IST to EST converter
9 am IST is 10:30 pm EST the day before.
EST is 10½ hours behind IST.
IST is India Standard Time, UTC+5:30. EST is Eastern Standard Time, UTC−5. To convert, subtract 10½ hours.
9 am IST is 10:30 pm EST the day before.
IST to EST, hour by hour
| IST UTC+5:30 | EST UTC−5 |
|---|---|
| 12 am | 1:30 pm −1 day |
| 1 am | 2:30 pm −1 day |
| 2 am | 3:30 pm −1 day |
| 3 am | 4:30 pm −1 day |
| 4 am | 5:30 pm −1 day |
| 5 am | 6:30 pm −1 day |
| 6 am | 7:30 pm −1 day |
| 7 am | 8:30 pm −1 day |
| 8 am | 9:30 pm −1 day |
| 9 am | 10:30 pm −1 day |
| 10 am | 11:30 pm −1 day |
| 11 am | 12:30 am |
| 12 pm | 1:30 am |
| 1 pm | 2:30 am |
| 2 pm | 3:30 am |
| 3 pm | 4:30 am |
| 4 pm | 5:30 am |
| 5 pm | 6:30 am |
| 6 pm | 7:30 am |
| 7 pm | 8:30 am |
| 8 pm | 9:30 am |
| 9 pm | 10:30 am |
| 10 pm | 11:30 am |
| 11 pm | 12:30 pm |
Daylight saving
EST is New York’s winter clock. Right now New York is on EDT (UTC−4), not EST. It switches to EST on Sunday, November 1, 2026 and back on Sunday, March 14, 2027.
IST doesn’t change for daylight saving.
If you mean the clocks in Mumbai and New York, whatever they’re on: Mumbai is 9½ hours ahead of New York now, then 10½ hours from Sunday, November 1, 2026, then 9½ hours from Sunday, March 14, 2027.
IST here means India Standard Time. The same letters are also used for Irish Standard Time (Ireland in summer, UTC+1) and Israel Standard Time (UTC+2).
Questions
What is 9 am IST in EST?
9 am IST is 10:30 pm EST the day before.
How many hours ahead is EST of IST?
EST is 10½ hours behind IST.
What is 5 pm IST in EST?
5 pm IST is 6:30 am EST.