WhatTimeZoneIAm.com

IST to EST Converter

EDT = IST − 9½ hours

Mar 14 – Nov 1

EST = IST − 10½ hours

Nov 1 – Mar 14

8:00 PM IST is 10:30 AM EDT in summer and 9:30 AM EST in winter. India has no daylight saving time, so only the US side changes.

12:00 PM IST is

2:30 AM EDT

Thu, Oct 22 · 9 hours 30 minutes behind India

Thu, Oct 22 · 12:00 PM India / 2:30 AM ET

IST and EST right now

IST to EST time chart

Each hour of the day in India Standard Time and the same moment in Eastern Time. The gap changes during the year, so each version gets its own column.

Working hours, 9 AM–5 PMNight, 10 PM–7 AM

India Standard Time9 hr 30 min behindEDT · Mar 14 – Nov 110 hr 30 min behindEST · Nov 1 – Mar 14
12:00 AM2:30 PMprev. day1:30 PMprev. day
1:00 AM3:30 PMprev. day2:30 PMprev. day
2:00 AM4:30 PMprev. day3:30 PMprev. day
3:00 AM5:30 PMprev. day4:30 PMprev. day
4:00 AM6:30 PMprev. day5:30 PMprev. day
5:00 AM7:30 PMprev. day6:30 PMprev. day
6:00 AM8:30 PMprev. day7:30 PMprev. day
7:00 AM9:30 PMprev. day8:30 PMprev. day
8:00 AM10:30 PMprev. day9:30 PMprev. day
9:00 AM11:30 PMprev. day10:30 PMprev. day
10:00 AM12:30 AM11:30 PMprev. day
11:00 AM1:30 AM12:30 AM
India Standard Time9 hr 30 min behindEDT · Mar 14 – Nov 110 hr 30 min behindEST · Nov 1 – Mar 14
12:00 PM2:30 AM1:30 AM
1:00 PM3:30 AM2:30 AM
2:00 PM4:30 AM3:30 AM
3:00 PM5:30 AM4:30 AM
4:00 PM6:30 AM5:30 AM
5:00 PM7:30 AM6:30 AM
6:00 PM8:30 AM7:30 AM
7:00 PM9:30 AM8:30 AM
8:00 PM10:30 AM9:30 AM
9:00 PM11:30 AM10:30 AM
10:00 PM12:30 PM11:30 AM
11:00 PM1:30 PM12:30 PM

When the difference changes

IST never changes, so the gap moves only when US clocks do. Changes in the coming year:

Standard or daylight time?

Strictly, EST is standard time. From the second Sunday in March to the first Sunday in November the clocks show EDT instead. Most people keep writing EST all year to mean the zone, and this page does the same: times follow the clocks in New York whatever the season.

Calls between India and the US East Coast

An evening in India is the morning in New York. A 9:00 AM Eastern call is 6:30 PM in India in summer and 7:30 PM in winter. A 9:00 AM meeting in India is the night before in New York: 11:30 PM EDT or 10:30 PM EST.

Which IST?

IST is also short for Irish Standard Time (UTC+1, Ireland's summer time) and Israel Standard Time (UTC+2). This page means India. For a time from Dublin, use UK time to EST: Dublin keeps the same clock as London.

Related conversions

Sources

Last checked October 21, 2026.