IST to BST time
ISTIndia Standard Time9:07:40 PMFri 9 Oct · IST UTC+5:30
4 h 30 minBST is behind
BSTBritish Summer Time4:37:40 PMFri 9 Oct · BST UTC+1Synchronising…
IST and BST time difference
BST is currently 4 h 30 min behind IST. IST is on IST (UTC+05:30) and BST is on BST (UTC+01:00).
The difference can change with daylight saving time. The next change is in BST on Sunday, 25 October 2026, after which BST will be 5 h 30 min behind IST.
If it is 9:00 in IST, what time is it in BST?
It is 04:30 in BST.
What is the best time for a call between IST and BST?
Use the planner above: green hours are within 9:00–17:00 in both places.