IST to CST time converter

CST is 7 hours ahead of IST. When it is 9:00 AM in IST, it is 4:00 PM in CST.

IST UTC+1

Friday, October 16, 2026

CST UTC+8

Saturday, October 17, 2026

IST
Irish Standard Time
Fri, Oct 16
UTC+1
CST
China Standard Time
Sat, Oct 17
UTC+8+7h
Finding your time zone…
Shared working hours (9:00–18:00)

IST to CST conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 11:00 AM in IST (4:00 PM – 6:00 PM in CST).

Daylight saving time and the difference

The difference stays 7 hours all year.

More conversions

CST (China) to IST (Ireland)IST (Ireland) to UTCIST (Ireland) to GMTIST (Ireland) to ESTIST (Ireland) to CSTIST (Ireland) to MSTIST (Ireland) to PSTIST (Ireland) to CETIST (Ireland) to MSKIST (Ireland) to GSTIST (Ireland) to PKTIST (Ireland) to ISTIST (Ireland) to SGT
UTC to CST (China)GMT to CST (China)EST to CST (China)CST to CST (China)MST to CST (China)PST to CST (China)CET to CST (China)MSK to CST (China)GST to CST (China)PKT to CST (China)IST to CST (China)SGT to CST (China)

Questions and answers

What is the time difference between IST and CST?

CST is 7 hours ahead of IST.

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

When it is 9:00 AM in IST, it is 4:00 PM in CST.

When is the best time to call CST from IST?

Both sides are at work from 9:00 AM – 11:00 AM in IST (4:00 PM – 6:00 PM in CST).

Does the time difference between IST and CST change?

No. The difference stays 7 hours all year.