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CST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
IST
UTC+5:30
11h 30m ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
IndiaIST
UTC+5:30
11h 30m ahead
12am
3am
6am
9am
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3pm
6pm
9pm

Quick answers

Selected conversion

6:00 am06:00 CST (UTC-6), Nov 10, 2026 = 5:30 pm17:30 IST (UTC+5:30), Nov 10, 2026 = 5:30 pm17:30 IST (UTC+5:30), Nov 10, 2026

CST is 11 hours and 30 minutes behind IST. CST is 11 hours and 30 minutes behind New Delhi.

How the time difference changes

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.

CST to New Delhi

For most of the year, CDT is 10 hours and 30 minutes behind New Delhi. 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 New Delhi.

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 New Delhi. 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 New Delhi.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 New Delhi. 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 New Delhi.

Compare CST time with IST and New Delhi time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Central Standard Time is 11 hours and 30 minutes behind India Standard Time. Central Standard Time is 11 hours and 30 minutes behind IST (India Standard Time).
6:00 am06:00 in CST is 5:30 pm17:30 in IST and is 5:30 pm17:30 in New Delhi, India

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.
CST to New Delhi 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 New Delhi. 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
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
5:30 pm17:30 IST (India Standard Time) (New Delhi, India). Offset UTC +5:30 hours

6:00 am06:00 CST / 5:30 pm17:30 IST / 5:30 pm17:30 New Delhi, India

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Hourly time comparison
CSTISTNew Delhi, India
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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

Map of the areas on Central Standard Time (CST)
CST all year CST part of the year

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).

123456789101112Start: 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.

123456789101112End: 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

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -06 - basic short
  • -0600 - basic
  • -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Sierra - Military abbreviation for CST
  • S - short form of 'Sierra'
IANA/Olson: Reflects CST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • 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
CST Abbreviation: Several time zones share CST abbreviation and it could refer to these time zones
  • Central Standard Time - UTC -6
  • China Standard Time - UTC +8
  • Cuba Standard Time - UTC -5
Time zones with the GMT -6 offset:
  • CST - Central Standard Time
  • CT - Central Time
  • MDT - Mountain Daylight Time
  • EAST - Easter Island Standard Time
  • GALT - Galapagos Time
  • S - Sierra 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

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0530 - basic
  • +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Calcutta
  • Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2

New Delhi Time Zone and Facts

Time Zone

Abbreviation / Offset
IST – India Standard Time, UTC+5:30 (no daylight saving time)

New Delhi Facts

Country
India
Alternative Names
Dellium Novum, Dilli, Dillí, N'ju-Deli, Neo Delchi, Neu-Delhi, Nev Deli, New Delhi, New Dilli, Nju Delkhi, Nov-Delhio, Nova Delhi, Nova Deli, Nova Deli - na'i dilli, Nova Deli - नई दिल्ली, Nova-Delhi, Nove Dilli, Nové Dillí, Nueba Deli, Nueva Delhi, Nuova Delhi, Nyja Deli, Nyu Deli, Nòva Delhi, Nýja Delí, Yeni Delhi, dlhy aljdydt, na'i dilli, naya dilli, niu-deli, niwde li, nyudelli, nyuderi, nyw dlhy, nywdlhy, putu tilli, xin de li, Νέο Δελχί, Њу Делхи, Нев Дели, Нью-Дели, Նյու Դելի, ניו דלהי, دلهي الجديدة, نيودلهي, नई दिल्ली, নয়া দিল্লী, புது தில்லி, นิวเดลี, ནེའུ་དིལ་ལིའི, ნიუ-დელი, ኒው ዴሊ, ニューデリー, 新德里, 뉴델리
Population
317,797
Currency
Rupee (INR)
Geographic Coordinates
28° 38' N Latitude / 77° 13' E Longitude
International Dialing Code
+91
Current Time in India