IST to CT time converter

CT is 10 hours 30 minutes behind IST. When it is 9:00 AM in IST, it is 10:30 PM (Fri, Oct 16) in CT.

IST UTC+5:30

Saturday, October 17, 2026

CT CDT

Friday, October 16, 2026

IST
India Standard Time
Sat, Oct 17
UTC+5:30
CT
Central Time
Fri, Oct 16
CDTUTC-5-10h 30m
Finding your time zone…
Shared working hours (9:00–18:00)

IST to CT conversion table

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

ISTCT
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 CT): 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 CT switch clocks on different dates:

  • Oct 17, 2026 – Nov 1, 2026: -10h 30m
  • Nov 1, 2026 – Mar 14, 2027: -11h 30m
  • Mar 14, 2027 – Oct 17, 2027: -10h 30m

More conversions

CT to ISTIST to UTCIST to GMTIST to ESTIST to CSTIST to MSTIST to PSTIST to CETIST to MSKIST to GSTIST to PKTIST to SGTIST to PHT
UTC to CTGMT to CTEST to CTCST to CTMST to CTPST to CTCET to CTMSK to CTGST to CTPKT to CTSGT to CTPHT to CT

Questions and answers

What is the time difference between IST and CT?

CT is 10 hours 30 minutes behind IST.

What time is it in CT when it is 9 AM in IST?

When it is 9:00 AM in IST, it is 10:30 PM (Fri, Oct 16) in CT.

When is the best time to call CT 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 CT): working hours on one side, early or late on the other.

Does the time difference between IST and CT change?

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