London to Kolkata Time Difference
London ticks 4 hours 30 minutes behind the other location
Quick time conversions: London → Kolkata
Common reference points to help you plan across the time difference.
At 4:00 PM London time, you're looking at 8:30 PM in Kolkata.
London 2:00 PM — what's that in Kolkata?—6:30 PM
6:00 AMin London→10:30 AMin Kolkata
When it's 7:00 AM in London, the time in Kolkata is 11:30 AM.
3:00 PMin London→7:30 PMin Kolkata
What's the Kolkata equivalent of 8:00 AM London?—12:30 PM
12:00 PMin London→4:30 PMin Kolkata
Frequently Asked Questions
What is the London to Kolkata time difference?
Currently London (Europe/London) and Kolkata (Asia/Kolkata) differ by 4 hours 30 minutes.
When do London and Kolkata business hours overlap?
You have 3.5 hours of mutual business hours. 09:00 London / 13:00 Kolkata is typically the sweet spot.
Does daylight saving time affect the London–Kolkata difference?
The 4 hours 30 minutes difference between London and Kolkata is stable — no DST changes expected in the next 7 days.
What time does Kolkata show when London hits midday?
12:00 PM in London is 4:30 PM in Kolkata at the same moment.
How does the London to Kolkata time converter work?
Use the interactive slider above. Drag it to any London hour and all locations update instantly. Or type "3pm" / "15:00" in the search bar.
What public holidays should I keep in mind when scheduling between London and Kolkata?
London observes World Cup Bank Holiday on June 15. Keep this in mind when coordinating between London and Kolkata.
What time zones do London and Kolkata use?
London observes Europe/London and Kolkata observes Asia/Kolkata. Their UTC offset difference is 4 hours 30 minutes.
9 AM London time converts to what in Kolkata?
9 AM in London → 1:30 PM in Kolkata. That's within standard working hours in Kolkata.
London ↔ Kolkata
4h of business hours overlap daily (09:00–17:00)· Showing core hours (08:00–18:00)
London
Kolkata
Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.