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EST to IST Time Converter

Kolkata is currently 9.5 hours ahead of New York.

  • 9:00 AM EDT6:30 PM GMT+5:30
  • 12:00 PM EDT9:30 PM GMT+5:30
  • 5:00 PM EDT2:30 AM+1d GMT+5:30

Need the opposite direction? Kolkata to New York Time →

Current Time

New York

-04:00

Tue, Jul 28 · EDT

Kolkata

+05:30

Wed, Jul 29 · GMT+5:30

Daylight Saving Time Status

New York

New York is currently observing EDT (summer time). Returns to standard time on November 1, 2026.

Kolkata

Kolkata does not observe Daylight Saving Time.

Abbreviation note: IST on this page refers to India Standard Time (UTC+5:30). IST is also used for Irish Standard Time (UTC+1, summer only) and Israel Standard Time (UTC+2). When coordinating across teams, confirm which IST your contacts are using. Why EST and EDT are different →

Best Meeting Times

No fully-overlapping 9 AM–6 PM window exists between New York and Kolkata. The yellow (⚠️) rows below are edge-hour windows — one side is at the boundary of their working day. These work for brief syncs; async tools are better for most ongoing collaboration.
New York TimeKolkata TimeMeeting Suitability
00:0009:30
01:0010:30
02:0011:30
03:0012:30
04:0013:30
05:0014:30
06:0015:30
07:0016:30
08:0017:30⚠️ Edge
09:0018:30⚠️ Edge
10:0019:30
11:0020:30
12:0021:30
13:0022:30
14:0023:30
15:0000:30+1d
16:0001:30+1d
17:0002:30+1d
18:0003:30+1d
19:0004:30+1d
20:0005:30+1d
21:0006:30+1d
22:0007:30+1d
23:0008:30+1d

✅ Both cities within 9 AM–6 PM  ⚠️ One city on edge of working hours

About This Time Zone Pair

New York and Kolkata 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.

New York (EDT) is 9.5 hours behind Kolkata (GMT+5:30). When it's 9:00 AM in New York, it's 6:30 PM in Kolkata.

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 New York and Kolkata. For recurring calls or meetings, consider early morning in New York or late afternoon in Kolkata, 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 New York (EST) to Kolkata (IST) 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 New York and Kolkata?
Kolkata is 9.5 hours ahead of New York. 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 New York and Kolkata?
There is no standard 9 AM–6 PM overlap between New York and Kolkata. Consider early morning in one city or late afternoon in the other, or use async communication.
When does New York switch to and from Daylight Saving Time?
New York observes Daylight Saving Time. Check the DST status section above for the exact next transition date — it is calculated live from the IANA timezone database.
How do I convert EST to IST manually?
Add 9.5 hours to the EST time. For example, 9:00 AM EST = 6:30 PM IST. (DST may shift this by ±1 hour twice a year.)
Is New York ahead of or behind Kolkata?
New York is 9.5 hours behind Kolkata. When it is noon in New York, it is 9:30 PM in Kolkata.
What are common EST to IST conversions?
Some quick examples: 9:00 AM EDT = 6:30 PM GMT+5:30 · 12:00 PM EDT = 9:30 PM GMT+5:30 · 5:00 PM EDT = 2:30 AM GMT+5:30. Use the table above for all 24 hours.

Related Guides

Fact card

Route:
New YorkKolkata
Current offset:
Kolkata is 9 hours 30 minutes ahead of New York
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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