Convert Eastern Standard Time to India Standard Time - Quick & Accurate
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Hover over any hour to see corresponding time in both zones
To schedule a meeting between EST and IST:
Pro Tip: Schedule calls between 8:00 AM - 10:00 AM EST (6:30 PM - 8:30 PM IST) for optimal availability in both time zones
| EST Time | IST Time | Context |
|---|---|---|
| 12:00 AM | 10:30 AM | Midnight EST |
| 01:00 AM | 11:30 AM | Late Night/Early Morning |
| 02:00 AM | 12:30 PM | Late Night/Early Morning |
| 03:00 AM | 01:30 PM | Late Night/Early Morning |
| 04:00 AM | 02:30 PM | Late Night/Early Morning |
| 05:00 AM | 03:30 PM | Late Night/Early Morning |
| 06:00 AM | 04:30 PM | Early Morning EST |
| 07:00 AM | 05:30 PM | Best Meeting Time |
| 08:00 AM | 06:30 PM | Best Meeting Time |
| 09:00 AM | 07:30 PM | Work Starts EST |
| 10:00 AM | 08:30 PM | Meeting Window |
| 11:00 AM | 09:30 PM | Meeting Window |
EDT (UTC-4) from March to November
America/New_York
Not observed - IST year-round
Asia/Kolkata
| Eastern Standard Time (EST) | India Standard Time (IST) |
|---|---|
Eastern Standard Time (EST) is 5 hours behind Coordinated Universal Time (UTC-5). During daylight saving time, the region observes Eastern Daylight Time (EDT), which is UTC-4. | India Standard Time (IST) is 5 hours and 30 minutes ahead of Coordinated Universal Time (UTC+5:30). India does not observe daylight saving time, maintaining UTC+5:30 throughout the year. |
Where Is It Used? | |
United States
Canada
Caribbean
Central & South America
| India
Sri Lanka
|
Key Facts | |
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EST (Eastern Standard Time) is 10 hours and 30 minutes behind IST (Indian Standard Time). During EDT (Eastern Daylight Time), the difference is 9 hours and 30 minutes. This means when it's 12:00 PM in New York (EST), it's 10:30 PM the same day in Mumbai (IST).
The best time to call from EST to IST is between 6:00 AM and 11:30 AM EST, which corresponds to 4:30 PM to 10:00 PM IST. This ensures EST callers reach India during evening hours when most people are available after work.
Yes, the time difference changes slightly. During EST (winter), India is 10 hours 30 minutes ahead. During EDT (summer), India is 9 hours 30 minutes ahead. India does not observe Daylight Saving Time, so the difference varies based on US time changes.
EST cities include New York, Miami, Atlanta, Boston, and Philadelphia. IST cities include Mumbai, Delhi, Bangalore, Kolkata, and Chennai. IST is used across all of India and Sri Lanka.
In 2025, DST starts on March 9 at 2:00 AM and ends on November 2 at 2:00 AM. During DST, EST becomes EDT (UTC-4). India does not observe Daylight Saving Time and remains at UTC+5:30 year-round.