BST to Chicago Time Converter
Convert British Summer Time to Chicago instantly.
Scroll the timeline to check any hour of the day.
British Summer Time
BST
9:25
Chicago
CST
3:25
BST and Chicago are on daylight savings right now, shown as BST and CDT.
Search any city, build a custom world clock, and plan across more time zones and options in the FlutterTime app. Free.
How the BST to Chicago time difference works
Chicago is 6 hours behind BST. British Summer Time (BST) is the spring-to-autumn daylight time of the United Kingdom. Chicago (CST) is a city in United States. For example, 9:00 AM BST is 3:00 AM Chicago. 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
BST offset
UTC+0
Chicago offset
UTC-6
BST to Chicago conversion chart
| British Summer Time (BST) | Chicago (CST) |
|---|---|
| 12:00 AM | 6:00 PM -1 day |
| 1:00 AM | 7:00 PM -1 day |
| 2:00 AM | 8:00 PM -1 day |
| 3:00 AM | 9:00 PM -1 day |
| 4:00 AM | 10:00 PM -1 day |
| 5:00 AM | 11:00 PM -1 day |
| 6:00 AM | 12:00 AM |
| 7:00 AM | 1:00 AM |
| 8:00 AM | 2:00 AM |
| 9:00 AM | 3:00 AM |
| 10:00 AM | 4:00 AM |
| 11:00 AM | 5:00 AM |
| 12:00 PM | 6:00 AM |
| 1:00 PM | 7:00 AM |
| 2:00 PM | 8:00 AM |
| 3:00 PM | 9:00 AM |
| 4:00 PM | 10:00 AM |
| 5:00 PM | 11:00 AM |
| 6:00 PM | 12:00 PM |
| 7:00 PM | 1:00 PM |
| 8:00 PM | 2:00 PM |
| 9:00 PM | 3:00 PM |
| 10:00 PM | 4:00 PM |
| 11:00 PM | 5:00 PM |
Best time to meet
A standard 9 to 5 workday overlaps from 3:00 PM to 5:00 PM BST (9:00 AM to 11:00 AM Chicago). Schedule inside that window to catch both coasts during business hours.
Cities in each time zone
British Summer Time (BST)
LondonManchesterBirminghamGlasgowLiverpoolBristol
Chicago (CST)
HoustonDallasAustinSan AntonioFort WorthLincoln (Nebraska)
BST to Chicago questions
Is Chicago ahead of or behind BST?
Chicago is 6 hours behind BST. So 9:00 AM BST is 3:00 AM Chicago, and 5:00 PM BST is 11:00 AM Chicago.
What time is it in Chicago when it is 12:00 PM BST?
When it is 12:00 PM (noon) BST in British Summer Time, it is 6:00 AM Chicago in Chicago.
How many hours difference is there between BST and Chicago?
There is a 6 hours difference. Chicago (CST) runs 6 hours behind British Summer Time (BST).
Do BST and Chicago observe daylight saving time?
Both British Summer Time and Chicago 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 BST and Chicago?
A standard 9-to-5 workday overlaps from 3:00 PM to 5:00 PM BST (9:00 AM to 11:00 AM Chicago). Scheduling inside that window keeps the call during business hours in both British Summer Time and Chicago.
Which cities use BST and Chicago?
British Summer Time (BST) covers cities such as London, Manchester, Birmingham, Glasgow, Liverpool, Bristol. Chicago (CST) covers cities such as Houston, Dallas, Austin, San Antonio, Fort Worth, Lincoln (Nebraska).