When it's 9:00 am in Chicago, it's 7:30 pm in New Delhi (8:30 pm from November to March). Your working days don't overlap at all, so someone starts early or stays late for every call.
Convert Central Daylight Time (CDT) to India Standard Time (IST) for any date and time.
India Standard Time is 10 hours 30 minutes ahead of Central Time from March to November, and 11 hours 30 minutes ahead the rest of the year.
Right now Central Time is on CST (UTC−6) and IST is UTC+5:30. Central Time switches to daylight saving time on 14 March 2027.
9:00 am to 5:00 pm CST is 8:30 pm IST to 4:30 am IST the next day.
Central TimeReference
US, Canada & Mexico
Wed, Nov 4
India Standard Time
India
Thu, Nov 5Next day
No shared working hours on Wed, Nov 4. Closest fit: 9:00 AM–10:00 AM in Central Time, when 1 of 2 are at work and the rest are nearest their day.
Share a booking link insteadWorking hours: 9:00 AM–5:00 PM, Monday to FridayClosest fit
Every hour of the day in CST, converted to IST. Hatched cells are working hours (9:00 am to 5:00 pm); rows with the accent bar are working hours in both zones.
| CST / CDT | IST (with CST)Until 14 March 2027 | IST (with CDT)From 14 March 2027 |
|---|---|---|
| 12:00 am | 11:30 am IST | 10:30 am IST |
| 1:00 am | 12:30 pm IST | 11:30 am IST |
| 2:00 am | 1:30 pm IST | 12:30 pm IST |
| 3:00 am | 2:30 pm IST | 1:30 pm IST |
| 4:00 am | 3:30 pm IST | 2:30 pm IST |
| 5:00 am | 4:30 pm IST | 3:30 pm IST |
| 6:00 am | 5:30 pm IST | 4:30 pm IST |
| 7:00 am | 6:30 pm IST | 5:30 pm IST |
| 8:00 am | 7:30 pm IST | 6:30 pm IST |
| 9:00 am | 8:30 pm IST | 7:30 pm IST |
| 10:00 am | 9:30 pm IST | 8:30 pm IST |
| 11:00 am | 10:30 pm IST | 9:30 pm IST |
| 12:00 pm | 11:30 pm IST | 10:30 pm IST |
| 1:00 pm | 12:30 am IST(next day) | 11:30 pm IST |
| 2:00 pm | 1:30 am IST(next day) | 12:30 am IST(next day) |
| 3:00 pm | 2:30 am IST(next day) | 1:30 am IST(next day) |
| 4:00 pm | 3:30 am IST(next day) | 2:30 am IST(next day) |
| 5:00 pm | 4:30 am IST(next day) | 3:30 am IST(next day) |
| 6:00 pm | 5:30 am IST(next day) | 4:30 am IST(next day) |
| 7:00 pm | 6:30 am IST(next day) | 5:30 am IST(next day) |
| 8:00 pm | 7:30 am IST(next day) | 6:30 am IST(next day) |
| 9:00 pm | 8:30 am IST(next day) | 7:30 am IST(next day) |
| 10:00 pm | 9:30 am IST(next day) | 8:30 am IST(next day) |
| 11:00 pm | 10:30 am IST(next day) | 9:30 am IST(next day) |
A 9-to-5 working day in CST and one in IST don't overlap. The closest fit is 9:00 am CST (8:30 pm IST), when one of you starts early or stays late.
Central Daylight Time is UTC−5. CDT is also used for Cuba Daylight Time (UTC−4). This page converts North American Central Time.
Texas, Illinois, Minnesota, Louisiana and most of the Midwest and South, plus Manitoba, from March to November. Saskatchewan and most of Mexico don't switch to CDT.
CDT isn't in use at the moment: Central Time is on CST (UTC−6) until 14 March 2027. The times on this page follow the clocks, so they show CST.
India Standard Time is UTC+5:30. IST is also used for Irish Standard Time (UTC+1, Ireland's summer time) and Israel Standard Time (UTC+2). This page converts India Standard Time.
All of India, with no daylight saving time. Sri Lanka uses the same offset.