Istanbul
London
Convert TRT to BST
Turkey Time to British Summer Time — London is 3 hours behind Istanbul
Quick Facts
Time Difference
-3 hours
TRT Full Name
Turkey Time
BST Full Name
British Summer Time
TRT to BST Conversion Table
Related Conversions
About TRT and BST Time Zones
TRT (Turkey Time) is UTC+3 and covers cities like Istanbul, Ankara, Izmir. BST (British Summer Time) is UTC+1 and covers cities like London, Edinburgh, Cardiff.
When it's 12:00 PM (noon) in Istanbul (TRT), it's 9:00 AM in London (BST). The time difference between TRT and BST is 3 hours — London is behind Istanbul.
With only a 2-hour difference, Istanbul and London share nearly a full business day overlap, making scheduling straightforward.
Use our world clock tool to compare Istanbul and London with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between TRT and BST?
London (BST) is 3 hours behind Istanbul (TRT). The offset is -3 hours.
Is BST ahead or behind TRT?
BST is 3 hours behind TRT. TRT is UTC+3 and BST is UTC+0.
When it's 12:00 PM in Istanbul, what time is it in London?
When it's 12:00 PM (noon) in Istanbul (TRT), it's 9:00 AM in London (BST).
When it's 5:00 PM in Istanbul, what time is it in London?
When it's 5:00 PM in Istanbul (TRT), it's 2:00 PM in London (BST).