Asleep
  1. Asleep
  2. Converter
  3. CST to IST

CST to IST converter

IST is 11 hours 30 minutes ahead of CST today. CST (Central Standard Time) - currently UTC−6; IST (India Standard Time) - currently UTC+5:30.

The 09:00-18:00 workdays in CST and IST don't overlap at all, so one side always works early or late. Quick answers: 9 AM CST = 8:30 PM IST, 12 PM CST = 11:30 PM IST, 5 PM CST = 4:30 AM IST (next day).

CST · Central Standard Time

UTC−6

IST · India Standard Time

UTC+5:30

Convert a time

IST
--:--

Working hours side by side

columns: CST hours
PING · 09–18 local MAYBE · 07–09, 18–21 NOT NOW · 21–07Outlined: everyone can be pinged

CST to IST conversion table

CSTISTVerdict in IST
12 AM · 00:0011:30 AM · 11:30PING
1 AM · 01:0012:30 PM · 12:30PING
2 AM · 02:001:30 PM · 13:30PING
3 AM · 03:002:30 PM · 14:30PING
4 AM · 04:003:30 PM · 15:30PING
5 AM · 05:004:30 PM · 16:30PING
6 AM · 06:005:30 PM · 17:30PING
7 AM · 07:006:30 PM · 18:30MAYBE
8 AM · 08:007:30 PM · 19:30MAYBE
9 AM · 09:008:30 PM · 20:30MAYBE
10 AM · 10:009:30 PM · 21:30NOT NOW
11 AM · 11:0010:30 PM · 22:30NOT NOW
12 PM · 12:0011:30 PM · 23:30NOT NOW
1 PM · 13:0012:30 AM · 00:30 (next day)NOT NOW
2 PM · 14:001:30 AM · 01:30 (next day)NOT NOW
3 PM · 15:002:30 AM · 02:30 (next day)NOT NOW
4 PM · 16:003:30 AM · 03:30 (next day)NOT NOW
5 PM · 17:004:30 AM · 04:30 (next day)NOT NOW
6 PM · 18:005:30 AM · 05:30 (next day)NOT NOW
7 PM · 19:006:30 AM · 06:30 (next day)NOT NOW
8 PM · 20:007:30 AM · 07:30 (next day)MAYBE
9 PM · 21:008:30 AM · 08:30 (next day)MAYBE
10 PM · 22:009:30 AM · 09:30 (next day)PING
11 PM · 23:0010:30 AM · 10:30 (next day)PING

Cities on CST

America/Chicago
ChicagoHoustonSan AntonioDallasFort WorthAustin

Cities on IST

Asia/Kolkata
MumbaiDelhiBangaloreHyderabadAhmedabadChennai

Other conversions

All converters
IST → CSTCST → ESTCST → EDTCST → PSTCST → PDTCST → MSTCST → GMTCST → UTCCST → BSTCST → CETCST → JST

Questions

What is the time difference between CST and IST?

IST (India Standard Time) is 11 hours 30 minutes ahead of CST (Central Standard Time) right now: UTC−6 versus UTC+5:30.

What is 9 AM CST in IST?

9:00 AM CST is 8:30 PM IST.

What is 5 PM CST in IST?

5:00 PM CST is 4:30 AM IST (next day).

Does daylight saving change the CST–IST difference?

Chicago switches between CST and CDT; next change Sunday, 14 March 2027 (UTC−6 → UTC−5). IST has no daylight saving; it stays UTC+5:30 all year.