now, shown as CDT and BST.
Search any city, build a custom world clock, and plan across more time zones and options in the FlutterTime app. Free.
How the Chicago to London time difference works
London is 6 hours ahead of Chicago. Chicago (CST) is a city in United States. London (GMT) is a city in United Kingdom. For example, 9:00 AM Chicago is 3:00 PM London. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
6 hours
Daylight saving
Both observe
Chicago offset
UTC-6
London offset
UTC+0
Chicago to London conversion chart
| Chicago (CST) | London (GMT) |
|---|---|
| 12:00 AM | 6:00 AM |
| 1:00 AM | 7:00 AM |
| 2:00 AM | 8:00 AM |
| 3:00 AM | 9:00 AM |
| 4:00 AM | 10:00 AM |
| 5:00 AM | 11:00 AM |
| 6:00 AM | 12:00 PM |
| 7:00 AM | 1:00 PM |
| 8:00 AM | 2:00 PM |
| 9:00 AM | 3:00 PM |
| 10:00 AM | 4:00 PM |
| 11:00 AM | 5:00 PM |
| 12:00 PM | 6:00 PM |
| 1:00 PM | 7:00 PM |
| 2:00 PM | 8:00 PM |
| 3:00 PM | 9:00 PM |
| 4:00 PM | 10:00 PM |
| 5:00 PM | 11:00 PM |
| 6:00 PM | 12:00 AM +1 day |
| 7:00 PM | 1:00 AM +1 day |
| 8:00 PM | 2:00 AM +1 day |
| 9:00 PM | 3:00 AM +1 day |
| 10:00 PM | 4:00 AM +1 day |
| 11:00 PM | 5:00 AM +1 day |
Best time to meet
A standard 9 to 5 workday overlaps from 9:00 AM to 11:00 AM Chicago (3:00 PM to 5:00 PM London). Schedule inside that window to catch both coasts during business hours.
Cities in each time zone
Chicago (CST)
HoustonDallasAustinSan AntonioFort WorthLincoln (Nebraska)
London (GMT)
BirminghamLiverpoolGlasgowBristolLeedsBelfast
Chicago to London questions
Is London ahead of or behind Chicago?
London is 6 hours ahead of Chicago. So 9:00 AM Chicago is 3:00 PM London, and 5:00 PM Chicago is 11:00 PM London.
What time is it in London when it is 12:00 PM Chicago?
When it is 12:00 PM (noon) Chicago in Chicago, it is 6:00 PM London in London.
How many hours difference is there between Chicago and London?
There is a 6 hours difference. London (GMT) runs 6 hours ahead of Chicago (CST).
Do Chicago and London observe daylight saving time?
Both Chicago and London observe daylight saving time, but they switch on different dates, so the gap briefly shifts by an hour around the spring and autumn changeovers.
What is the best time to schedule a meeting between Chicago and London?
A standard 9-to-5 workday overlaps from 9:00 AM to 11:00 AM Chicago (3:00 PM to 5:00 PM London). Scheduling inside that window keeps the call during business hours in both Chicago and London.
Which cities use Chicago and London?
Chicago (CST) covers cities such as Houston, Dallas, Austin, San Antonio, Fort Worth, Lincoln (Nebraska). London (GMT) covers cities such as Birmingham, Liverpool, Glasgow, Bristol, Leeds, Belfast.