HST to CST/CDT time converter
CST/CDT is 5 hours ahead of HST. When it is 9:00 AM in HST, it is 2:00 PM in CST/CDT.
Finding your time zone…
12:12 PM in HST, Friday, October 16, 2026
Shared working hours (9:00–18:00)
HST to CST/CDT conversion table
Every hour of today in HST and the matching time in CST/CDT. Light rows are typical working hours (9:00–18:00).
| HST | CST/CDT |
|---|---|
| 12:00 AM | 5:00 AM |
| 1:00 AM | 6:00 AM |
| 2:00 AM | 7:00 AM |
| 3:00 AM | 8:00 AM |
| 4:00 AM | 9:00 AM |
| 5:00 AM | 10:00 AM |
| 6:00 AM | 11:00 AM |
| 7:00 AM | 12:00 PM |
| 8:00 AM | 1:00 PM |
| 9:00 AM | 2:00 PM |
| 10:00 AM | 3:00 PM |
| 11:00 AM | 4:00 PM |
| 12:00 PM | 5:00 PM |
| 1:00 PM | 6:00 PM |
| 2:00 PM | 7:00 PM |
| 3:00 PM | 8:00 PM |
| 4:00 PM | 9:00 PM |
| 5:00 PM | 10:00 PM |
| 6:00 PM | 11:00 PM |
| 7:00 PM | 12:00 AM+1 day |
| 8:00 PM | 1:00 AM+1 day |
| 9:00 PM | 2:00 AM+1 day |
| 10:00 PM | 3:00 AM+1 day |
| 11:00 PM | 4:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 1:00 PM in HST (2:00 PM – 6:00 PM in CST/CDT).
Daylight saving time and the difference
The difference changes during the year because HST and CST/CDT switch clocks on different dates:
- Oct 16, 2026 – Oct 31, 2026: +5h
- Oct 31, 2026 – Mar 13, 2027: +4h
- Mar 13, 2027 – Oct 16, 2027: +5h
More conversions
Questions and answers
What is the time difference between HST and CST/CDT?
CST/CDT is 5 hours ahead of HST.
What time is it in CST/CDT when it is 9 AM in HST?
When it is 9:00 AM in HST, it is 2:00 PM in CST/CDT.
When is the best time to call CST/CDT from HST?
Both sides are at work from 9:00 AM – 1:00 PM in HST (2:00 PM – 6:00 PM in CST/CDT).
Does the time difference between HST 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.