IST to EST Time Converter
New York is currently 9.5 hours behind Kolkata.
- 9:00 AM GMT+5:30 → 11:30 PM−1d EDT
- 12:00 PM GMT+5:30 → 2:30 AM EDT
- 5:00 PM GMT+5:30 → 7:30 AM EDT
Need the opposite direction? New York to Kolkata Time →
Current Time
Kolkata
+05:30Wed, Jul 29 · GMT+5:30
New York
-04:00Wed, Jul 29 · EDT
Daylight Saving Time Status
Kolkata
Kolkata does not observe Daylight Saving Time.
New York
New York is currently observing EDT (summer time). Returns to standard time on November 1, 2026.
Best Meeting Times
| Kolkata Time | New York Time | Meeting Suitability |
|---|---|---|
| 00:00 | 14:30-1d | — |
| 01:00 | 15:30-1d | — |
| 02:00 | 16:30-1d | — |
| 03:00 | 17:30-1d | — |
| 04:00 | 18:30-1d | — |
| 05:00 | 19:30-1d | — |
| 06:00 | 20:30-1d | — |
| 07:00 | 21:30-1d | — |
| 08:00 | 22:30-1d | — |
| 09:00 | 23:30-1d | — |
| 10:00 | 00:30 | — |
| 11:00 | 01:30 | — |
| 12:00 | 02:30 | — |
| 13:00 | 03:30 | — |
| 14:00 | 04:30 | — |
| 15:00 | 05:30 | — |
| 16:00 | 06:30 | — |
| 17:00 | 07:30 | — |
| 18:00 | 08:30 | ⚠️ Edge |
| 19:00 | 09:30 | — |
| 20:00 | 10:30 | — |
| 21:00 | 11:30 | — |
| 22:00 | 12:30 | — |
| 23:00 | 13:30 | — |
✅ Both cities within 9 AM–6 PM ⚠️ One city on edge of working hours
About This Time Zone Pair
Kolkata and New York span a large enough offset that no standard 9 AM–6 PM business overlap exists. Many global teams working this pair adopt async-first workflows and reserve live calls, chats, and syncs for high-priority moments. The most sustainable recurring slot tends to be early morning US / end-of-business India, or late evening US / early morning India.
Kolkata (GMT+5:30) is 9.5 hours ahead of New York (EDT). When it's 9:00 AM in Kolkata, it's 11:30 PM in New York.
New York observes Daylight Saving Time, which means the offset between the two cities may shift by one hour during DST transitions.
There is no standard 9 AM–6 PM overlap between Kolkata and New York. For recurring calls or meetings, consider early morning in Kolkata or late afternoon in New York, and use async tools when possible.
For one-off conversions, use the converter above. For recurring calls or meetings, export an .ics calendar invite — attendees see the time in their local zone automatically.
This guide covers Kolkata (IST) to New York (EST) specifically. To convert a different pair, browse all conversions or add cities directly in the converter above.
Frequently Asked Questions
- What is the time difference between Kolkata and New York?
- New York is 9.5 hours behind Kolkata. This offset may shift by one hour when either city transitions in or out of Daylight Saving Time.
- What is a good meeting time between Kolkata and New York?
- There is no standard 9 AM–6 PM overlap between Kolkata and New York. Consider early morning in one city or late afternoon in the other, or use async communication.
- Does Kolkata observe Daylight Saving Time?
- No. Kolkata (IST) does not observe Daylight Saving Time. The offset remains constant year-round.
- How do I convert IST to EST manually?
- Subtract 9.5 hours to the IST time. For example, 9:00 AM IST = 11:30 PM EST. (DST may shift this by ±1 hour twice a year.)
- Is Kolkata ahead of or behind New York?
- Kolkata is 9.5 hours ahead of New York. When it is noon in Kolkata, it is 2:30 AM in New York.
- What are common IST to EST conversions?
- Some quick examples: 9:00 AM GMT+5:30 = 11:30 PM EDT · 12:00 PM GMT+5:30 = 2:30 AM EDT · 5:00 PM GMT+5:30 = 7:30 AM EDT. Use the table above for all 24 hours.
Related Guides
Fact card
- Route:
- Kolkata → New York
- Current offset:
- New York is 9 hours 30 minutes behind Kolkata
- Timezone data:
- IANA tz database (tzdata)
- DST handling:
- Automatic — offset reflects the actual UTC offset at each moment
- Last calculated:
- Generated at build time, revalidates every 60 seconds
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