10 am IST to EST
12:30 AM EST
10am IST is 12:30 AM EST (same day), or 11:30 PM EST (previous day) from 1 Jan–8 Mar and 1 Nov–31 Dec.
10 am IST through 2026
| Dates (2026) | 10 am IST is | Difference |
|---|---|---|
| 1 Jan – 8 Mar | 11:30 PM EST previous day | EST 10 h 30 min behind IST |
| 8 Mar – 1 Nov | 12:30 AM EST same day | EST 9 h 30 min behind IST |
| 1 Nov – 31 Dec | 11:30 PM EST previous day | EST 10 h 30 min behind IST |
From the IANA tz database (2026c). Use the converter for an exact date.
Check a specific date
Other IST to EST times
Questions
What is 10 am IST in EST?
10am IST is 12:30 AM EST (same day), or 11:30 PM EST (previous day) from 1 Jan–8 Mar and 1 Nov–31 Dec. The difference changes because EST observes daylight saving time.
Which IST is this?
IST can also mean Irish Standard Time or Israel Standard Time. This page means India (Asia/Kolkata), which has one zone and no daylight saving time.
Which EST is this?
Strictly, EST is the winter offset (UTC−5). From March to November the same clocks run on EDT (UTC−4). Most people who search "EST" mean whatever the US East Coast clocks show, so this page follows America/New_York.