IST to CST/CDT time converter

CST/CDT is 10 hours 30 minutes behind IST. When it is 9:00 AM in IST, it is 10:30 PM (Thu, Oct 15) in CST/CDT.

IST UTC+5:30

Friday, October 16, 2026

CST/CDT CDT

Friday, October 16, 2026

IST
India Standard Time
Fri, Oct 16
UTC+5:30
CST/CDT
Central Standard Time
Fri, Oct 16
CDTUTC-5-10h 30m
Finding your time zone…
Shared working hours (9:00–18:00)

IST to CST/CDT conversion table

Every hour of today in IST and the matching time in CST/CDT. Light rows are typical working hours (9:00–18:00).

ISTCST/CDT
12:00 AM1:30 PM−1 day
1:00 AM2:30 PM−1 day
2:00 AM3:30 PM−1 day
3:00 AM4:30 PM−1 day
4:00 AM5:30 PM−1 day
5:00 AM6:30 PM−1 day
6:00 AM7:30 PM−1 day
7:00 AM8:30 PM−1 day
8:00 AM9:30 PM−1 day
9:00 AM10:30 PM−1 day
10:00 AM11:30 PM−1 day
11:00 AM12:30 AM
12:00 PM1:30 AM
1:00 PM2:30 AM
2:00 PM3:30 AM
3:00 PM4:30 AM
4:00 PM5:30 AM
5:00 PM6:30 AM
6:00 PM7:30 AM
7:00 PM8:30 AM
8:00 PM9:30 AM
9:00 PM10:30 AM
10:00 PM11:30 AM
11:00 PM12:30 PM

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:30 PM – 10:00 PM in IST (9:00 AM – 11:30 AM in CST/CDT): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because IST and CST/CDT switch clocks on different dates:

  • Oct 16, 2026 – Nov 1, 2026: -10h 30m
  • Nov 1, 2026 – Mar 14, 2027: -11h 30m
  • Mar 14, 2027 – Oct 16, 2027: -10h 30m

More conversions

CST to ISTIST to UTCIST to GMTIST to ESTIST to MSTIST to PSTIST to CETIST to MSKIST to GSTIST to PKTIST to SGTIST to PHTIST to CST (China)
UTC to CSTGMT to CSTEST to CSTMST to CSTPST to CSTCET to CSTMSK to CSTGST to CSTPKT to CSTSGT to CSTPHT to CSTCST (China) to CST

Questions and answers

What is the time difference between IST and CST/CDT?

CST/CDT is 10 hours 30 minutes behind IST.

What time is it in CST/CDT when it is 9 AM in IST?

When it is 9:00 AM in IST, it is 10:30 PM (Thu, Oct 15) in CST/CDT.

When is the best time to call CST/CDT from IST?

Working hours don't overlap fully. The closest fit is 7:30 PM – 10:00 PM in IST (9:00 AM – 11:30 AM in CST/CDT): working hours on one side, early or late on the other.

Does the time difference between IST and CST/CDT change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.