IST to CST Converter
Central Standard Time · Chicago, Dallas, Houston, Minneapolis, Kansas City
Also convert in reverse: CST to IST →
Live Clock
IST to CST Conversion Table
Common IST times converted to Central Standard Time
| IST (UTC+05:30) | CST (UTC-06:00) | Note |
|---|---|---|
| 12:00 AM (midnight) | 12:30 PM | −1 day |
| 6:00 AM | 6:30 PM | −1 day |
| 9:00 AM | 9:30 PM | −1 day |
| 12:00 PM (noon) | 12:30 AM | |
| 3:00 PM | 3:30 AM | |
| 6:00 PM | 6:30 AM | |
| 9:00 PM | 9:30 AM | |
| 11:30 PM | 12:00 PM |
Quick IST Converter
Enter any time to convert instantly
About Central Standard Time
How to convert IST to CST
Indian Standard Time (IST) is UTC+5:30. Central Standard Time is UTC-06:00. To convert IST to CST, subtract 11.5 hours from your IST time.
For example, 12:00 PM IST = 12:30 AM CST .
Time Difference: India (IST) and USA
Indian Standard Time (IST) is UTC+5:30. Central Standard Time is UTC-06:00, making the difference IST −11:30 hrs. India does not observe Daylight Saving Time — IST stays fixed at UTC+5:30 year-round. If USA observes DST, the offset between IST and CST changes by 1 hour during the DST period (typically spring–autumn in the Northern Hemisphere).
⏰ Best overlap: 9:00 IST = 9:30 AM CST
Common IST Times in CST
| India (IST) | USA — CST | Day |
|---|---|---|
| 9:00 AM IST (India morning) | 9:30 PM CST | prev day |
| 12:00 PM IST (India noon) | 12:30 AM CST | same day |
| 3:00 PM IST (India afternoon) | 3:30 AM CST | same day |
| 6:00 PM IST (India evening) | 6:30 AM CST | same day |
| 9:00 PM IST (India night) | 9:30 AM CST | same day |
Convert CST times to Indian Standard Time: CST to IST Converter →
India–USA Work Hour Overlap
Find the best meeting windows between India (IST) and USA — including shared business hours, DST shifts, and daily overlap charts.
View India–USA Overlap →