What is the time difference between IST and EST?

IST is 10.5 hours behind EST. IST is UTC+5.5 and EST is UTC-5.

What is 9 AM IST in EST?

9 AM IST is 11:30 PM EST (previous day).

What is 12 PM IST in EST?

12 PM IST (noon) is 2:30 AM EST.

What are the best meeting times between IST and EST?

Best overlap hours: 6 PM IST = 8:30 AM EST.

IST to EST Time Conversion

India Standard Time → Eastern Standard Time

IST

UTC+5.5

India Standard Time

offset

-10.5h

EST is 10.5h behind

EST

UTC-5

Eastern Standard Time

EST observes DST — offset shifts ±1h during transitions

India Standard Time (IST) is 10.5 hours behind Eastern Standard Time (EST). When it is noon in IST, it is 2:30 AM in EST. This offset may change during Daylight Saving Time.

Meeting planner tool Reverse: EST to IST

All 24 Hours — IST to EST

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Both business hoursPartial overlapOff hours

12 AM6 AM12 PM6 PM11 PM

Frequently Asked Questions — IST to EST

India Standard Time (IST) is 10.5 hours behind Eastern Standard Time (EST). IST is UTC+5.5 and EST is UTC-5. This offset may shift by ±1 hour during Daylight Saving Time transitions.