HST to CST Converter
CST is 4 hours ahead of HST. 9:00 AM HST = 1:00 PM CST.
CST is 4 hours ahead of HST at the moment. To convert HST to CST, add 4 hours to the HST time: 9:00 AM HST = 1:00 PM CST.
HST (Hawaii-Aleutian Time) is used in Hawaii (all year, no daylight saving time). CST (Central Time) is used in Chicago, Dallas, Houston, Minneapolis, New Orleans, Winnipeg; Mexico City and Central America use UTC−6 all year.
CST here means North American Central Standard Time, not China Standard Time.
HST to CST time conversion table
HST to CST on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| HST | CST |
|---|---|
| 12:00 AM | 4:00 AM |
| 1:00 AM | 5:00 AM |
| 2:00 AM | 6:00 AM |
| 3:00 AM | 7:00 AM |
| 4:00 AM | 8:00 AM |
| 5:00 AM | 9:00 AM |
| 6:00 AM | 10:00 AM |
| 7:00 AM | 11:00 AM |
| HST | CST |
|---|---|
| 8:00 AM | 12:00 PM |
| 9:00 AM | 1:00 PM |
| 10:00 AM | 2:00 PM |
| 11:00 AM | 3:00 PM |
| 12:00 PM | 4:00 PM |
| 1:00 PM | 5:00 PM |
| 2:00 PM | 6:00 PM |
| 3:00 PM | 7:00 PM |
| HST | CST |
|---|---|
| 4:00 PM | 8:00 PM |
| 5:00 PM | 9:00 PM |
| 6:00 PM | 10:00 PM |
| 7:00 PM | 11:00 PM |
| 8:00 PM | 12:00 AM+1 |
| 9:00 PM | 1:00 AM+1 |
| 10:00 PM | 2:00 AM+1 |
| 11:00 PM | 3:00 AM+1 |
Conversion table from HST to CST for 6 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in CST, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert HST to CST
Add 4 hours to the HST time to get CST.
Example: 9:00 AM HST = 1:00 PM CST.
Across midnight: 10:00 PM HST = 2:00 AM CST (next day). The date changes, so always check the day as well as the hour.
Time difference between HST and CST
The time difference between HST and CST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 31 Dec 2025 – 6 Mar 2026: CST is 4 hours ahead of HST.
- 7 Mar 2026 – 30 Oct 2026: CST is 5 hours ahead of HST.
- 31 Oct 2026 – 30 Dec 2026: CST is 4 hours ahead of HST.
HST and CST during daylight saving time
- HST does not observe daylight saving time; it stays on UTC−10 all year.
- CST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from CST (UTC−6) to CDT (UTC−5).
Best time for a meeting between HST and CST
HST and CST share 4 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 1:00 PM HST lands between 1:00 PM and 5:00 PM CST, inside working hours for both.
HST to CST FAQ
What is the time difference between HST and CST?
Right now CST is 4 hours ahead of HST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM HST in CST?
9:00 AM HST is 1:00 PM CST.
What is 12 PM (noon) HST in CST?
12:00 PM HST is 4:00 PM CST.
Is CST ahead of or behind HST?
CST is 4 hours ahead of HST, so it is later in CST than in HST.
Does HST change for daylight saving time?
No. HST stays on the same offset all year, so conversions never shift for daylight saving time.
Does CST change for daylight saving time?
Yes. CST next changes on 14 Mar 2027, when clocks go forward one hour from CST to CDT.
What is the best time for a meeting between HST and CST?
HST and CST share 4 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 1:00 PM HST lands between 1:00 PM and 5:00 PM CST, inside working hours for both.
Is CT the same as CST?
CST is the winter (standard) name of Central Time (CT). From March to November the same clocks are called CDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert CST to HST
Convert HST to other time zones
Convert other time zones to CST
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.