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IST to CST conversion table
For Tuesday, November 3, 2026. Rows where both places are inside 9 AM–5 PM are highlighted.
IST
CST
12:00 AM
12:30 PM (previous day)
1:00 AM
1:30 PM (previous day)
2:00 AM
2:30 PM (previous day)
3:00 AM
3:30 PM (previous day)
4:00 AM
4:30 PM (previous day)
5:00 AM
5:30 PM (previous day)
6:00 AM
6:30 PM (previous day)
7:00 AM
7:30 PM (previous day)
8:00 AM
8:30 PM (previous day)
9:00 AM
9:30 PM (previous day)
10:00 AM
10:30 PM (previous day)
11:00 AM
11:30 PM (previous day)
12:00 PM
12:30 AM
1:00 PM
1:30 AM
2:00 PM
2:30 AM
3:00 PM
3:30 AM
4:00 PM
4:30 AM
5:00 PM
5:30 AM
6:00 PM
6:30 AM
7:00 PM
7:30 AM
8:00 PM
8:30 AM
9:00 PM
9:30 AM
10:00 PM
10:30 AM
11:00 PM
11:30 AM
About these time zones
IST: India Standard Time
India Standard Time (IST). All of India, including Mumbai, New Delhi, Bengaluru and Kolkata. IST is UTC+5:30 all year. IST can also mean Irish or Israel Standard Time; this page means India.
No clock change is scheduled; the offset stays the same all year.
CST: Central Standard Time
Central Time (CST/CDT). Chicago, Dallas, Houston, Austin, Minneapolis, New Orleans and Winnipeg. CST is UTC−6; in summer the region uses CDT, UTC−5.
Sunday, March 14, 2027: clocks go forward 1 hour at 2:00 AM local time (UTC−6 → UTC−5).
Questions about IST and CST time
What is the time difference between IST and CST?
The current difference is shown at the top of this page. IST uses India Standard Time (IST, UTC+5:30) all year; CST uses Central Standard Time (CST, UTC−6) as standard time and Central Daylight Time (CDT, UTC−5) during daylight saving time. The difference can change if only one side observes daylight saving time or if their clocks change on different dates. Choose your meeting date in the converter to check the applicable offset.
When it is 9:00 AM in IST, what time is it in CST?
On Tuesday, November 3, 2026, 9:00 AM in IST was 9:30 PM (previous day) in CST. The conversion table above shows today’s values.
Do the clocks change in IST or CST?
IST does not change its clocks. CST: Sunday, March 14, 2027: clocks go forward 1 hour at 2:00 AM local time (UTC−6 → UTC−5).
Is IST the same as IST?
India Standard Time does not use daylight saving time, so IST applies all year.