EST to IST Converter
IST is 10 hours and 30 minutes ahead of EST
EST to IST Conversion Table
Green rows indicate standard business hours (9 AM – 5 PM) in IST
| EST | IST |
|---|---|
| 12:00 AM | 10:30 AM |
| 1:00 AM | 11:30 AM |
| 2:00 AM | 12:30 PM |
| 3:00 AM | 1:30 PM |
| 4:00 AM | 2:30 PM |
| 5:00 AM | 3:30 PM |
| 6:00 AM | 4:30 PM |
| 7:00 AM | 5:30 PM |
| 8:00 AM | 6:30 PM |
| 9:00 AM | 7:30 PM |
| 10:00 AM | 8:30 PM |
| 11:00 AM | 9:30 PM |
| 12:00 PM | 10:30 PM |
| 1:00 PM | 11:30 PM |
| 2:00 PM | 12:30 AM +1d |
| 3:00 PM | 1:30 AM +1d |
| 4:00 PM | 2:30 AM +1d |
| 5:00 PM | 3:30 AM +1d |
| 6:00 PM | 4:30 AM +1d |
| 7:00 PM | 5:30 AM +1d |
| 8:00 PM | 6:30 AM +1d |
| 9:00 PM | 7:30 AM +1d |
| 10:00 PM | 8:30 AM +1d |
| 11:00 PM | 9:30 AM +1d |
Converting Eastern Standard Time to India Standard Time
Eastern Standard Time (EST) and India Standard Time (IST) are separated by a 10 hours and 30 minutes time difference. IST is 10 hours and 30 minutes ahead of EST. EST is UTC-5, used in United States, Canada, Jamaica, while IST is UTC+5:30, used in India, Sri Lanka.
When converting from EST to IST, the key reference points to remember are: 9:00 AM EST equals 7:30 PM IST, 12:00 PM noon EST equals 10:30 PM IST, and 5:00 PM EST equals 3:30 AM IST. The conversion table above shows every hour of the day mapped between these two time zones.
Scheduling Across EST and IST
For professionals scheduling meetings between EST and IST, finding overlapping business hours is essential. Standard business hours are typically 9:00 AM to 5:00 PM in each time zone. Given the 10 hours and 30 minutes difference, the window of overlap may be limited, making early morning or late evening calls necessary for one party. Use the highlighted working hours in the conversion table above to quickly identify suitable meeting times.
Daylight Saving Time Considerations
EST observes Daylight Saving Time, switching to EDT (UTC-4) during summer months. IST does not observe DST, staying at UTC+5:30 year-round. During DST transitions, the time difference between these zones may temporarily change by 1 hour. Always verify the current offset during spring and fall transition periods.