London
Istanbul
Convert BST to TRT
British Summer Time to Turkey Time — Istanbul is 2 hours ahead of London
Quick Facts
Time Difference
+2 hours
BST Full Name
British Summer Time
TRT Full Name
Turkey Time
BST to TRT Conversion Table
Related Conversions
About BST and TRT Time Zones
BST (British Summer Time) is UTC+1 and covers cities like London, Edinburgh, Cardiff. TRT (Turkey Time) is UTC+3 and covers cities like Istanbul, Ankara, Izmir.
When it's 12:00 PM (noon) in London (BST), it's 2:00 PM in Istanbul (TRT). The time difference between BST and TRT is 2 hours — Istanbul is ahead of London.
With only a 2-hour difference, London and Istanbul share nearly a full business day overlap, making scheduling straightforward.
Use our world clock tool to compare London and Istanbul with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between BST and TRT?
Istanbul (TRT) is 2 hours ahead of London (BST). The offset is +2 hours.
Is TRT ahead or behind BST?
TRT is 2 hours ahead of BST. BST is UTC+1 and TRT is UTC+3.
When it's 12:00 PM in London, what time is it in Istanbul?
When it's 12:00 PM (noon) in London (BST), it's 2:00 PM in Istanbul (TRT).
When it's 5:00 PM in London, what time is it in Istanbul?
When it's 5:00 PM in London (BST), it's 7:00 PM in Istanbul (TRT).