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Convert EST/EDT (New York) to IST (Mumbai)

Convert EST to IST with an hour-by-hour table

  • Hour-by-hour table
  • Warns on clock changes
  • Runs on your device

10:27=19:57

New York (EDT) → Kolkata (UTC+05:30), 2026-10-15

Kolkata is 9:30 hours and minutes ahead
Working hours
09:00–17:00 in New York is 18:30–02:30 in Kolkata.
Good time to call
New York and Kolkata share no working hour — one of you is always outside 09:00–17:00.

The difference is +9:30 right now, but it does not hold all year:

  • 1 Nov 2026 to 14 Mar 2027: +10:30
  • New York moves its clocks back on 1 Nov 2026, 02:00 → 01:00 (17 days away).

New York to Kolkata, hour by hour

One row every 60 minutes

Every time of day in New York and the same moment in Kolkata.
New YorkKolkataDay
00:0009:30Same day
01:0010:30Same day
02:0011:30Same day
03:0012:30Same day
04:0013:30Same day
05:0014:30Same day
06:0015:30Same day
07:0016:30Same day
08:0017:30Same day
09:0018:30Same day
10:0019:30Same day
11:0020:30Same day
12:0021:30Same day
13:0022:30Same day
14:0023:30Same day
15:0000:30Next day
16:0001:30Next day
17:0002:30Next day
18:0003:30Next day
19:0004:30Next day
20:0005:30Next day
21:0006:30Next day
22:0007:30Next day
23:0008:30Next day
What to do
Mode
Mode
Time zones
From
New YorkUTC-04:00
To
KolkataUTC+05:30
Date and time
Date
Time

The time in the source zone. Enter one that does not exist and the tool says so.

Clock
Clock
Conversion table
Row spacing
Row spacing

How far apart the rows of the table are.

Clock changes
Clock changes

What to do when a time does not exist, or happens twice, because clocks changed.

Take it with you
Export and share
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Why Convert EST/EDT (New York) to IST (Mumbai)?

Converting EST/EDT (New York) to IST (Mumbai) enables international communication, facilitates scheduling across time zones, supports business operations, and ensures accurate time coordination between these regions.

Benefits of Time Zone Conversion

  • International Communication: Coordinate meetings and calls across time zones
  • Scheduling: Plan events and appointments accurately
  • Business Operations: Support global business operations
  • Travel Planning: Plan travel and adjust to local time
  • Time Coordination: Ensure accurate time coordination

How to use this converter

  1. Enter date and time

    Enter the date and time in EST/EDT (New York), or click "Set to now" for the current moment.

  2. View converted time

    The same instant is shown in IST (Mumbai). Conversion runs on your device; no server is used.

  3. Copy or export

    Use Copy to paste the result elsewhere, or ISO 8601 (UTC) for a standard UTC timestamp.

EST/EDT (New York) vs IST (Mumbai): Understanding the Difference

Understanding the differences between EST/EDT (New York) and IST (Mumbai) helps you coordinate time across these time zones.

EST/EDT (New York) Characteristics

  • IANA identifier: America/New_York
  • Current offset: UTC-4
  • DST: Yes (EDT in summer)

IST (Mumbai) Characteristics

  • IANA identifier: Asia/Kolkata
  • Current offset: UTC+5:30
  • DST: No DST

Quick reference

Time difference: +9 hours 30 min — IST is 9 hours 30 min ahead of EST

EST/EDT (New York) vs IST (Mumbai): Understanding the Difference
Time zoneIANA identifierCurrent offsetDST
EST/EDT (New York)America/New_YorkUTC-4Yes (EDT in summer)
IST (Mumbai)Asia/KolkataUTC+5:30No DST

Technical note

Times you type are read as local time in the selected zone. Conversions use the IANA time zone rules your device already carries for its own clock, so results agree with your operating system rather than with a server. For anything legally binding, confirm with an authoritative source.

Clock Changes for EST and IST

The dates below are worked out when this page is built, from the same time zone rules the converter uses. Nothing here is written down, so nothing here can be a year out of date.

  • New York moves its clocks back on 1 Nov 2026, 02:00 → 01:00 (17 days away).
  • New York moves its clocks forward on 14 Mar 2027, 02:00 → 03:00 (150 days away).

Weeks when the difference is not its usual one

The difference is +9:30 right now, but it does not hold all year:

  • 1 Nov 2026 to 14 Mar 2027: +10:30

When to Convert EST/EDT (New York) to IST (Mumbai)

Convert EST/EDT (New York) to IST (Mumbai) when you need to coordinate time between these regions, schedule international meetings, or plan travel.

Ideal Use Cases

  • International Meetings: Schedule meetings between these time zones
  • Business Operations: Coordinate business activities across time zones
  • Travel Planning: Plan travel and adjust to local time
  • Communication: Coordinate calls and communications
  • Event Scheduling: Schedule events across time zones

When to convert EST/EDT (New York) to IST (Mumbai)

  • Meetings: Schedule calls and events across EST/EDT (New York) and IST (Mumbai).
  • Travel: See local time at your destination before you go.
  • Work: Coordinate with remote teams or clients in the other time zone.
  • Events: Publish start times in both zones so everyone sees the correct local time.

Example Conversions: What Time Is X in IST?

Common searches: 8 PM EST in IST, 9 AM EST in IST, what time is 5 PM EST in IST. Use the converter above to enter any time in EST/EDT (New York) and see the equivalent in IST (Mumbai) instantly. The conversion is second-accurate and accounts for daylight saving time.

Time Zone Conversion Facts

Understanding these facts helps you make better use of time zone conversion tools.

Key Statistics

  • Current time difference: +9 hours 30 min (EST to IST)
  • Time difference varies with daylight saving time where applicable
  • Conversion accounts for daylight saving time changes automatically
  • Our converter uses the IANA time zone database for second-accurate results
  • Real-time conversion ensures accuracy
  • Time zones are based on geographic location and political boundaries

Best Practices

Follow these guidelines to achieve accurate time zone conversion results.

Quality Considerations

  • Verify daylight saving time status for both time zones
  • Check current time difference before scheduling
  • Consider daylight saving time transitions
  • Use real-time conversion for accuracy
  • Double-check conversions for important events

When Not to Use

  • Don't use for historical dates without verifying daylight saving time
  • Avoid using for dates far in the future (DST rules may change)
  • If precise time is critical, verify with official sources
  • Don't use for legal or official time requirements

Other Converters for These Zones

Every link here has its own page. The converter at the top of this page also handles any other combination of over four hundred zones.

Frequently asked questions

What is the time difference between EST and IST?

IST is 9 hours 30 min ahead of EST. The difference varies with daylight saving time. Use the converter above to see the exact difference for any date and time.

Is the conversion accurate?

Yes. The tool uses the IANA time zone database (same as most operating systems and programming languages). Daylight saving time (DST) and historical offset changes are applied automatically. Conversion is second-accurate.

Is my data sent to a server?

No. It all runs on your device, not our servers.

What is ISO 8601 (UTC)?

It is a standard format for a single moment in time, expressed in UTC (e.g. 2025-02-02T14:30:00.000Z). Useful for APIs, contracts, and storing timestamps in a time-zone-neutral way.

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