IST to EST: Convert India to US Eastern Time
Need to convert IST to EST? US Eastern (EST) is -10.5 hours from India (IST). Whether you are scheduling a call, planning a meeting, or coordinating with a remote team, this quick reference shows common time conversions between IST and EST. Use our Timezone Converter for any custom time.
Quick Answer
| Label | Value |
|---|---|
| 9:00 AM IST | 10:30 PM EST (prev day) |
| 12:00 PM IST | 1:30 AM EST |
| 3:00 PM IST | 4:30 AM EST |
| 6:00 PM IST | 7:30 AM EST |
How It Works
EST = IST -10.5 hours. India (IST) is UTC+5.5 and US Eastern (EST) is UTC-5. The difference is -10.5 hours. Add -10.5 hours to any IST time to get EST. If the result exceeds 11:59 PM, it rolls to the next day. Our Timezone Converter handles all the math including half-hour offsets and day boundaries.
Use Our Calculator
Try our Timezone Converter for your own numbers: /calculators/timezone-converter
Related Calculators
9:00 AM IST is 10:30 PM EST. The offset is -10.5 hours.
This converter uses standard time offsets. During daylight saving in either region, the offset may shift by 1 hour. Check specific dates for accuracy.
Look for overlapping business hours (9 AM - 5 PM) in both zones. With a -10.5-hour difference, the overlap depends on how far apart the zones are. Use our converter to check specific times.