CT to IST Converter
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Quick answers
Selected conversion
7:00 am07:00 CDT (UTC-5), Oct 28, 2026 = 5:30 pm17:30 IST (UTC+5:30), Oct 28, 2026
CDT is 10 hours and 30 minutes behind IST.
How the time difference changes
For most of the year, CT is 10 hours and 30 minutes behind IST. From Nov 1, 2026 to Mar 14, 2027, CT is 11 hours and 30 minutes behind IST.
For most of the year, working hours of 9:00 am to 6:00 pm in CT 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 CT 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 CT 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 CT correspond to 20:30 to 05:30 (next day) in IST.
Compare CT time with IST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Central Daylight Time is 10 hours and 30 minutes behind India Standard Time.
7:00 am07:00 in CDT is 5:30 pm17:30 in IST
CDT to IST call time
Best time for a conference call or a meeting is between 8am-9am08:00-09:00 in CDT which corresponds to 6:30pm-7:30pm18:30-19:30 in IST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
7:00 am07:00 CDT / 5:30 pm17:30 IST
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| CT | IST |
|---|---|
| 10:30am | |
| 11:30am | |
| 12:30pm | |
| 1:30pm | |
| 2:30pm | |
| 3:30pm | |
| 4:30pm | |
| 5:30pm | |
| 6:30pm | |
| 7:30pm | |
| 8:30pm | |
| 9:30pm | |
| 10:30pm | |
| 11:30pm | |
| 12:30am next day | |
| 1:30am next day | |
| 2:30am next day | |
| 3:30am next day | |
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| 5:30am next day | |
| 6:30am next day | |
| 7:30am next day | |
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| 10:30 | |
| 11:30 | |
| 12:30 | |
| 13:30 | |
| 14:30 | |
| 15:30 | |
| 16:30 | |
| 17:30 | |
| 18:30 | |
| 19:30 | |
| 20:30 | |
| 21:30 | |
| 22:30 | |
| 23:30 | |
| 00:30 next day | |
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| 03:30 next day | |
| 04:30 next day | |
| 05:30 next day | |
| 06:30 next day | |
| 07:30 next day | |
| 08:30 next day | |
| 09:30 next day |
Central Time
Central Time (CT) is a general term used to describe the areas that observe either the Central Standard Time (CST) or Central Daylight Time (CDT) in the United States and Canada. CT is not static but switches between CDT and CST.
Territories observing the time zone are primarily in North and Central America. It runs through several Mexican and U.S. states, as well as several Canadian provinces and Central American countries.
Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States
Principal Cities: The largest city in the CT 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 the lighter areas are on UTC−6 (Central Standard Time, MDT).
CT 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 CT
- S - short form of 'Sierra'
- 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
- +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