IST Ist to EDT Converter
Time Difference
India Standard Time is 9 hours and 30 minutes ahead of Eastern Daylight Time
9:30 am09:30 in IST is 12:00 am00:00 in EDT
IST to EDT call time
Best time for a conference call or a meeting is between 5:30pm-7:30pm in IST which corresponds to 8am-10am in EDT
9:30 am09:30 India Standard Time (IST). Offset UTC +5:30 hours
12:00 am00:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
9:30 am09:30 IST / 12:00 am00:00 EDT
IST | EDT |
---|---|
12am (midnight) | 2:30 pm |
1am | 3:30 pm |
2am | 4:30 pm |
3am | 5:30 pm |
4am | 6:30 pm |
5am | 7:30 pm |
6am | 8:30 pm |
7am | 9:30 pm |
8am | 10:30 pm |
9am | 11:30 pm |
10am | 12:30 am |
11am | 1:30 am |
12pm (noon) | 2:30 am |
1pm | 3:30 am |
2pm | 4:30 am |
3pm | 5:30 am |
4pm | 6:30 am |
5pm | 7:30 am |
6pm | 8:30 am |
7pm | 9:30 am |
8pm | 10:30 am |
9pm | 11:30 am |
10pm | 12:30 pm |
11pm | 1:30 pm |
0:00 | 14:30 |
1:00 | 15:30 |
2:00 | 16:30 |
3:00 | 17:30 |
4:00 | 18:30 |
5:00 | 19:30 |
6:00 | 20:30 |
7:00 | 21:30 |
8:00 | 22:30 |
9:00 | 23:30 |
10:00 | 0:30 |
11:00 | 1:30 |
12:00 | 2:30 |
13:00 | 3:30 |
14:00 | 4:30 |
15:00 | 5:30 |
16:00 | 6:30 |
17:00 | 7:30 |
18:00 | 8:30 |
19:00 | 9:30 |
20:00 | 10:30 |
21:00 | 11:30 |
22:00 | 12:30 |
23:00 | 13:30 |
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: India
Principal Cities: The largest city in the IST timezone is Mumbai from India with population about 12.692 million people. Other major cities in the area are Delhi, Bangalore, Kolkata, Chennai
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 five hour and thirty minutes time differences 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 Daylight Time
Offset: EDT is 4 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Bahamas, Canada, Haiti, Turks & Caicos Is, United States
Principal Cities: The largest city in the EDT timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens
French: HAE - Heure Avancée de l'Est
Spanish: EDT - Tiempo de verano del Este, ET - Zona Sureste

Daylight Saving: Eastern Daylight Time (EDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Eastern Standard Time (EST).
Start: Eastern Daylight Time (EDT) started on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Eastern Daylight Time (EDT) ends on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
EDT representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four hour and zero minutes time differences to the west of the zero meridian.
- Quebec - Military abbreviation for EDT
- Q - short form of 'Quebec'
- 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/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST5EDT
- US/East-Indiana
- US/Eastern
- US/Michigan
- AST - Atlantic Standard Time
- EDT - Eastern Daylight Time
- AMT - Amazon Time
- BOT - Bolivia Time
- CDT - Cuba Daylight Time
- CLT - Chile Standard Time
- FKT - Falkland Island Time
- GYT - Guyana Time
- HLV - Hora Legal de Venezuela
- PYT - Paraguay Time
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time