Paris
London
Convert CET to BST
Central European Time to British Summer Time — London is 1 hour behind Paris
Quick Facts
Time Difference
-1 hours
CET Full Name
Central European Time
BST Full Name
British Summer Time
CET to BST Conversion Table
Related Conversions
About CET and BST Time Zones
CET (Central European Time) is UTC+1 and covers cities like Paris, Berlin, Rome. BST (British Summer Time) is UTC+1 and covers cities like London, Edinburgh, Cardiff.
When it's 12:00 PM (noon) in Paris (CET), it's 11:00 AM in London (BST). The time difference between CET and BST is 1 hour — London is behind Paris.
With only a 0-hour difference, Paris and London share nearly a full business day overlap, making scheduling straightforward.
Daylight Saving Time
CET observes Daylight Saving Time and becomes CEST (Central European Summer Time) during summer months, shifting clocks forward by 1 hour to UTC+2.
During DST transitions, the time difference between CET and BST may shift by ±1 hour. Always verify the current offset above for the most accurate conversion.
Use our world clock tool to compare Paris and London with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between CET and BST?
London (BST) is 1 hour behind Paris (CET). The offset is -1 hours.
Is BST ahead or behind CET?
BST is 1 hour behind CET. CET is UTC+2 and BST is UTC+1.
When it's 12:00 PM in Paris, what time is it in London?
When it's 12:00 PM (noon) in Paris (CET), it's 11:00 AM in London (BST).
When it's 5:00 PM in Paris, what time is it in London?
When it's 5:00 PM in Paris (CET), it's 4:00 PM in London (BST).
Does CET change for Daylight Saving Time?
Yes. CET (Central European Time, UTC+1) becomes CEST (Central European Summer Time, UTC+2) in summer, shifting clocks forward 1 hour.