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EST to IST Converter

India is 10 h 30 min ahead of EST, and 9 h 30 min ahead during US daylight time.

Eastern TimeNew York

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EST
—difference

India Standard TimeNew Delhi · Mumbai

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IST

India has no daylight saving time. Only the US side changes, so the gap is 10:30 in winter (EST) and 9:30 from March to November (EDT).

Convert ET to IST

— India Standard Time

EST to IST conversion table

Formula: IST = ET + 10:30 hours (EST→IST) or + 9:30 hours (EDT→IST).

ETIST · EST → ISTIST · EDT → IST
12:00 AM10:30 AM9:30 AM
1:00 AM11:30 AM10:30 AM
2:00 AM12:30 PM11:30 AM
3:00 AM1:30 PM12:30 PM
4:00 AM2:30 PM1:30 PM
5:00 AM3:30 PM2:30 PM
6:00 AM4:30 PM3:30 PM
7:00 AM5:30 PM4:30 PM
8:00 AM6:30 PM5:30 PM
9:00 AM7:30 PM6:30 PM
10:00 AM8:30 PM7:30 PM
11:00 AM9:30 PM8:30 PM
12:00 PM10:30 PM9:30 PM
1:00 PM11:30 PM10:30 PM
2:00 PM12:30 AM next day11:30 PM
3:00 PM1:30 AM next day12:30 AM next day
4:00 PM2:30 AM next day1:30 AM next day
5:00 PM3:30 AM next day2:30 AM next day
6:00 PM4:30 AM next day3:30 AM next day
7:00 PM5:30 AM next day4:30 AM next day
8:00 PM6:30 AM next day5:30 AM next day
9:00 PM7:30 AM next day6:30 AM next day
10:00 PM8:30 AM next day7:30 AM next day
11:00 PM9:30 AM next day8:30 AM next day

Only the US side changes for daylight saving (in 2026: Mar 8 and Nov 1), so the gap shifts by 1 hour twice a year.

Best meeting times

Working hours that overlap between New York and New Delhi · Mumbai:

  • Winter (EST / IST): no 9-to-5 overlap; best compromise (7 AM–9 PM both sides): 7:00 AM–10:30 AM ET = 5:30 PM–9:00 PM IST.
  • Summer (EDT / IST): no 9-to-5 overlap; best compromise (7 AM–9 PM both sides): 7:00 AM–11:30 AM ET = 4:30 PM–9:00 PM IST.

Frequently asked questions

How many hours ahead is India from EST?

India Standard Time is 10 hours 30 minutes ahead of EST. From March to November, when New York is on EDT, the difference is 9 hours 30 minutes.

What is 9 AM EST in IST?

9:00 AM EST is 7:30 PM IST the same day. In summer (EDT), 9:00 AM in New York is 6:30 PM in India.

Does India observe daylight saving time?

No. India uses IST (UTC+5:30) all year across the whole country.

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