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HST to CST-CN Converter

CST-CN is 18 hours ahead of HST

Current HST Time
--:--:-- --
Pacific/Honolulu
Current CST-CN Time
--:--:-- --
Asia/Shanghai
Time Diff
18h ahead
HST
UTC-10
CST-CN
UTC+8

HST to CST-CN Conversion Table

Green rows indicate standard business hours (9 AM – 5 PM) in CST-CN

HST to CST-CN time conversion table showing all 24 hours
HST CST-CN
12:00 AM 6:00 PM
1:00 AM 7:00 PM
2:00 AM 8:00 PM
3:00 AM 9:00 PM
4:00 AM 10:00 PM
5:00 AM 11:00 PM
6:00 AM 12:00 AM +1d
7:00 AM 1:00 AM +1d
8:00 AM 2:00 AM +1d
9:00 AM 3:00 AM +1d
10:00 AM 4:00 AM +1d
11:00 AM 5:00 AM +1d
12:00 PM 6:00 AM +1d
1:00 PM 7:00 AM +1d
2:00 PM 8:00 AM +1d
3:00 PM 9:00 AM +1d
4:00 PM 10:00 AM +1d
5:00 PM 11:00 AM +1d
6:00 PM 12:00 PM +1d
7:00 PM 1:00 PM +1d
8:00 PM 2:00 PM +1d
9:00 PM 3:00 PM +1d
10:00 PM 4:00 PM +1d
11:00 PM 5:00 PM +1d

Converting Hawaii Standard Time to China Standard Time

Hawaii Standard Time (HST) and China Standard Time (CST-CN) are separated by a 18 hours time difference. CST-CN is 18 hours ahead of HST. HST is UTC-10, used in United States, while CST-CN is UTC+8, used in China.

When converting from HST to CST-CN, the key reference points to remember are: 9:00 AM HST equals 3:00 AM CST-CN, 12:00 PM noon HST equals 6:00 AM CST-CN, and 5:00 PM HST equals 11:00 AM CST-CN. The conversion table above shows every hour of the day mapped between these two time zones.

Scheduling Across HST and CST-CN

For professionals scheduling meetings between HST and CST-CN, finding overlapping business hours is essential. Standard business hours are typically 9:00 AM to 5:00 PM in each time zone. Given the 18 hours difference, the window of overlap may be limited, making early morning or late evening calls necessary for one party. Use the highlighted working hours in the conversion table above to quickly identify suitable meeting times.

Daylight Saving Time Considerations

HST does not observe Daylight Saving Time, maintaining UTC-10 year-round. CST-CN does not observe DST, staying at UTC+8 year-round.

Frequently Asked Questions

What is the time difference between HST and CST-CN?
China Standard Time (CST-CN) is 18 hours ahead of Hawaii Standard Time (HST). When it is 12:00 PM noon in HST, it is 6:00 AM in CST-CN.
How do I convert HST to CST-CN?
To convert HST to CST-CN, add 18 hours to the HST time. For example, 9:00 AM HST is 3:00 AM CST-CN. Use the conversion table above for a quick reference of all 24 hours.
Does HST or CST-CN observe Daylight Saving Time?
HST does not observe Daylight Saving Time. CST-CN does not observe Daylight Saving Time. During DST transitions, the time difference between these zones may change by 1 hour.
What is the best time to schedule a call between HST and CST-CN?
The best time to schedule a call between HST and CST-CN is during overlapping business hours. If you are in HST, try scheduling between 9:00 AM and 5:00 PM your time, then check the conversion table above to see what that corresponds to in CST-CN.
Is HST ahead or behind CST-CN?
HST (UTC-10) is 18 hours behind CST-CN (UTC+8). HST corresponds to the IANA time zone Pacific/Honolulu, while CST-CN corresponds to Asia/Shanghai.

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