HST to CST time converter

CST is 18 hours ahead of HST. When it is 9:00 AM in HST, it is 3:00 AM (Sat, Oct 17) in CST.

HST UTC-10

Friday, October 16, 2026

CST UTC+8

Saturday, October 17, 2026

HST
Hawaii-Aleutian Standard Time
Fri, Oct 16
UTC-10
CST
China Standard Time
Sat, Oct 17
UTC+8+18h
Finding your time zone…
Shared working hours (9:00–18:00)

HST to CST conversion table

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

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

Best time to call or meet

Both sides are at work from 3:00 PM – 6:00 PM in HST (9:00 AM – 12:00 PM in CST).

Daylight saving time and the difference

The difference stays 18 hours all year.

More conversions

CST (China) to HSTHST to UTCHST to GMTHST to ESTHST to CSTHST to MSTHST to PSTHST to CETHST to MSKHST to GSTHST to PKTHST to ISTHST 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 HST and CST?

CST is 18 hours ahead of HST.

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

When it is 9:00 AM in HST, it is 3:00 AM (Sat, Oct 17) in CST.

When is the best time to call CST from HST?

Both sides are at work from 3:00 PM – 6:00 PM in HST (9:00 AM – 12:00 PM in CST).

Does the time difference between HST and CST change?

No. The difference stays 18 hours all year.