New York zone
EDT (GMT-4)
Kolkata zone
GMT+5:30 (GMT+5:30)
Difference
9h 30m ahead of New York
Business overlap
No 9-5 overlap
Working hours overlap
Each cell is one hour in New York. Filled cells mark when 9 AM – 5 PM in New York and Kolkata both apply.
0 hours per day
- New York
- GMT-4
- Kolkata
- GMT+5:30
- Difference
- +9h 30m
- Business overlap
- 0h
Hour-by-hour conversion
Each row shows the matching local time in Kolkata for an hour in New York.
| New York | Kolkata | Day | Window |
|---|---|---|---|
| 12:00 AM | 9:30 AM | same day | — |
| 1:00 AM | 10:30 AM | same day | — |
| 2:00 AM | 11:30 AM | same day | — |
| 3:00 AM | 12:30 PM | same day | — |
| 4:00 AM | 1:30 PM | same day | — |
| 5:00 AM | 2:30 PM | same day | — |
| 6:00 AM | 3:30 PM | same day | — |
| 7:00 AM | 4:30 PM | same day | — |
| 8:00 AM | 5:30 PM | same day | — |
| 9:00 AM | 6:30 PM | same day | — |
| 10:00 AM | 7:30 PM | same day | — |
| 11:00 AM | 8:30 PM | same day | — |
| 12:00 PM | 9:30 PM | same day | — |
| 1:00 PM | 10:30 PM | same day | — |
| 2:00 PM | 11:30 PM | same day | — |
| 3:00 PM | 12:30 AM | next day | — |
| 4:00 PM | 1:30 AM | next day | — |
| 5:00 PM | 2:30 AM | next day | — |
| 6:00 PM | 3:30 AM | next day | — |
| 7:00 PM | 4:30 AM | next day | — |
| 8:00 PM | 5:30 AM | next day | — |
| 9:00 PM | 6:30 AM | next day | — |
| 10:00 PM | 7:30 AM | next day | — |
| 11:00 PM | 8:30 AM | next day | — |
Best meeting windows
Standard 9 AM – 5 PM hours in New York and Kolkata do not overlap. Plan calls for early New York morning or late New York evening, and rotate the burden between sides.
Tighter overlap is achievable by having the side with later working hours start earlier, or by treating the first and last hours of each side as flexible. The bar above marks every hour where both cities sit inside a 9 AM – 5 PM window.
About converting New York time to Kolkata time
New York follows the America/New_York time zone (currently EDT, GMT-4), while Kolkata follows Asia/Kolkata (currently GMT+5:30, GMT+5:30). Kolkata is 9h 30m ahead of New York right now.
New York observes daylight saving time, while Kolkata does not. The offset between the two cities changes by one hour at the daylight saving transitions.
Daylight saving transitions in 2026
New York
- Spring forward · Sunday, March 8, 2026
- Fall back · Sunday, November 1, 2026
Kolkata
Does not observe daylight saving time.
Reverse this conversion
Kolkata to New York
Open the converter
Plan a meeting between New York and Kolkata
More conversions from New York
Frequently asked questions
- How many hours is New York from Kolkata?
- Kolkata is 9h 30m ahead of New York right now.
- What time is 9:00 AM New York in Kolkata?
- 9:00 AM in New York is 6:30 PM in Kolkata.
- What time is 5:00 PM New York in Kolkata?
- 5:00 PM in New York is 2:30 AM (next day) in Kolkata.
- When do New York and Kolkata business hours overlap?
- Standard 9 AM - 5 PM working hours in New York and Kolkata do not overlap. You will need an early or late call.
- Does daylight saving time change the difference between New York and Kolkata?
- New York observes daylight saving time while Kolkata does not, so the offset between them changes by one hour twice a year.
Local time page
Time in New York
Local time page
Time in Kolkata