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HST to HKT Converter

HKT is 18 hours ahead of HST

Current HST Time
--:--:-- --
Pacific/Honolulu
Current HKT Time
--:--:-- --
Asia/Hong_Kong
Time Diff
18h ahead
HST
UTC-10
HKT
UTC+8

HST to HKT Conversion Table

Green rows indicate standard business hours (9 AM – 5 PM) in HKT

HST to HKT time conversion table showing all 24 hours
HST HKT
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 Hong Kong Time

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

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

Scheduling Across HST and HKT

For professionals scheduling meetings between HST and HKT, 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. HKT does not observe DST, staying at UTC+8 year-round.

Frequently Asked Questions

What is the time difference between HST and HKT?
Hong Kong Time (HKT) is 18 hours ahead of Hawaii Standard Time (HST). When it is 12:00 PM noon in HST, it is 6:00 AM in HKT.
How do I convert HST to HKT?
To convert HST to HKT, add 18 hours to the HST time. For example, 9:00 AM HST is 3:00 AM HKT. Use the conversion table above for a quick reference of all 24 hours.
Does HST or HKT observe Daylight Saving Time?
HST does not observe Daylight Saving Time. HKT 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 HKT?
The best time to schedule a call between HST and HKT 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 HKT.
Is HST ahead or behind HKT?
HST (UTC-10) is 18 hours behind HKT (UTC+8). HST corresponds to the IANA time zone Pacific/Honolulu, while HKT corresponds to Asia/Hong_Kong.

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Time Zone Info