EST to CST to Chennai, India
Time Difference
Eastern Daylight Time is 1 hour ahead of Central Daylight Time and 9 hours and 30 minutes behind IST (India Standard Time)
3:30 pm15:30 in EDT is 2:30 pm14:30 in CDT and is 1:00 am01:00 in Chennai, India
EST to CST call time
Best time for a conference call or a meeting is between 9am-6pm in EST which corresponds to 8am-5pm in CST
EST to Chennai call time
Best time for a conference call or a meeting is between 7:30am-9:30am in EST which corresponds to 6pm-8pm in Chennai
3:30 pm15:30 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
2:30 pm14:30 Central Daylight Time (CDT). Offset UTC -5:00 hours
1:00 am01:00 IST (India Standard Time) (Chennai, India). Offset UTC +5:30 hours
3:30 pm15:30 EDT / 2:30 pm14:30 CDT / 1:00 am01:00 Chennai, India
| EDT | CDT | Chennai, India |
|---|---|---|
| 12am (midnight) | 11pm | 9:30 am |
| 1am | 12am (midnight) | 10:30 am |
| 2am | 1am | 11:30 am |
| 3am | 2am | 12:30 pm |
| 4am | 3am | 1:30 pm |
| 5am | 4am | 2:30 pm |
| 6am | 5am | 3:30 pm |
| 7am | 6am | 4:30 pm |
| 8am | 7am | 5:30 pm |
| 9am | 8am | 6:30 pm |
| 10am | 9am | 7:30 pm |
| 11am | 10am | 8:30 pm |
| 12pm (noon) | 11am | 9:30 pm |
| 1pm | 12pm (noon) | 10:30 pm |
| 2pm | 1pm | 11:30 pm |
| 3pm | 2pm | 12:30 am |
| 4pm | 3pm | 1:30 am |
| 5pm | 4pm | 2:30 am |
| 6pm | 5pm | 3:30 am |
| 7pm | 6pm | 4:30 am |
| 8pm | 7pm | 5:30 am |
| 9pm | 8pm | 6:30 am |
| 10pm | 9pm | 7:30 am |
| 11pm | 10pm | 8:30 am |
| 0:00 | 23:00 | 9:30 |
| 1:00 | 0:00 | 10:30 |
| 2:00 | 1:00 | 11:30 |
| 3:00 | 2:00 | 12:30 |
| 4:00 | 3:00 | 13:30 |
| 5:00 | 4:00 | 14:30 |
| 6:00 | 5:00 | 15:30 |
| 7:00 | 6:00 | 16:30 |
| 8:00 | 7:00 | 17:30 |
| 9:00 | 8:00 | 18:30 |
| 10:00 | 9:00 | 19:30 |
| 11:00 | 10:00 | 20:30 |
| 12:00 | 11:00 | 21:30 |
| 13:00 | 12:00 | 22:30 |
| 14:00 | 13:00 | 23:30 |
| 15:00 | 14:00 | 0:30 |
| 16:00 | 15:00 | 1:30 |
| 17:00 | 16:00 | 2:30 |
| 18:00 | 17:00 | 3:30 |
| 19:00 | 18:00 | 4:30 |
| 20:00 | 19:00 | 5:30 |
| 21:00 | 20:00 | 6:30 |
| 22:00 | 21:00 | 7:30 |
| 23:00 | 22:00 | 8:30 |
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States
Principal Cities: The largest city in the EST 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: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Eastern Daylight Time (EDT).
End: Eastern Standard Time (EST) has ended 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 local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Eastern Standard Time (EST) starts 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. Standard time starts annually the on first Sunday of November.
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 five hour and zero minutes time differences 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
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States
Principal Cities: The largest city in the CST timezone is Mexico City from Mexico with population about 12.294 million people. Other major cities in the area are Chicago, Houston, Iztapalapa, Ecatepec
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Central Daylight Time (CDT).
End: Central Standard Time (CST) has ended 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 local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Central Standard Time (CST) starts 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. Standard time starts annually the on first Sunday of November.
CST representations, usage and related time zones
- -06 - basic short
- -0600 - basic
- -06:00 - extended
- -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates six hour and zero minutes time differences to the west of the zero meridian.
- Sierra - Military abbreviation for CST
- S - short form of 'Sierra'
- America/Bahia_Banderas
- America/Belize
- America/Chicago
- America/Chihuahua
- America/Costa_Rica
- America/El_Salvador
- America/Guatemala
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Managua
- America/Matamoros
- America/Menominee
- America/Merida
- America/Mexico_City
- America/Monterrey
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Regina
- America/Resolute
- America/Swift_Current
- America/Tegucigalpa
- America/Winnipeg
- CST6CDT
- Canada/Central
- Canada/Saskatchewan
- Mexico/General
- US/Central
- US/Indiana-Starke
- Central Standard Time - UTC -6
- China Standard Time - UTC +8
- Cuba Standard Time - UTC -5
- Colombia Standard Time - UTC -5
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone