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Time Difference: Kolkata to Sydney
🇮🇳KolkataUTC+5:30
vs🇦🇺SydneyUTC+10
🇮🇳
Kolkata, India
Sat, Apr 18
🇦🇺
Sydney, Australia
Sun, Apr 19
Click a time to convert
Time Difference
4 hours 30 minutes
Sydney is 4 hours 30 minutes ahead of Kolkata
Kolkata vs Sydney timezone guide
Kolkata (India) uses the Asia/Kolkata timezone at UTC+5:30, while Sydney (Australia) uses Australia/Sydney at UTC+10. This means Sydney is 4 hours 30 minutes ahead of Kolkata (based on standard offsets — the live difference above accounts for daylight saving time).
When scheduling a call or meeting between Kolkata and Sydney, 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.