IST to EST Converter
EST is 10 hours 30 minutes behind IST. 9:00 AM IST = 10:30 PM EST (previous day).
EST is 10 hours 30 minutes behind IST at the moment. To convert IST to EST, subtract 10 hours 30 minutes from the IST time: 9:00 AM IST = 10:30 PM EST (previous day).
IST (India Time) is used in India and Sri Lanka (UTC+5:30, no daylight saving time). EST (Eastern Time) is used in New York, Washington DC, Florida, Georgia, Ohio, Michigan, Ontario, Quebec, Panama and Jamaica (all year). The same conversion is also searched as “ist to edt”.
IST here means India Standard Time, not Irish or Israel Standard Time.
IST to EST time conversion table
IST to EST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| IST | EST | Day |
|---|---|---|
| 12:00 AM IST | 1:30 PM EST | previous day |
| 1:00 AM IST | 2:30 PM EST | previous day |
| 2:00 AM IST | 3:30 PM EST | previous day |
| 3:00 AM IST | 4:30 PM EST | previous day |
| 4:00 AM IST | 5:30 PM EST | previous day |
| 5:00 AM IST | 6:30 PM EST | previous day |
| 6:00 AM IST | 7:30 PM EST | previous day |
| 7:00 AM IST | 8:30 PM EST | previous day |
| 8:00 AM IST | 9:30 PM EST | previous day |
| 9:00 AM IST | 10:30 PM EST | previous day |
| 10:00 AM IST | 11:30 PM EST | previous day |
| 11:00 AM IST | 12:30 AM EST | night |
| 12:00 PM IST | 1:30 AM EST | night |
| 1:00 PM IST | 2:30 AM EST | night |
| 2:00 PM IST | 3:30 AM EST | night |
| 3:00 PM IST | 4:30 AM EST | night |
| 4:00 PM IST | 5:30 AM EST | night |
| 5:00 PM IST | 6:30 AM EST | — |
| 6:00 PM IST | 7:30 AM EST | — |
| 7:00 PM IST | 8:30 AM EST | — |
| 8:00 PM IST | 9:30 AM EST | — |
| 9:00 PM IST | 10:30 AM EST | — |
| 10:00 PM IST | 11:30 AM EST | — |
| 11:00 PM IST | 12:30 PM EST | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert IST to EST
Subtract 10 hours 30 minutes from the IST time to get EST.
Example: 9:00 AM IST = 10:30 PM EST (previous day).
Across midnight: 1:00 AM IST = 2:30 PM EST (previous day). The date changes, so always check the day as well as the hour.
Time difference between IST and EST
The time difference between IST and EST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 7 Mar 2026: EST is 10 hours 30 minutes behind of IST.
- 8 Mar 2026 – 31 Oct 2026: EST is 9 hours 30 minutes behind of IST.
- 1 Nov 2026 – 31 Dec 2026: EST is 10 hours 30 minutes behind of IST.
IST and EST during daylight saving time
- IST does not observe daylight saving time; it stays on UTC+5:30 all year.
- EST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from EST (UTC−5) to EDT (UTC−4).
Best time for a meeting between IST and EST
IST and EST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM IST, which is 8:30 PM EST.
IST to EST FAQ
What is the time difference between IST and EST?
Right now EST is 10 hours 30 minutes behind IST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM IST in EST?
9:00 AM IST is 10:30 PM EST (previous day).
What is 12 PM (noon) IST in EST?
12:00 PM IST is 1:30 AM EST.
Is EST ahead of or behind IST?
EST is 10 hours 30 minutes behind IST, so it is earlier in EST than in IST.
Does IST change for daylight saving time?
No. IST stays on the same offset all year, so conversions never shift for daylight saving time.
Does EST change for daylight saving time?
Yes. EST next changes on 14 Mar 2027, when clocks go forward one hour from EST to EDT.
What is the best time for a meeting between IST and EST?
IST and EST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM IST, which is 8:30 PM EST.
Is ET the same as EST?
EST is the winter (standard) name of Eastern Time (ET). From March to November the same clocks are called EDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert EST to IST
Convert IST to other time zones
Convert other time zones to EST
IST to EST by hour
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.