HST to China Time Converter
CST is 18 hours ahead of HST. 9:00 AM HST = 3:00 AM CST (next day).
CST is 18 hours ahead of HST. To convert HST to China Time, add 18 hours to the HST time: 9:00 AM HST = 3:00 AM CST (next day).
HST (Hawaii-Aleutian Time) is used in Hawaii (all year, no daylight saving time). China Time (China Time) is used in Mainland China and Taiwan (Beijing, Shanghai, Shenzhen, Taipei).
HST to China Time time conversion table
HST to China Time on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| HST | China Time | Day |
|---|---|---|
| 12:00 AM HST | 6:00 PM CST | — |
| 1:00 AM HST | 7:00 PM CST | — |
| 2:00 AM HST | 8:00 PM CST | — |
| 3:00 AM HST | 9:00 PM CST | — |
| 4:00 AM HST | 10:00 PM CST | night |
| 5:00 AM HST | 11:00 PM CST | night |
| 6:00 AM HST | 12:00 AM CST | next day |
| 7:00 AM HST | 1:00 AM CST | next day |
| 8:00 AM HST | 2:00 AM CST | next day |
| 9:00 AM HST | 3:00 AM CST | next day |
| 10:00 AM HST | 4:00 AM CST | next day |
| 11:00 AM HST | 5:00 AM CST | next day |
| 12:00 PM HST | 6:00 AM CST | next day |
| 1:00 PM HST | 7:00 AM CST | next day |
| 2:00 PM HST | 8:00 AM CST | next day |
| 3:00 PM HST | 9:00 AM CST | work hours |
| 4:00 PM HST | 10:00 AM CST | work hours |
| 5:00 PM HST | 11:00 AM CST | next day |
| 6:00 PM HST | 12:00 PM CST | next day |
| 7:00 PM HST | 1:00 PM CST | next day |
| 8:00 PM HST | 2:00 PM CST | next day |
| 9:00 PM HST | 3:00 PM CST | next day |
| 10:00 PM HST | 4:00 PM CST | next day |
| 11:00 PM HST | 5:00 PM CST | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert HST to China Time
Add 18 hours to the HST time to get China Time.
Example: 9:00 AM HST = 3:00 AM CST (next day).
Across midnight: 10:00 PM HST = 4:00 PM CST (next day). The date changes, so always check the day as well as the hour.
Time difference between HST and China Time
The time difference between HST and China Time is 18 hours all year – CST is ahead of HST.
HST and China Time during daylight saving time
- HST does not observe daylight saving time; it stays on UTC−10 all year.
- China Time does not observe daylight saving time; it stays on UTC+8 all year.
Best time for a meeting between HST and China Time
HST and China Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 1:00 PM HST, which is 7:00 AM CST.
HST to China Time FAQ
What is the time difference between HST and China Time?
CST is 18 hours ahead of HST all year. 9:00 AM HST = 3:00 AM CST (next day).
What is 9 AM HST in China Time?
9:00 AM HST is 3:00 AM CST (next day).
What is 12 PM (noon) HST in China Time?
12:00 PM HST is 6:00 AM CST (next day).
Is China Time ahead of or behind HST?
CST is 18 hours ahead of HST, so it is later in China Time 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 China Time change for daylight saving time?
No. China Time stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between HST and China Time?
HST and China Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 1:00 PM HST, which is 7:00 AM CST.
Related conversions
Convert China Time to HST
Convert HST to other time zones
Convert other time zones to China Time
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.