Time Difference Between Kolkata and London
Kolkata is 4h 30m ahead of London. This difference shifts by an hour around daylight saving time changes.
Best time to connect
Standard working hours (9:00 AM–5:00 PM) in Kolkata fall between 4:30 AM and 12:30 PM in London.
Frequently asked questions
- How many hours is London behind Kolkata?
- Kolkata is 4h 30m ahead of London. Note that this changes by an hour across daylight saving time transitions.
- Do Kolkata and London observe daylight saving time?
- Kolkata does not observe daylight saving time, and London observes it. Because of that, the gap is 5h 30m for part of the year and 4h 30m for the rest.