BST to Chicago Time Converter
Convert British Summer Time to Chicago instantly.
Scroll the timeline to check any hour of the day.
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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, fixed at one hour ahead of GMT.
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.
Daylight saving
Chicago only
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)
LondonManchesterBirminghamGlasgowLiverpoolEdinburgh
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?
Chicago observes daylight saving time but British Summer Time does not, so the difference between them changes by an hour twice a year. BST is itself the daylight-saving period of the United Kingdom: clocks there run on BST from late March to late October and return to GMT in winter.
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, Edinburgh. Chicago (CST) covers cities such as Houston, Dallas, Austin, San Antonio, Fort Worth, Lincoln (Nebraska).
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