CDT to IST time converter
IST is 10h 30m ahead of CDT. CDT is Chicago's summer time; in 2026 it runs Mar 8 to Oct 31. From Nov 1 it's CST, and the gap becomes 11h 30m. 9:00 AM CDT is 7:30 PM IST.
How many hours is IST from CDT?
During this season, IST is 10h 30m ahead of CDT.
CDT is Chicago's summer time. Outside Mar 8 to Oct 31, Chicago is on CST and the gap is 11h 30m. For the whole year, see CST to IST.
Working with more than one US city? See India time to US time for all four US zones and US work hours in IST.
When is CDT used?
- 2026: Mar 8 to Oct 31
- 2027: Mar 14 to Nov 6
Computed from your browser's time zone database (IANA America/Chicago).
What's the best time for a meeting between CDT 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 CDT?
Every hour in CDT while Chicago is on CDT (Mar 8 to Oct 31). 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
IST is 10h 30m ahead of CDT. That's while Chicago is on CDT, Mar 8 to Oct 31, 2026. The rest of the year it's CST and the gap is 11h 30m.
Chicago uses CDT from Mar 8 to Oct 31, 2026, then CST until Mar 13, 2027. CDT starts again on Mar 14, 2027. The clocks on this page always use the right one for the date you pick.
They are the same place, Chicago, at different times of year. CDT is one hour ahead of CST. If someone writes CST in summer, they almost always mean CDT.
9:00 AM CDT is 7:30 PM 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.
Drag on the CDT 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 CDT or IST: IST to EST, IST to PST, IST to CST, IST to UTC, IST to GMT, IST to EDT, EDT to IST, IST to PDT, PDT to IST, 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.