Time Difference: Kolkata vs Lisbon
Lisbon is 4.5 hours behind Kolkata.
Quick Reference
- Kolkata
- IST (GMT+5:30)
No Daylight Saving Time
- Lisbon
- WEST (GMT+1)
WET starts on Oct 25, 2026
Frequently Asked Questions
- What is the time difference between Kolkata and Lisbon?
- Lisbon is 4.5 hours behind Kolkata.
- When is the best time to call from Kolkata to Lisbon?
- 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 Lisbon uses WEST.