IST to EST Converter
Quick answers
IST is 10 hours and 30 minutes ahead of EST. IST uses GMT +5:30, and EST uses GMT -5 for this comparison.
For example, 5:30 pm IST is 7:00 am EST. Use the converter above to adjust the date or time and create a shareable meeting link.
Best meeting overlap: 6pm-7pm IST, which is 7:30am-8:30am EST.
EST is a fixed UTC-5 standard-time offset. For current Eastern Time, compare IST to EDT or IST to ET.
Compare IST time with EST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
India Standard Time is 10 hours and 30 minutes ahead of Eastern Standard Time
5:30 pm17:30 in IST is 7:00 am07:00 in EST
IST to EST call time
Best time for a conference call or a meeting is between 6pm-7pm in IST which corresponds to 7:30am-8:30am in EST
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
5:30 pm17:30 IST / 7:00 am07:00 EST
| IST | EST |
|---|---|
| 12am (midnight) | 1:30 pm |
| 1am | 2:30 pm |
| 2am | 3:30 pm |
| 3am | 4:30 pm |
| 4am | 5:30 pm |
| 5am | 6:30 pm |
| 6am | 7:30 pm |
| 7am | 8:30 pm |
| 8am | 9:30 pm |
| 9am | 10:30 pm |
| 10am | 11:30 pm |
| 11am | 12:30 am |
| 12pm (noon) | 1:30 am |
| 1pm | 2:30 am |
| 2pm | 3:30 am |
| 3pm | 4:30 am |
| 4pm | 5:30 am |
| 5pm | 6:30 am |
| 6pm | 7:30 am |
| 7pm | 8:30 am |
| 8pm | 9:30 am |
| 9pm | 10:30 am |
| 10pm | 11:30 am |
| 11pm | 12:30 pm |
| 00:00 | 13:30 |
| 01:00 | 14:30 |
| 02:00 | 15:30 |
| 03:00 | 16:30 |
| 04:00 | 17:30 |
| 05:00 | 18:30 |
| 06:00 | 19:30 |
| 07:00 | 20:30 |
| 08:00 | 21:30 |
| 09:00 | 22:30 |
| 10:00 | 23:30 |
| 11:00 | 00:30 |
| 12:00 | 01:30 |
| 13:00 | 02:30 |
| 14:00 | 03:30 |
| 15:00 | 04:30 |
| 16:00 | 05:30 |
| 17:00 | 06:30 |
| 18:00 | 07:30 |
| 19:00 | 08:30 |
| 20:00 | 09:30 |
| 21:00 | 10:30 |
| 22:00 | 11:30 |
| 23:00 | 12:30 |
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: India
Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bangalore, Kolkata, Chennai.
Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
IST representations, usage and related time zones
- +0530 - basic
- +05:30 - extended
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
- Asia/Calcutta
- Asia/Kolkata
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States
Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.175 million people. Other major cities in this time zone include Toronto, Montreal, Brooklyn, Borough of Queens.
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).
Start: Eastern Standard Time (EST) started on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the first Sunday of November.
End: Eastern Standard Time (EST) ends on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.
EST representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
- America/Atikokan
- America/Cancun
- America/Cayman
- America/Coral_Harbour
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Jamaica
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Panama
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST
- EST5EDT
- Jamaica
- US/East-Indiana
- US/Eastern
- US/Michigan
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone