New York to Kolkata Time Difference
Kolkata is 9 hours 30 min ahead of New York. When it is noon in New York, it is 21.5:00 in Kolkata.
New York (UTC-4) → Kolkata (UTC+5:30)
🕐 Interactive Time Explorer
When it's 07:00 in New York, it's 16.5:00 in Kolkata
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
New York & Kolkata◐ Extended Hours (4 hours)
✈️ Travel Information
Distance
12,746 km
Est. Flight Time
~16h
Time Difference
+9.5h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
New York
15.5:00
Kolkata
09:00
New York
18.5:00
Kolkata
12:00
New York
21.5:00
Kolkata
15:00
New York
0.5:00
Kolkata (+1)
18:00
New York
3.5:00
Kolkata (+1)
21:00
New York
6.5:00
Kolkata (+1)
00:00
New York
9.5:00
Kolkata
03:00
New York
12.5:00
Kolkata
Frequently Asked Questions
How many hours is New York behind Kolkata?
Kolkata is 9 hours 30 min ahead of New York. When it is 12:00 noon in New York, it is 21.5:00 in Kolkata. New York operates on America/New York (UTC-4), while Kolkata uses Asia/Kolkata (UTC+5.5).
What is the best time to call Kolkata from New York?
Standard business hours (9 AM–5 PM) do not overlap between New York and Kolkata due to the 9 hours 30 min difference. Consider early morning or late evening calls, or use async communication.
Does the New York to Kolkata time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between New York and Kolkata
The distance between New York and Kolkata is approximately 12,746 km. A direct flight typically takes around 16 hours. Your arrival clock will show local Kolkata time — use our Flight Time Calculator to predict exact arrival times.