CST to IST Time Converter
Live clocks, hourly reference table, and best meeting times for Chicago and India.
24-Hour Comparison Timeline
Green = working hours · Yellow = early/late · Red = night
Time difference & DST
India Standard Time is 11 hours 30 minutes ahead of US Central Standard Time, dropping to 10 hours 30 minutes when Chicago is on daylight saving time. Cities like Chicago, Dallas, and Houston all fall inside CST and follow the same offset with India.
India does not observe daylight saving time; the US shift between CST and CDT is the only calendar change affecting this pairing. Expect the offset to compress by an hour between mid-March and early November.
Best time to schedule a call
The workable overlap is a Central-time evening paired with an India morning: 8:00 PM CST equals 7:30 AM IST the next day, letting an early-shift India team meet with US colleagues who are wrapping up dinner.
24-hour reference table
Hour-by-hour mapping for today's date. Values update automatically as daylight-saving transitions occur.
| CST (Chicago) | IST (India) |
|---|---|
| 12:00 AM | 10:30 AM |
| 01:00 AM | 11:30 AM |
| 02:00 AM | 12:30 PM |
| 03:00 AM | 01:30 PM |
| 04:00 AM | 02:30 PM |
| 05:00 AM | 03:30 PM |
| 06:00 AM | 04:30 PM |
| 07:00 AM | 05:30 PM |
| 08:00 AM | 06:30 PM |
| 09:00 AM | 07:30 PM |
| 10:00 AM | 08:30 PM |
| 11:00 AM | 09:30 PM |
| 12:00 PM | 10:30 PM |
| 01:00 PM | 11:30 PM |
| 02:00 PM | 12:30 AM(Sun, Jul 5) |
| 03:00 PM | 01:30 AM(Sun, Jul 5) |
| 04:00 PM | 02:30 AM(Sun, Jul 5) |
| 05:00 PM | 03:30 AM(Sun, Jul 5) |
| 06:00 PM | 04:30 AM(Sun, Jul 5) |
| 07:00 PM | 05:30 AM(Sun, Jul 5) |
| 08:00 PM | 06:30 AM(Sun, Jul 5) |
| 09:00 PM | 07:30 AM(Sun, Jul 5) |
| 10:00 PM | 08:30 AM(Sun, Jul 5) |
| 11:00 PM | 09:30 AM(Sun, Jul 5) |
Frequently asked questions
What is the time difference between CST and IST?+
IST is 11 hours 30 minutes ahead of CST, and 10 hours 30 minutes ahead when Chicago is on Central Daylight Time (CDT).
Does India change clocks in summer?+
No — India stays on UTC+5:30 all year. Only the US Central Time side of this pairing observes DST.
What time in India is 8 PM CST?+
8:00 PM CST is 7:30 AM IST the next day, which is a common early-morning meeting slot in Bangalore.