IST to EST Converter

Convert India Standard Time to Eastern Time. As of October 12, 2026, ET (EDT) is 9.5 hours behind IST; the gap changes with daylight saving time.

By the CalculateBright team · Updated · How we calculate

  

Compare cities

Click an hour to convert it. Rows show each city’s local time.

How to use the IST to EST Converter

  1. Enter a IST time. Set the date and time in India Standard Time.
  2. Read the EST time. The Eastern Time equivalent appears instantly, with DST notes.
  3. Compare more cities. Add cities to the hour grid or click an hour to convert it.

India Standard Time vs Eastern Time time difference in 2026

Dates (2026)ET vs IST
Jan 1 – Mar 7−10.5 hours
Mar 8 – Oct 31−9.5 hours
Nov 1 – Dec 31−10.5 hours

The difference changes 2 times in 2026 because the two zones switch daylight saving time on different dates.

IST to EST conversion table (October 12, 2026)

ISTET (EDT)
12:00 AM2:30 PM (−1 day)
1:00 AM3:30 PM (−1 day)
2:00 AM4:30 PM (−1 day)
3:00 AM5:30 PM (−1 day)
4:00 AM6:30 PM (−1 day)
5:00 AM7:30 PM (−1 day)
6:00 AM8:30 PM (−1 day)
7:00 AM9:30 PM (−1 day)
8:00 AM10:30 PM (−1 day)
9:00 AM11:30 PM (−1 day)
10:00 AM12:30 AM
11:00 AM1:30 AM
12:00 PM2:30 AM
1:00 PM3:30 AM
2:00 PM4:30 AM
3:00 PM5:30 AM
4:00 PM6:30 AM
5:00 PM7:30 AM
6:00 PM8:30 AM
7:00 PM9:30 AM
8:00 PM10:30 AM
9:00 PM11:30 AM
10:00 PM12:30 PM
11:00 PM1:30 PM

Highlighted rows fall within 9 AM–5 PM in both zones. Times for other dates may differ around DST changes; use the converter above.

What your results mean

In this page’s name, IST stands for India Standard Time (Asia/Kolkata) and EST for Eastern Time (America/New_York); the labels are used year-round as search terms. The converter uses each zone’s rules for the date you pick, so it shows IST or EDT automatically when daylight saving time applies.

Tips

Frequently asked questions

What is the time difference between IST and EST?

As of October 12, 2026, Eastern Time is 9.5 hours behind IST (IST UTC+5:30 vs EDT UTC−4). The gap changes during the year because of daylight saving time: 10.5 hours in mid-January and 9.5 hours in mid-July.

What is 9 AM IST in EST?

On October 12, 2026, 9:00 AM IST is 11:30 PM (−1 day) ET (EDT). The result can shift by an hour on dates when only one side is on daylight saving time; the converter above uses the rules for the date you pick.

Does IST observe daylight saving time?

No. IST (UTC+5:30, no daylight saving).

Does EST observe daylight saving time?

Yes. Eastern Time switches between EST (UTC−5) and EDT (UTC−4); in 2026 clocks change on March 8 at 2:00 AM and November 1 at 2:00 AM local time.

When do IST and EST business hours overlap?

They don’t overlap on a standard 9-to-5 day; one side has to start early or stay late. Early morning IST is usually the best window.

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