BST
London
CST
Chicago
Convert BST to CST
British Summer Time to Central Standard Time — Chicago is 5 hours behind London
5:27 PM
Friday, March 27, 2026
UTC+0
12:27 PM
Friday, March 27, 2026
UTC-5
Quick Facts
Time Difference
-5 hours
BST Full Name
British Summer Time
CST Full Name
Central Standard Time
BST to CST Conversion Table
BST (London)
CST (Chicago)
12:00 AM
7:00 PM(Mar 26)
1:00 AM
8:00 PM(Mar 26)
2:00 AM
9:00 PM(Mar 26)
3:00 AM
10:00 PM(Mar 26)
4:00 AM
11:00 PM(Mar 26)
5:00 AM
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
Related Conversions
About BST and CST Time Zones
BST (British Summer Time) is UTC+0 and is the standard time zone for London. CST (Central Standard Time) is UTC-5 and is the standard time zone for Chicago.
When it's 12:00 PM (noon) in London (BST), it's 7:00 AM in Chicago (CST). The time difference between BST and CST is 5 hours.
Use our world clock tool to compare London and Chicago with a visual timeline, or browse more timezone conversions.