London
UTC
Convert BST to UTC
British Summer Time to Coordinated Universal Time — UTC is 1 hour behind London
Quick Facts
Time Difference
-1 hours
BST Full Name
British Summer Time
UTC Full Name
Coordinated Universal Time
BST to UTC Conversion Table
Related Conversions
About BST and UTC Time Zones
BST (British Summer Time) is UTC+1 and covers cities like London, Edinburgh, Cardiff. UTC (Coordinated Universal Time) is UTC+0 and covers cities like Universal reference time.
When it's 12:00 PM (noon) in London (BST), it's 11:00 AM in UTC (UTC). The time difference between BST and UTC is 1 hour — UTC is behind London.
With only a 1-hour difference, London and UTC share nearly a full business day overlap, making scheduling straightforward.
Use our world clock tool to compare London and UTC with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between BST and UTC?
UTC (UTC) is 1 hour behind London (BST). The offset is -1 hours.
Is UTC ahead or behind BST?
UTC is 1 hour behind BST. BST is UTC+1 and UTC is UTC+0.
When it's 12:00 PM in London, what time is it in UTC?
When it's 12:00 PM (noon) in London (BST), it's 11:00 AM in UTC (UTC).
When it's 5:00 PM in London, what time is it in UTC?
When it's 5:00 PM in London (BST), it's 4:00 PM in UTC (UTC).