Time Zone Conversion
IST to EST Converter
EST is currently 10.5 hours behind IST.
Indian Standard Time (IST) is 10 hours and 30 minutes ahead of Eastern Standard Time (EST) in winter, and 9 hours and 30 minutes ahead during US Eastern Daylight Time (EDT).
Current Clocks
Current IST and EST Time
IST (Indian Standard Time) 10:46 PM Friday, November 6, 2026 GMT+5:30, UTC+5:30
EST (Eastern Standard Time) 12:16 PM Friday, November 6, 2026 EST, UTC-5
FAQ
IST to EST Frequently Asked Questions
What is the time difference between IST and EST?
Indian Standard Time (IST) is 10 hours and 30 minutes ahead of Eastern Standard Time (EST) in winter, and 9 hours and 30 minutes ahead during US Eastern Daylight Time (EDT).
When is 12:00 PM (noon) IST in EST?
When it is 12:00 PM IST, it is 1:30 AM EST.
What are the optimal call hours between IST and EST?
The best window for cross-zone calls is during overlapping business hours between 9:00 AM and 5:00 PM in both regions. See the highlighted green rows in the table above for exact hour slots.