Kolkata zone
GMT+5:30 (GMT+5:30)
New York zone
EDT (GMT-4)
Difference
9h 30m behind Kolkata
Business overlap
No 9-5 overlap
Working hours overlap
Each cell is one hour in Kolkata. Filled cells mark when 9 AM – 5 PM in Kolkata and New York both apply.
0 hours per day
- Kolkata
- GMT+5:30
- New York
- GMT-4
- Difference
- -9h 30m
- Business overlap
- 0h
Hour-by-hour conversion
Each row shows the matching local time in New York for an hour in Kolkata.
| Kolkata | New York | Day | Window |
|---|---|---|---|
| 12:00 AM | 2:30 PM | previous day | — |
| 1:00 AM | 3:30 PM | previous day | — |
| 2:00 AM | 4:30 PM | previous day | — |
| 3:00 AM | 5:30 PM | previous day | — |
| 4:00 AM | 6:30 PM | previous day | — |
| 5:00 AM | 7:30 PM | previous day | — |
| 6:00 AM | 8:30 PM | previous day | — |
| 7:00 AM | 9:30 PM | previous day | — |
| 8:00 AM | 10:30 PM | previous day | — |
| 9:00 AM | 11:30 PM | previous day | — |
| 10:00 AM | 12:30 AM | same day | — |
| 11:00 AM | 1:30 AM | same day | — |
| 12:00 PM | 2:30 AM | same day | — |
| 1:00 PM | 3:30 AM | same day | — |
| 2:00 PM | 4:30 AM | same day | — |
| 3:00 PM | 5:30 AM | same day | — |
| 4:00 PM | 6:30 AM | same day | — |
| 5:00 PM | 7:30 AM | same day | — |
| 6:00 PM | 8:30 AM | same day | — |
| 7:00 PM | 9:30 AM | same day | — |
| 8:00 PM | 10:30 AM | same day | — |
| 9:00 PM | 11:30 AM | same day | — |
| 10:00 PM | 12:30 PM | same day | — |
| 11:00 PM | 1:30 PM | same day | — |
Best meeting windows
Standard 9 AM – 5 PM hours in Kolkata and New York do not overlap. Plan calls for early Kolkata morning or late Kolkata 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 Kolkata time to New York time
Kolkata follows the Asia/Kolkata time zone (currently GMT+5:30, GMT+5:30), while New York follows America/New_York (currently EDT, GMT-4). New York is 9h 30m behind Kolkata 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
Kolkata
Does not observe daylight saving time.
New York
- Spring forward · Sunday, March 8, 2026
- Fall back · Sunday, November 1, 2026
Reverse this conversion
New York to Kolkata
Open the converter
Plan a meeting between Kolkata and New York
More conversions from Kolkata
Frequently asked questions
- How many hours is Kolkata from New York?
- New York is 9h 30m behind Kolkata right now.
- What time is 9:00 AM Kolkata in New York?
- 9:00 AM in Kolkata is 11:30 PM (previous day) in New York.
- What time is 5:00 PM Kolkata in New York?
- 5:00 PM in Kolkata is 7:30 AM in New York.
- When do Kolkata and New York business hours overlap?
- Standard 9 AM - 5 PM working hours in Kolkata and New York do not overlap. You will need an early or late call.
- Does daylight saving time change the difference between Kolkata and New York?
- 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 Kolkata
Local time page
Time in New York