IST to EST Time Converter
This page converts India Standard Time (IST) to Eastern Time (EST). New York is 10 hours 30 minutes behind India when India is on IST (around January), and 9 hours 30 minutes behind when it is on IST (around July). The difference changes because the two zones change their clocks at different times.
Pick a date and time above for an exact conversion that accounts for daylight saving, or use the table below for a quick look-up.
Current time around the world
| Zone | Local time now | UTC offset |
|---|
The time difference
| Conversion | Add to IST |
|---|---|
| IST to EST | -10:30 |
| IST to EDT | -9:30 |
EST time = IST time - 10:30 hours
If the result passes midnight, the date moves forward (or back) by a day. The converter above shows the day change explicitly.
IST to EST conversion table
IST to EST (valid in January and whenever India Standard Time is on IST)
| India Standard Time (IST) | Eastern Time (EST) |
|---|---|
| 12:00 AM | 1:30 PM (previous day) |
| 1:00 AM | 2:30 PM (previous day) |
| 2:00 AM | 3:30 PM (previous day) |
| 3:00 AM | 4:30 PM (previous day) |
| 4:00 AM | 5:30 PM (previous day) |
| 5:00 AM | 6:30 PM (previous day) |
| 6:00 AM | 7:30 PM (previous day) |
| 7:00 AM | 8:30 PM (previous day) |
| 8:00 AM | 9:30 PM (previous day) |
| 9:00 AM | 10:30 PM (previous day) |
| 10:00 AM | 11:30 PM (previous day) |
| 11:00 AM | 12:30 AM |
| 12:00 PM | 1:30 AM |
| 1:00 PM | 2:30 AM |
| 2:00 PM | 3:30 AM |
| 3:00 PM | 4:30 AM |
| 4:00 PM | 5:30 AM |
| 5:00 PM | 6:30 AM |
| 6:00 PM | 7:30 AM |
| 7:00 PM | 8:30 AM |
| 8:00 PM | 9:30 AM |
| 9:00 PM | 10:30 AM |
| 10:00 PM | 11:30 AM |
| 11:00 PM | 12:30 PM |
IST to EDT (valid in July and whenever India Standard Time is on IST)
| India Standard Time (IST) | Eastern Time (EDT) |
|---|---|
| 12:00 AM | 2:30 PM (previous day) |
| 1:00 AM | 3:30 PM (previous day) |
| 2:00 AM | 4:30 PM (previous day) |
| 3:00 AM | 5:30 PM (previous day) |
| 4:00 AM | 6:30 PM (previous day) |
| 5:00 AM | 7:30 PM (previous day) |
| 6:00 AM | 8:30 PM (previous day) |
| 7:00 AM | 9:30 PM (previous day) |
| 8:00 AM | 10:30 PM (previous day) |
| 9:00 AM | 11:30 PM (previous day) |
| 10:00 AM | 12:30 AM |
| 11:00 AM | 1:30 AM |
| 12:00 PM | 2:30 AM |
| 1:00 PM | 3:30 AM |
| 2:00 PM | 4:30 AM |
| 3:00 PM | 5:30 AM |
| 4:00 PM | 6:30 AM |
| 5:00 PM | 7:30 AM |
| 6:00 PM | 8:30 AM |
| 7:00 PM | 9:30 AM |
| 8:00 PM | 10:30 AM |
| 9:00 PM | 11:30 AM |
| 10:00 PM | 12:30 PM |
| 11:00 PM | 1:30 PM |
Best times for a meeting between India and New York
These hours fall between 9 AM and 6 PM in both cities:
When India is on IST: there is no overlap between 9 AM and 6 PM in both zones. One side has to take an early or late call.
When India is on IST: there is no overlap between 9 AM and 6 PM in both zones. One side has to take an early or late call.
Frequently asked questions
What is the time difference between IST and EST?
New York is 10 hours 30 minutes behind India when India is on IST (around January), and 9 hours 30 minutes behind when it is on IST (around July). The difference changes because the two zones change their clocks at different times.
Does EST observe daylight saving time?
Yes, so the difference shifts twice a year. India Standard Time does not change its clocks, which is why the difference varies by season.
What time is 9 AM IST in EST?
9:00 AM IST is 10:30 PM (previous day) EST, and 9:00 AM IST is 11:30 PM (previous day) EDT.
How do I convert a different date or time?
Enter the date and time at the top of this page. The converter uses your browser's time zone database, so it applies the correct offset for that specific date, including the weeks around clock changes.
Related calculators
Last updated . Formulas are shown on the page and checked against the worked example.
This calculator is for general information and education only. It is not professional advice. Confirm important decisions with a qualified adviser.