CST to EST to IST Time Converter
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Quick answers
Selected conversion
6:00 am06:00 CST (UTC-6), Nov 7, 2026 = 7:00 am07:00 EST (UTC-5), Nov 7, 2026 = 5:30 pm17:30 IST (UTC+5:30), Nov 7, 2026
CST is 1 hour behind EST. CST is 11 hours and 30 minutes behind IST.
How the time difference changes
CST to EST
For most of the year, CDT is 1 hour behind EDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, CST is 1 hour behind EST. Briefly around clock changes, CDT and EST have the same time or CST is 2 hours behind EDT.
For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 10:00 am to 7:00 pm in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 10:00 am to 7:00 pm in EST.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 10:00 to 19:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 10:00 to 19:00 in EST.
CST to IST
For most of the year, CDT is 10 hours and 30 minutes behind IST. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, CST is 11 hours and 30 minutes behind IST.
For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 7:30 pm to 4:30 am (next day) in IST. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 8:30 pm to 5:30 am (next day) in IST.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 19:30 to 04:30 (next day) in IST. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 20:30 to 05:30 (next day) in IST.
Compare CST time with EST and IST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Central Standard Time is 1 hour behind Eastern Standard Time. Central Standard Time is 11 hours and 30 minutes behind India Standard Time.
6:00 am06:00 in CST is 7:00 am07:00 in EST and is 5:30 pm17:30 in IST
CST to EST call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in CST which corresponds to 10am-6pm10:00-18:00 in EST
CST to IST call time
Best time for a conference call or a meeting is between 7:30am-8:30am07:30-08:30 in CST which corresponds to 7pm-8pm19:00-20:00 in IST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours
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 CST / 7:00 am07:00 EST / 5:30 pm17:30 IST
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| CST | EST | IST |
|---|---|---|
| 1:00am | 11:30am | |
| 2:00am | 12:30pm | |
| 3:00am | 1:30pm | |
| 4:00am | 2:30pm | |
| 5:00am | 3:30pm | |
| 6:00am | 4:30pm | |
| 7:00am | 5:30pm | |
| 8:00am | 6:30pm | |
| 9:00am | 7:30pm | |
| 10:00am | 8:30pm | |
| 11:00am | 9:30pm | |
| 12:00pm | 10:30pm | |
| 1:00pm | 11:30pm | |
| 2:00pm | 12:30am next day | |
| 3:00pm | 1:30am next day | |
| 4:00pm | 2:30am next day | |
| 5:00pm | 3:30am next day | |
| 6:00pm | 4:30am next day | |
| 7:00pm | 5:30am next day | |
| 8:00pm | 6:30am next day | |
| 9:00pm | 7:30am next day | |
| 10:00pm | 8:30am next day | |
| 11:00pm | 9:30am next day | |
| 12:00am next day | 10:30am next day | |
| 01:00 | 11:30 | |
| 02:00 | 12:30 | |
| 03:00 | 13:30 | |
| 04:00 | 14:30 | |
| 05:00 | 15:30 | |
| 06:00 | 16:30 | |
| 07:00 | 17:30 | |
| 08:00 | 18:30 | |
| 09:00 | 19:30 | |
| 10:00 | 20:30 | |
| 11:00 | 21:30 | |
| 12:00 | 22:30 | |
| 13:00 | 23:30 | |
| 14:00 | 00:30 next day | |
| 15:00 | 01:30 next day | |
| 16:00 | 02:30 next day | |
| 17:00 | 03:30 next day | |
| 18:00 | 04:30 next day | |
| 19:00 | 05:30 next day | |
| 20:00 | 06:30 next day | |
| 21:00 | 07:30 next day | |
| 22:00 | 08:30 next day | |
| 23:00 | 09:30 next day | |
| 00:00 next day | 10:30 next day |
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States
Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
Today all shaded areas are on CST.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central Daylight Time (CDT).
Start: Central Standard Time (CST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
End: Central Standard Time (CST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
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 an offset of six hours 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
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, United States
Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
Today all shaded areas are on EST.
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 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
End: Eastern Standard Time (EST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
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 of Greenwich Mean Time (GMT).
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, Bengaluru, Hyderabad, Ahmedabad.
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; see upcoming clock changes worldwide.
Current time in India: India time now
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