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Time Difference: Kolkata to London
🇮🇳KolkataUTC+5:30
vs🇬🇧LondonUTC+0
🇮🇳
Kolkata, India
Fri, Apr 17
🇬🇧
London, UK
Fri, Apr 17
Click a time to convert
Time Difference
4 hours 30 minutes
London is 4 hours 30 minutes behind Kolkata
Kolkata vs London timezone guide
Kolkata (India) uses the Asia/Kolkata timezone at UTC+5:30, while London (UK) uses Europe/London at UTC+0. This means London is 5 hours 30 minutes behind Kolkata (based on standard offsets — the live difference above accounts for daylight saving time).
When scheduling a call or meeting between Kolkata and London, look for the overlapping work hours highlighted above. The live clocks on this page update every second, and the difference adjusts automatically when either city enters or exits daylight saving time.