TimezoneToolbox

IST to EST converter

EST is usually 9 h 30 min behind IST. It is 10 h 30 min behind IST 1 Jan–8 Mar and 1 Nov–31 Dec 2026, because of daylight saving time.

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IST to EST table

For 5 July 2026, when EST is 9 h 30 min behind IST. Other dates: see the table on the right.

ISTEST24-hour
12:00 AM2:30 PM prev. day0:00 → 14:30
1:00 AM3:30 PM prev. day1:00 → 15:30
2:00 AM4:30 PM prev. day2:00 → 16:30
3:00 AM5:30 PM prev. day3:00 → 17:30
4:00 AM6:30 PM prev. day4:00 → 18:30
5:00 AM7:30 PM prev. day5:00 → 19:30
6:00 AM8:30 PM prev. day6:00 → 20:30
7:00 AM9:30 PM prev. day7:00 → 21:30
8:00 AM10:30 PM prev. day8:00 → 22:30
9:00 AM11:30 PM prev. day9:00 → 23:30
10:00 AM12:30 AM 10:00 → 0:30
11:00 AM1:30 AM 11:00 → 1:30
12:00 PM2:30 AM 12:00 → 2:30
1:00 PM3:30 AM 13:00 → 3:30
2:00 PM4:30 AM 14:00 → 4:30
3:00 PM5:30 AM 15:00 → 5:30
4:00 PM6:30 AM 16:00 → 6:30
5:00 PM7:30 AM 17:00 → 7:30
6:00 PM8:30 AM 18:00 → 8:30
7:00 PM9:30 AM 19:00 → 9:30
8:00 PM10:30 AM 20:00 → 10:30
9:00 PM11:30 AM 21:00 → 11:30
10:00 PM12:30 PM 22:00 → 12:30
11:00 PM1:30 PM 23:00 → 13:30

When the difference changes

Computed from the IANA tz database (release 2026c). Governments can change these rules; the live converter uses your browser’s own copy of the database.

2026: from (UTC)until (UTC)EST vs IST
1 January 20268 March 202610 h 30 min behind
8 March 20261 November 20269 h 30 min behind
1 November 202631 December 202610 h 30 min behind
2027: from (UTC)until (UTC)EST vs IST
1 January 202714 March 202710 h 30 min behind
14 March 20277 November 20279 h 30 min behind
7 November 202731 December 202710 h 30 min behind

IST: India Standard Time · IST time now
IST can also mean Irish Standard Time or Israel Standard Time. This page means India (Asia/Kolkata), which has one zone and no daylight saving time.

EST: Eastern Time · EST time now
Strictly, EST is the winter offset (UTC−5). From March to November the same clocks run on EDT (UTC−4). Most people who search "EST" mean whatever the US East Coast clocks show, so this page follows America/New_York.

Common IST times in EST

Related converters

Questions

What is the time difference between IST and EST?

EST is usually 9 h 30 min behind IST. It is 10 h 30 min behind IST 1 Jan–8 Mar and 1 Nov–31 Dec 2026, because of daylight saving time.

What is 9 am IST in EST?

9:00 am IST is 11:30 PM EST the previous day, on dates when the usual difference applies. Use the converter above for any specific date.

Which IST does this page use?

IST can also mean Irish Standard Time or Israel Standard Time. This page means India (Asia/Kolkata), which has one zone and no daylight saving time.

Which EST does this page use?

Strictly, EST is the winter offset (UTC−5). From March to November the same clocks run on EDT (UTC−4). Most people who search "EST" mean whatever the US East Coast clocks show, so this page follows America/New_York.