IST to EST
Eastern Standard Time is 10 hours 30 minutes behind India Standard Time, and 9 hours 30 minutes behind when the United States is on daylight time. Enter an India time and date to get the exact answer.
IST to EST in one line
In the US winter, subtract 10 hours 30 minutes. In the US summer, subtract 9 hours 30 minutes. India never changes its clocks. The United States does, so the answer depends on the date.
| When | India | Eastern | Eastern is behind by |
|---|---|---|---|
| Early November to mid March | IST, UTC+5:30 | EST, UTC−5 | 10 hours 30 minutes |
| Mid March to early November | IST, UTC+5:30 | EDT, UTC−4 | 9 hours 30 minutes |
In 2026, daylight time in the United States runs from Sunday 8 March to Sunday 1 November.
IST to EST conversion table
| India time | Eastern, US winter (EST) | Eastern, US summer (EDT) |
|---|---|---|
| 12:00 AM (midnight) | 1:30 PM, previous day | 2:30 PM, previous day |
| 1:00 AM | 2:30 PM, previous day | 3:30 PM, previous day |
| 2:00 AM | 3:30 PM, previous day | 4:30 PM, previous day |
| 3:00 AM | 4:30 PM, previous day | 5:30 PM, previous day |
| 4:00 AM | 5:30 PM, previous day | 6:30 PM, previous day |
| 5:00 AM | 6:30 PM, previous day | 7:30 PM, previous day |
| 6:00 AM | 7:30 PM, previous day | 8:30 PM, previous day |
| 7:00 AM | 8:30 PM, previous day | 9:30 PM, previous day |
| 8:00 AM | 9:30 PM, previous day | 10:30 PM, previous day |
| 9:00 AM | 10:30 PM, previous day | 11:30 PM, previous day |
| 10:00 AM | 11:30 PM, previous day | 12:30 AM |
| 11:00 AM | 12:30 AM | 1:30 AM |
| 12:00 PM (noon) | 1:30 AM | 2:30 AM |
| 1:00 PM | 2:30 AM | 3:30 AM |
| 2:00 PM | 3:30 AM | 4:30 AM |
| 3:00 PM | 4:30 AM | 5:30 AM |
| 4:00 PM | 5:30 AM | 6:30 AM |
| 5:00 PM | 6:30 AM | 7:30 AM |
| 6:00 PM | 7:30 AM | 8:30 AM |
| 7:00 PM | 8:30 AM | 9:30 AM |
| 8:00 PM | 9:30 AM | 10:30 AM |
| 9:00 PM | 10:30 AM | 11:30 AM |
| 10:00 PM | 11:30 AM | 12:30 PM |
| 11:00 PM | 12:30 PM | 1:30 PM |
Good times to call the US East Coast from India
| India time | Eastern in US winter | Eastern in US summer | Who is awake |
|---|---|---|---|
| 6:30 PM | 8:00 AM | 9:00 AM | Start of the US working day |
| 8:00 PM | 9:30 AM | 10:30 AM | Mid-morning in the US |
| 10:00 PM | 11:30 AM | 12:30 PM | Around lunch in the US |
| 7:30 AM | 9:00 PM, previous day | 10:00 PM, previous day | Evening in the US, the night before |
For family calls, an Indian morning reaches the US East Coast the previous evening. 7:30 AM on Sunday in India is Saturday evening in New York.
Indian events in Eastern Time
Evening cricket matches in India usually start at 7:30 PM IST. On the US East Coast that is 10:00 AM during daylight time, which covers the spring tournament season, and 9:00 AM in winter.
India's stock exchanges trade from 9:15 AM to 3:30 PM IST. In Eastern Time that is 10:45 PM the previous evening to 5:00 AM in the US winter, and 11:45 PM the previous evening to 6:00 AM in the US summer.
Writing the time for both sides
State both times and both days: “Tuesday 8:00 PM IST / Tuesday 9:30 AM EST”. Around midnight the dates differ, and leaving the day out is how meetings get missed.
To go the other way, use EST to IST. For other cities, use the time zone converter.
Questions
How many hours behind is EST from IST?
10 hours 30 minutes. When the United States is on daylight time (EDT), it is 9 hours 30 minutes behind.
What is 9 PM IST in EST?
10:30 AM. During US daylight time it is 11:30 AM EDT.
What is 10 AM IST in EST?
11:30 PM, previous day. During US daylight time it is 12:30 AM EDT.
What is 7:30 PM IST in EST?
9:00 AM. During US daylight time it is 10:00 AM EDT.
Is all of India on the same time?
Yes. India has one time zone, IST, for the whole country, with no daylight saving time.