Chicago to London Time Converter
Convert Chicago to London instantly.
Scroll the timeline to check any hour of the day.
Chicago
CST
12:53
London
BST
6:53
CST and BST 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 CST to BST time difference works
BST is 6 hours ahead of CST. Chicago (CST) is a city in United States. London (BST) is a city in United Kingdom. For example, 9:00 AM CST is 3:00 PM BST. 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
CST offset
UTC-6
BST offset
UTC+0
CST to BST conversion chart
| Chicago (CST) | London (BST) |
|---|---|
| 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 CST (3:00 PM to 5:00 PM BST). Schedule inside that window to catch both coasts during business hours.
Cities in each time zone
Chicago (CST)
HoustonDallasAustinSan AntonioFort WorthLincoln (Nebraska)
London (BST)
Manchester (UK)BirminghamLiverpoolGlasgowLeedsBelfast
CST to BST questions
Is BST ahead of or behind CST?
BST is 6 hours ahead of CST. So 9:00 AM CST is 3:00 PM BST, and 5:00 PM CST is 11:00 PM BST.
What time is BST when it is 12:00 PM CST?
When it is 12:00 PM (noon) CST in Chicago, it is 6:00 PM BST in London.
How many hours difference is there between CST and BST?
There is a 6 hours difference. London (BST) runs 6 hours ahead of Chicago (CST).
Do CST and BST 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 CST and BST?
A standard 9-to-5 workday overlaps from 9:00 AM to 11:00 AM CST (3:00 PM to 5:00 PM BST). Scheduling inside that window keeps the call during business hours in both Chicago and London.
Which cities use CST and BST?
Chicago (CST) covers cities such as Houston, Dallas, Austin, San Antonio, Fort Worth, Lincoln (Nebraska). London (BST) covers cities such as Manchester (UK), Birmingham, Liverpool, Glasgow, Leeds, Belfast.