Kolkata to New York Time Difference
New York is 9 hours 30 min behind Kolkata. When it is noon in Kolkata, it is 2.5:00 in New York.
Kolkata (UTC+5:30) → New York (UTC-4)
🕐 Interactive Time Explorer
When it's 09:00 in Kolkata, it's 23.5:00 in New York
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Kolkata & New York◐ Extended Hours (3 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
Kolkata
20.5:00
New York (-1)
09:00
Kolkata
23.5:00
New York (-1)
12:00
Kolkata
2.5:00
New York
15:00
Kolkata
5.5:00
New York
18:00
Kolkata
8.5:00
New York
21:00
Kolkata
11.5:00
New York
00:00
Kolkata
14.5:00
New York (-1)
03:00
Kolkata
17.5:00
New York (-1)
Frequently Asked Questions
How many hours is Kolkata ahead of New York?
New York is 9 hours 30 min behind Kolkata. When it is 12:00 noon in Kolkata, it is 2.5:00 in New York. Kolkata operates on Asia/Kolkata (UTC+5.5), while New York uses America/New York (UTC-4).
What is the best time to call New York from Kolkata?
Standard business hours (9 AM–5 PM) do not overlap between Kolkata and New York due to the 9 hours 30 min difference. Consider early morning or late evening calls, or use async communication.
Does the Kolkata to New York 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 Kolkata and New York
The distance between Kolkata and New York is approximately 12,746 km. A direct flight typically takes around 16 hours. Your arrival clock will show local New York time — use our Flight Time Calculator to predict exact arrival times.