Time Difference: Kolkata vs New York City
Kolkata
9:00:15 PM IST
Friday, November 13, 2026
10h 30m
10h 30m
New York City
10:30:15 AM EST
Friday, November 13, 2026
New York City is 10.5 hours behind Kolkata.
Quick Reference
- Kolkata
- IST (GMT+5:30)
No Daylight Saving Time
- New York City
- EST (GMT-5)
EDT starts on Mar 14, 2027
Frequently Asked Questions
- What is the time difference between Kolkata and New York City?
- New York City is 10.5 hours behind Kolkata.
- When is the best time to call from Kolkata to New York City?
- 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 New York City uses EST.