Chicago to India Time Converter
India is 11 hours 30 minutes ahead of Chicago on CST and 10 hours 30 minutes ahead on CDT. 9:00 AM in Chicago is 8:30 PM in India on CST and 7:30 PM on CDT.
Daylight saving note: India never changes its clocks. India is 11 hours 30 minutes ahead of Chicago on CST (first Sunday in November to second Sunday in March) and 10 hours 30 minutes ahead on CDT.
CT to IST Conversion Table
Full 24-hour reference table. Use the live clocks above for the exact current offset.
| 🇺🇸 CT | 🇮🇳 CST → ISTUTC-6 to UTC+5:30, US standard time | 🇮🇳 CDT → ISTUTC-5 to UTC+5:30, US daylight time | Note |
|---|---|---|---|
| 00:00 | 11:30 AM | 10:30 AM | |
| 01:00 | 12:30 PM | 11:30 AM | |
| 02:00 | 1:30 PM | 12:30 PM | |
| 03:00 | 2:30 PM | 1:30 PM | |
| 04:00 | 3:30 PM | 2:30 PM | |
| 05:00 | 4:30 PM | 3:30 PM | |
| 06:00 | 5:30 PM | 4:30 PM | |
| 07:00 | 6:30 PM | 5:30 PM | |
| 08:00 | 7:30 PM | 6:30 PM | |
| 09:00 | 8:30 PM | 7:30 PM | |
| 10:00 | 9:30 PM | 8:30 PM | |
| 11:00 | 10:30 PM | 9:30 PM | |
| 12:00 | 11:30 PM | 10:30 PM | |
| 13:00 | 12:30 AM | 11:30 PM | next day |
| 14:00 | 1:30 AM | 12:30 AM | next day |
| 15:00 | 2:30 AM | 1:30 AM | next day |
| 16:00 | 3:30 AM | 2:30 AM | next day |
| 17:00 | 4:30 AM | 3:30 AM | next day |
| 18:00 | 5:30 AM | 4:30 AM | next day |
| 19:00 | 6:30 AM | 5:30 AM | next day |
| 20:00 | 7:30 AM | 6:30 AM | next day |
| 21:00 | 8:30 AM | 7:30 AM | next day |
| 22:00 | 9:30 AM | 8:30 AM | next day |
| 23:00 | 10:30 AM | 9:30 AM | next day |
* "next day" = converted time falls on the following calendar day.
Best Hours to Schedule Chicago–India Calls
Chicago and India share no 9-to-5 hours either, though the gap is smaller than from the West Coast. Chicago's 9:00 AM start is 8:30 PM in India on CST and 7:30 PM on CDT, after India's day has finished. The Chicago morning is the India evening. The Chicago late evening (9:30 to 11:30 PM CST) is the India morning (9:00 AM to 11:00 AM the next day).
| When | Chicago | India | Fit |
|---|---|---|---|
| CST → IST (UTC-6 to UTC+5:30, US standard time) | 9:30 PM–11:30 PM | 9:00 AM–11:00 AM (next day) | Chicago: after 5 PM. India: inside 9 AM–5 PM.A Chicago night that lands in the India morning. |
| CDT → IST (UTC-5 to UTC+5:30, US daylight time) | 10:30 PM–11:30 PM | 9:00 AM–10:00 AM (next day) | Chicago: after 5 PM. India: inside 9 AM–5 PM.Same India hours, an hour later in Chicago. |
| CST → IST (UTC-6 to UTC+5:30, US standard time) | 8:00 AM–9:00 AM | 7:30 PM–8:30 PM | Chicago: before 9 AM. India: after 5 PM.A Chicago early morning that lands in the India evening. |
| CDT → IST (UTC-5 to UTC+5:30, US daylight time) | 8:00 AM–9:00 AM | 6:30 PM–7:30 PM | Chicago: before 9 AM. India: after 5 PM.The same Chicago hour, an hour earlier in India. |
"Inside 9 AM–5 PM" is a planning assumption for a standard office day on each side, not a claim about any company's hours.
About Chicago (CT)
Chicago is on US Central Time: CST (UTC-6) from the first Sunday in November to the second Sunday in March, and CDT (UTC-5) in between. It's one hour behind New York and two hours ahead of Los Angeles, which is why the India gap sits between theirs.
About India (IST)
India stays on IST (UTC+5:30) in every month. Since Chicago changes its clocks and India doesn't, the only seasonal change in this gap comes from Chicago: it's one hour smaller during CDT than during CST. In the other direction, 9:00 AM in India is 9:30 PM the previous day in Chicago on CST and 10:30 PM the previous day on CDT.
How to Avoid Chicago–India Conversion Mistakes
India is already on the next calendar day from these CT times onward: 12:30 PM for CST → IST, 1:30 PM for CDT → IST. For example, 11:00 PM CT is 10:30 AM in India on the next day (CST → IST).
Don't reuse the New York to India gap for a Chicago call. Chicago is one hour behind New York, so the India gap is one hour longer: 11 hours 30 minutes on CST (10 hours 30 minutes from New York on EST) and 10 hours 30 minutes on CDT (9 hours 30 minutes from New York on EDT).
Frequently Asked Questions
What is the time difference between Chicago and India?
India is 11 hours 30 minutes ahead of Chicago on CST (first Sunday in November to the second Sunday in March) and 10 hours 30 minutes ahead on CDT (the rest of the year).
What time is 9 AM in Chicago in India?
9:00 AM in Chicago is 8:30 PM in India on CST and 7:30 PM on CDT, both the same evening.
Does the Chicago to India gap change?
Yes, by one hour twice a year. The US moves its clocks on the second Sunday in March (the gap shrinks from 11 hours 30 minutes to 10 hours 30 minutes) and on the first Sunday in November (back to 11 hours 30 minutes). India's clocks don't change.
What is the best time for a Chicago to India meeting?
No time is inside both 9-to-5 days. On CST, 9:30 to 11:30 PM in Chicago is 9:00 AM to 11:00 AM the next day in India. On CDT, shift the Chicago time an hour later (10:30 PM to 12:30 AM) to land on the same India hours.