CST to IST time converter
From Mar 8 to Oct 31, IST is 10h 30m ahead of CDT. From Nov 1 to Mar 7, IST is 11h 30m ahead of CST. From Mar 8 to Oct 31, 9:00 AM CDT is 7:30 PM IST. From Nov 1 to Mar 7, 9:00 AM CST is 8:30 PM IST.
How many hours is IST from CST?
Today, IST is 10h 30m ahead of CDT.
From Mar 8 to Oct 31, IST is 10h 30m ahead of CDT. From Nov 1 to Mar 7, IST is 11h 30m ahead of CST.
CDT and CST are both Central Time (Chicago).
Working with more than one US city? See India time to US time for all four US zones and US work hours in IST.
What's the best time for a meeting between CST and IST?
Work hours don't overlap. The easiest fit is 9:00 AM to 12:30 PM CDT (7:30 PM to 11:00 PM IST): your work day, their evening.
What time is it in IST for each hour in CST?
Every hour of today in CST, with daylight saving applied. Green means work hours (9 AM to 6 PM) on both sides.
| CDT | IST | Day |
|---|---|---|
| 12:00 AM | 10:30 AM | |
| 1:00 AM | 11:30 AM | |
| 2:00 AM | 12:30 PM | |
| 3:00 AM | 1:30 PM | |
| 4:00 AM | 2:30 PM | |
| 5:00 AM | 3:30 PM | |
| 6:00 AM | 4:30 PM | |
| 7:00 AM | 5:30 PM | |
| 8:00 AM | 6:30 PM | |
| 9:00 AM | 7:30 PM | |
| 10:00 AM | 8:30 PM | |
| 11:00 AM | 9:30 PM | |
| 12:00 PM | 10:30 PM | |
| 1:00 PM | 11:30 PM | |
| 2:00 PM | 12:30 AM | next day |
| 3:00 PM | 1:30 AM | next day |
| 4:00 PM | 2:30 AM | next day |
| 5:00 PM | 3:30 AM | next day |
| 6:00 PM | 4:30 AM | next day |
| 7:00 PM | 5:30 AM | next day |
| 8:00 PM | 6:30 AM | next day |
| 9:00 PM | 7:30 AM | next day |
| 10:00 PM | 8:30 AM | next day |
| 11:00 PM | 9:30 AM | next day |
Questions
From Mar 8 to Oct 31, IST is 10h 30m ahead of CDT. From Nov 1 to Mar 7, IST is 11h 30m ahead of CST. CDT and CST are both Central Time (Chicago).
Yes. Central Time changes its clocks on Mar 8 and Nov 1, 2026. India doesn't change clocks. The CST to IST gap follows these dates, and so does the converter on this page.
From Mar 8 to Oct 31, 9:00 AM CDT is 7:30 PM IST. From Nov 1 to Mar 7, 9:00 AM CST is 8:30 PM IST.
From Mar 8 to Oct 31: Work hours don't overlap. The easiest fit is 9:00 AM to 12:30 PM CDT (7:30 PM to 11:00 PM IST): your work day, their evening. From Nov 1 to Mar 7: Work hours don't overlap. The easiest fit is 9:30 PM to 11:00 PM CST (9:00 AM to 10:30 AM IST): their work day, your evening.
Drag on the CST clock above to mark when you're free, then tap Copy link or Copy image. The IST clock shows them in their time, and the link opens in their own time zone with no sign-up.
Related conversions
More with CST or IST: IST to EST, IST to PST, IST to UTC, IST to GMT, IST to EDT, IST to PDT, PDT to IST, IST to CDT, BST to IST, IST to BST, CET to IST, IST to CET, AEST to IST, SGT to IST, CST to EST, GST to IST, IST to MST, IST to AEST, IST to SGT, IST to GST, IST to JST, IST to NZT
How this page is made: every time here is computed from the IANA time zone database for the date shown, the same data your phone clock uses. Checked October 15, 2026. Spot a wrong time? Tell us.