Time Difference: Kolkata vs Rome
Kolkata
2:28:03 PM IST
Sunday, October 25, 2026
4h 30m
4h 30m
Rome
9:58:03 AM CET
Sunday, October 25, 2026
Rome is 4.5 hours behind Kolkata.
Quick Reference
- Kolkata
- IST (GMT+5:30)
No Daylight Saving Time
- Rome
- CET (GMT+1)
CEST starts on Mar 28, 2027
Frequently Asked Questions
- What is the time difference between Kolkata and Rome?
- Rome is 4.5 hours behind Kolkata.
- When is the best time to call from Kolkata to Rome?
- The best time to call is during overlapping business hours (9 AM – 5 PM) in both cities. Use the interactive converter on this page to visually compare hours side by side.
- Does the time difference change with daylight saving time?
- The time difference may change when either city enters or exits daylight saving time. Kolkata uses IST and Rome uses CET.