IST to CST ConverterRight in Your Browser
Convert India Standard Time (IST) to Central Time (CST). IST covers all of India — Mumbai, Delhi, Bengaluru, Hyderabad and Chennai. CST covers the central United States — Chicago, Dallas, Houston and New Orleans. Everything is calculated locally in your browser — no server, and it works offline.
10:30 PM (previous day)
in CST (Central Time)
CST is currently 10½ hours behind IST.
Current time in IST
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Current time in CST
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IST to CST Chart
| IST | CST |
|---|---|
| 12:00 AM | 1:30 PM (previous day) |
| 1:00 AM | 2:30 PM (previous day) |
| 2:00 AM | 3:30 PM (previous day) |
| 3:00 AM | 4:30 PM (previous day) |
| 4:00 AM | 5:30 PM (previous day) |
| 5:00 AM | 6:30 PM (previous day) |
| 6:00 AM | 7:30 PM (previous day) |
| 7:00 AM | 8:30 PM (previous day) |
| 8:00 AM | 9:30 PM (previous day) |
| 9:00 AM | 10:30 PM (previous day) |
| 10:00 AM | 11:30 PM (previous day) |
| 11:00 AM | 12:30 AM |
| 12:00 PM | 1:30 AM |
| 1:00 PM | 2:30 AM |
| 2:00 PM | 3:30 AM |
| 3:00 PM | 4:30 AM |
| 4:00 PM | 5:30 AM |
| 5:00 PM | 6:30 AM |
| 6:00 PM | 7:30 AM |
| 7:00 PM | 8:30 AM |
| 8:00 PM | 9:30 AM |
| 9:00 PM | 10:30 AM |
| 10:00 PM | 11:30 AM |
| 11:00 PM | 12:30 PM |
Frequently Asked Questions
How many hours ahead is CST of IST?
CST is currently 10½ hours behind IST. IST is India Standard Time (Asia/Kolkata); CST is Central Time (America/Chicago).
What time is 9:00 AM IST in CST?
9:00 AM IST is 10:30 PM (previous day) CST today. Use the converter above for any other time — it calculates with today's actual offsets.
Do IST and CST observe daylight saving time?
Partially — IST stays fixed year-round, while CST switches to CDT (UTC-5) from March to November. This converter uses today's real offsets, so daylight saving is always accounted for automatically.
When is the best time for a meeting between IST and CST?
Standard working hours (9 AM–6 PM) in IST and CST don't overlap — one side will need an early morning or late evening. Use the chart below to find the least painful slot.