CST to BST Time Converter
Central Standard Time → British Summer Time
CST = UTC-5BST = UTC+1
⚠️ CST is ambiguous — on this page it means Central Standard Time. It also refers to:
⚠️ BST is ambiguous — on this page it means British Summer Time. It also refers to:
CST (Chicago) ↔ BST (London)
2h of business hours overlap daily (09:00–17:00)
CST (Chicago)
BST (London)
Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.
Frequently Asked Questions
What is the difference between cst and bst?
Central Standard Time (cst) is UTC-5 and British Summer Time (bst) is UTC+1. The difference between them is 6 hours.
Where is cst used?
Central Standard Time (cst) is used in USA and surrounding regions. The IANA timezone identifier is America/Chicago. Note: cst is ambiguous and may refer to other timezones.
Where is bst used?
British Summer Time (bst) is used in United Kingdom and surrounding regions. The IANA timezone identifier is Europe/London. Note: bst is ambiguous and may refer to other timezones.
How do I convert cst to bst?
Use the interactive converter above. Drag the time slider to any cst time and the bst equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
Popular CST conversions
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