London to Kolkata time
LondonUnited Kingdom6:31:03 PMSun 27 Sept · BST UTC+1
4 h 30 minKolkata is ahead
KolkataIndia11:01:03 PMSun 27 Sept · IST UTC+5:30Synchronising…
London and Kolkata time difference
Kolkata is currently 4 h 30 min ahead of London. London is on BST (UTC+01:00) and Kolkata is on IST (UTC+05:30).
The difference can change with daylight saving time. The next change is in London on Sunday, 25 October 2026, after which Kolkata will be 5 h 30 min ahead of London.
If it is 9:00 in London, what time is it in Kolkata?
It is 13:30 in Kolkata.
What is the best time for a call between London and Kolkata?
Use the planner above: green hours are within 9:00–17:00 in both places.