EST to IST to CDT
CDT is not used on this date
This converter uses CST (GMT -6), the offset Chicago uses on this date. Open the CST converter.Compare EST time with IST and CDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Eastern Standard Time is 10 hours and 30 minutes behind India Standard Time and 1 hour ahead of Central Standard Time
7:00 am07:00 in EST is 5:30 pm17:30 in IST and is 6:00 am06:00 in CST
EST to IST call time
Best time for a conference call or a meeting is between 7:30am-8:30am in EST which corresponds to 6pm-7pm in IST
EST to CST call time
Best time for a conference call or a meeting is between 10am-5pm in EST which corresponds to 9am-4pm in CST
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours
7:00 am07:00 EST / 5:30 pm17:30 IST / 6:00 am06:00 CST
| EST | IST | CST |
|---|---|---|
| 12am (midnight) | 10:30 am | 11pm |
| 1am | 11:30 am | 12am (midnight) |
| 2am | 12:30 pm | 1am |
| 3am | 1:30 pm | 2am |
| 4am | 2:30 pm | 3am |
| 5am | 3:30 pm | 4am |
| 6am | 4:30 pm | 5am |
| 7am | 5:30 pm | 6am |
| 8am | 6:30 pm | 7am |
| 9am | 7:30 pm | 8am |
| 10am | 8:30 pm | 9am |
| 11am | 9:30 pm | 10am |
| 12pm (noon) | 10:30 pm | 11am |
| 1pm | 11:30 pm | 12pm (noon) |
| 2pm | 12:30 am | 1pm |
| 3pm | 1:30 am | 2pm |
| 4pm | 2:30 am | 3pm |
| 5pm | 3:30 am | 4pm |
| 6pm | 4:30 am | 5pm |
| 7pm | 5:30 am | 6pm |
| 8pm | 6:30 am | 7pm |
| 9pm | 7:30 am | 8pm |
| 10pm | 8:30 am | 9pm |
| 11pm | 9:30 am | 10pm |
| 00:00 | 10:30 | 23:00 |
| 01:00 | 11:30 | 00:00 |
| 02:00 | 12:30 | 01:00 |
| 03:00 | 13:30 | 02:00 |
| 04:00 | 14:30 | 03:00 |
| 05:00 | 15:30 | 04:00 |
| 06:00 | 16:30 | 05:00 |
| 07:00 | 17:30 | 06:00 |
| 08:00 | 18:30 | 07:00 |
| 09:00 | 19:30 | 08:00 |
| 10:00 | 20:30 | 09:00 |
| 11:00 | 21:30 | 10:00 |
| 12:00 | 22:30 | 11:00 |
| 13:00 | 23:30 | 12:00 |
| 14:00 | 00:30 | 13:00 |
| 15:00 | 01:30 | 14:00 |
| 16:00 | 02:30 | 15:00 |
| 17:00 | 03:30 | 16:00 |
| 18:00 | 04:30 | 17:00 |
| 19:00 | 05:30 | 18:00 |
| 20:00 | 06:30 | 19:00 |
| 21:00 | 07:30 | 20:00 |
| 22:00 | 08:30 | 21:00 |
| 23:00 | 09:30 | 22:00 |
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
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
Central Daylight Time
Offset: CDT is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the CDT time zone is Chicago in the United States, with about 2.696 million people. Other major cities in this time zone include Houston, Ciudad Juarez, San Antonio, Dallas.
French: HAC - Heure Avancée du Centre
Spanish: CT - Zona Centro
Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Central Standard Time (CST).
End: Central Daylight Time (CDT) ended 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 local standard time instead. Daylight saving ends annually on the first Sunday of November
Start: Central Daylight Time (CDT) starts 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. Daylight saving starts annually on the second Sunday of March
CDT 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 CDT
- R - short form of 'Romeo'
- America/Chicago
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Matamoros
- America/Menominee
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Resolute
- America/Winnipeg
- CST6CDT
- Canada/Central
- US/Central
- US/Indiana-Starke
- Central Daylight Time - UTC -5
- Cuba Daylight Time - UTC -4
- 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