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Calculator Answers

IST to EST Converter

Blake Boege
Written by Blake Boege · Founder, Calculator Answers

An IST to EST timezone converter maps time offsets between India Standard Time and the US Eastern zone, tracking daylight saving changes.

Convert India Standard Time (IST) to Eastern Time (EST/EDT). Check current time zones, offsets, and view the hourly conversion table.

See also: EST to IST, EST to PST, and CST to EST.

Quick Answer

Convert India Standard Time (IST) to Eastern Time (EST/EDT). IST is 9 hours 30 minutes or 10 hours 30 minutes ahead of Eastern Time depending on US daylight saving status.

IST Time (IST)6:41:30 AMMonday, August 24, 2026
EST Time (EST)9:11:30 PMSunday, August 23, 2026

Convert time from IST

Current Live Offset: EST is 9 hours 30 minutes behind IST.

Select any custom hour or date above to compute the corresponding time in EST.

IST to EST Conversion

Time in EST (EST)

9:11 PM

Sunday, August 23, 2026

Time in ISTMon, Aug 24, 6:41 AM
Time in EST9:11 PM (EST)
Time ShiftEDT is 9 hours 30 minutes behind IST

IST to EDT Time Conversion Table

Time in ISTTime in EDT
12:00 AM2:30 PM (Aug 23)
3:00 AM5:30 PM (Aug 23)
6:00 AM8:30 PM (Aug 23)
9:00 AM11:30 PM (Aug 23)
12:00 PM2:30 AM
3:00 PM5:30 AM
6:00 PM8:30 AM
9:00 PM11:30 AM
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How it works

To convert time from IST (India Standard Time (IST)) to EDT (Eastern Standard Time (EST) / Eastern Daylight Time (EDT)), calculate the offset difference between the two timezones.

Current Timezone Offset

EDT is 9 hours 30 minutes behind IST.

Calculation Rules

Formula: Time in EDT = Time in IST − 9 hours 30 minutes

Current Time Offset between IST and EST

The current relationship between India Standard Time (IST) and Eastern Standard Time (EST) / Eastern Daylight Time (EDT) is that EDT is 9 hours 30 minutes behind IST. The offsets dynamically update depending on whether Daylight Saving Time (DST) is active in the United States.

How to convert IST to EST

To convert any local time between these zones, find the offset difference and shift the hours accordingly. If you cross a midnight boundary, the calendar date will shift forward or backward by one day.

Why Times Differ Between Regions

Time zones are structured based on longitudinal divisions around the globe, with solar noon aligning roughly with 12:00 PM local time. Daylight saving policies cause offsets to shift.

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Frequently asked questions

Currently, EDT is 9 hours 30 minutes behind IST. For example, when it is 12:00 PM in IST, it is 2:30 AM in EDT.

Yes. Because IST does not observe Daylight Saving Time, while the corresponding US timezone does, the offset changes by 1 hour twice a year when the US shifts between Standard Time and Daylight Saving Time.

To convert IST to EDT, subtract 9 hours 30 minutes from the IST time. For example, 3:00 PM IST is 5:30 AM in EDT.