Convert EST to IST time instantly with our free time zone converter. Supports 35+ time zones including EST, PST, GMT, IST, JST, and more. Features live clock, conversion tables, and business hours overlap guide for US-India collaboration.
Frequently Asked Questions
What is the time difference between EST and IST?
IST (India Standard Time) is 10 hours and 30 minutes ahead of EST (Eastern Standard Time).
When it's 9:00 AM EST, it's 7:30 PM IST the same day.
During US Daylight Saving Time (March-November), the difference reduces to 9.5 hours.
How do I convert EST to IST quickly?
Add 10 hours and 30 minutes to EST time.
Example: 2:00 PM EST → 12:30 AM IST (next day).
For times after 1:30 PM EST, the converted IST time will be the next day.
What are the best meeting times for EST and IST?
The optimal overlap is 7:00-9:00 AM EST (5:30-7:30 PM IST) - early morning for US, evening for India.
Avoid scheduling after 10:00 AM EST as it becomes late night in India.
Does India observe Daylight Saving Time?
No, India does not observe Daylight Saving Time.
IST remains UTC+5:30 year-round.
The US East Coast switches between EST (UTC-5, winter) and EDT (UTC-4, summer).
When does EST change to EDT?
EST changes to EDT on the second Sunday of March (clocks spring forward).
EDT changes back to EST on the first Sunday of November (clocks fall back).
In 2025: March 9 and November 2.
What major cities use EST and IST?
EST cities: New York, Washington DC, Miami, Atlanta, Boston, Toronto.
IST cities: Mumbai, Delhi, Bangalore, Chennai, Hyderabad, Kolkata, Pune.
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Editorial & Updates
- Author: SuperCalc Editorial Team
- Reviewed: SuperCalc Editors (clarity & accuracy)
- Last updated: 2026-01-13
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Important Disclaimer
This calculator is for general informational and educational purposes only. Results are estimates based on your inputs and standard formulas.