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The first row’s hours run 12am to 11pm — every other row is its local time at the same instant. This converter handles it for you, just glance at the IST date to confirm you’re still on the right day for your event or message. This converter knows the dates and automatically adjusts the time offset for you. Add 10.5 hours to the EST time. This means the difference changes to 9.5 hours during EST’s DST period. Use the converter above to adjust the date or time and create a shareable meeting link.

EST to IST Conversion

IST is 10.5 hours ahead of EST. This means IST is 10.5 hours ahead of EST. India Standard Time is 10.5 hours ahead of Eastern Standard Time Other time zones may set clocks forward in summer and back in winter. Other major cities in this time zone include Delhi, Bangalore, Kolkata, Chennai.

Related Converters

This is especially useful if you’re working from a different time zone and just want to match what time it is back East. Hit the button with the arrow, and the tool calculates the IST equivalent by adding the right number Of hours and minutes. That means when it’s summer in the US, the offset is 9.5 hours, and in winter it’s 10.5.

Also known as Indian Time, this zone is unique in that it is a half-hour time zone instead of the usual one hour interval.
The first row’s hours run 12am to 11pm — every other row is its local time at the same instant.
This can still work for one-off calls, status reviews, or urgent coordination, but it is already late in India, so it is less suitable for recurring daily meetings unless the India team specifically supports late-shift operations.
After midday in EST, the schedule becomes much harder for same-day collaboration.

Popular EST to IST conversions

To convert from EST to IST, simply add 10.5 hours to the EST time. This time zone converter lets you visually and very quickly convert EST to IST and vice-versa. Times computed for today in each zone using the IANA time zone database. IST is 10 hours ahead of EST, so later EST times cross midnight in India. Check overlapping work hours, then export times with ICS download or add them to Google Calendar and Gmail. The converter updates automatically for the selected date and time.

This can still work for one-off calls, status reviews, or urgent coordination, but it is already late in India, so it is less suitable for recurring daily meetings unless the India team specifically supports late-shift operations. This is one of the most useful conversion points for business scheduling because it places the meeting at the start of the workday in 1win India Eastern North America and in the early evening for teams working in India. A practical setup is to use EST mornings for live discussion, then use the later EST afternoon for asynchronous updates so the India team can pick them up on the next business day. Those times are usually better reserved for urgent escalations, maintenance windows, or follow-the-sun operations rather than routine planning calls.