IST to EST time difference
EST is 10.5 hours behind IST in standard time, and 9.5 hours behind IST when daylight saving time is in effect. Because the US, Europe and Australia switch on different dates, the gap can briefly differ — the converter always uses the exact date.
Common IST to EST times (standard time)
| India Standard Time | Eastern Time |
|---|---|
| 12:00 AM IST | 1:30 PM the previous day EST |
| 3:00 AM IST | 4:30 PM the previous day EST |
| 6:00 AM IST | 7:30 PM the previous day EST |
| 8:00 AM IST | 9:30 PM the previous day EST |
| 9:00 AM IST | 10:30 PM the previous day EST |
| 12:00 PM IST | 1:30 AM EST |
| 3:00 PM IST | 4:30 AM EST |
| 5:00 PM IST | 6:30 AM EST |
| 6:00 PM IST | 7:30 AM EST |
| 9:00 PM IST | 10:30 AM EST |
About IST and EST
India Standard Time (IST) is UTC+5:30 all year. Eastern Time (EST) is UTC−5 in winter and UTC−4 during daylight saving time.
Scheduling a meeting? The best overlap is usually afternoon in IST, which is morning in EST. Use the 24-hour table in the converter to find a slot that works for everyone.
Frequently asked questions
What is the time difference between IST and EST?
EST is 10.5 hours behind IST in standard time, and 9.5 hours behind IST when daylight saving time is in effect. Because the US, Europe and Australia switch on different dates, the gap can briefly differ — the converter always uses the exact date.
Does this handle daylight saving time?
Yes. The converter uses your browser’s up-to-date time zone database, so IST/EST daylight saving changes are applied automatically for the date you pick.
How do I convert IST to EST manually?
Subtract 10.5 hours to the IST time (in standard time). For example, 9:00 AM IST is 10:30 PM the previous day EST.