Time Difference between Kolkata and London
Kolkata (UTC+5:30) → London (UTC+0)
🕐 Interactive Time Explorer
When it's 16:00 in Kolkata, it's 10.5:00 in London
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Kolkata & London✓ Perfect Match (2 hours)
◐ Extended Hours (7 hours)
✈️ Travel Information
Distance
7,962 km
Est. Flight Time
~10.4h
Time Difference
-5.5h
Work Hours Overlap
2h
Limited
🔴 Office Closed
Tomorrow 15:00
15:00 - 17:00
⏰ Quick Conversion
06:00
Kolkata
0.5:00
London
09:00
Kolkata
3.5:00
London
12:00
Kolkata
6.5:00
London
15:00
Kolkata
9.5:00
London
18:00
Kolkata
12.5:00
London
21:00
Kolkata
15.5:00
London
00:00
Kolkata
18.5:00
London (-1)
03:00
Kolkata
21.5:00
London (-1)
❓ Frequently Asked Questions
Time Difference Between Kolkata and London
Kolkata, India and London, United Kingdom are separated by a time difference of 5 hours 30 min. When it's noon in Kolkata, it's 5 hours 30 min earlier in London.
Kolkata operates on Asia/Kolkata timezone, while London uses Europe/London. Both cities may observe Daylight Saving Time at different dates, which can temporarily change the time difference by an hour.
Best Time to Call
To catch business hours in both cities, consider scheduling calls during late afternoon in Kolkata.
Flight Considerations
The distance between Kolkata and London is approximately 7,962 km. A direct flight typically takes around 10.4 hours. When traveling, remember that your arrival time will be in local time. Use our Flight Time Calculator for accurate arrival predictions.