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CST to IST converter
Central Time
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India Standard Time
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India Standard Time is 10 hours 30 minutes ahead of Central Time for most of the year, and 11 hours 30 minutes ahead of for part of it, because the two change their clocks on different dates (or only one of them changes at all).
When does the difference change?
In 2026:
- January 1 to March 7: India Standard Time is 11 hours 30 minutes ahead of Central Time
- March 8 to October 31: India Standard Time is 10 hours 30 minutes ahead of Central Time
- November 1 to December 31: India Standard Time is 11 hours 30 minutes ahead of Central Time
Questions
What time is 9 AM CST in IST?
For most of the year, 9 AM Central Time is 7:30 PM India Standard Time. For part of the year it is 8:30 PM, because of daylight saving time.
How many hours ahead or behind is IST from CST?
India Standard Time is 10 hours 30 minutes ahead of Central Time for most of the year, and 11 hours 30 minutes ahead of for part of it, because the two change their clocks on different dates (or only one of them changes at all).
Does the CST to IST difference change?
Yes. It changes 2 times in 2026 because of daylight saving time.
About these time zones
CST to IST, hour by hour
| Central Time | India Standard Time |
|---|---|
| 12 AM | 10:30 AM |
| 1 AM | 11:30 AM |
| 2 AM | 12:30 PM |
| 3 AM | 1:30 PM |
| 4 AM | 2:30 PM |
| 5 AM | 3:30 PM |
| 6 AM | 4:30 PM |
| 7 AM | 5:30 PM |
| 8 AM | 6:30 PM |
| 9 AM | 7:30 PM |
| 10 AM | 8:30 PM |
| 11 AM | 9:30 PM |
| 12 PM | 10:30 PM |
| 1 PM | 11:30 PM |
| 2 PM | 12:30 AM (next day) |
| 3 PM | 1:30 AM (next day) |
| 4 PM | 2:30 AM (next day) |
| 5 PM | 3:30 AM (next day) |
| 6 PM | 4:30 AM (next day) |
| 7 PM | 5:30 AM (next day) |
| 8 PM | 6:30 AM (next day) |
| 9 PM | 7:30 AM (next day) |
| 10 PM | 8:30 AM (next day) |
| 11 PM | 9:30 AM (next day) |
Based on the clocks on Monday, October 12, 2026. Use the converter above for another date.