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HST to SAST Converter

SAST is 12 hours ahead of HST

Current HST Time
--:--:-- --
Pacific/Honolulu
Current SAST Time
--:--:-- --
Africa/Johannesburg
Time Diff
12h ahead
HST
UTC-10
SAST
UTC+2

HST to SAST Conversion Table

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

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

Converting Hawaii Standard Time to South Africa Standard Time

Hawaii Standard Time (HST) and South Africa Standard Time (SAST) are separated by a 12 hours time difference. SAST is 12 hours ahead of HST. HST is UTC-10, used in United States, while SAST is UTC+2, used in South Africa, Botswana, Lesotho.

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

Scheduling Across HST and SAST

For professionals scheduling meetings between HST and SAST, finding overlapping business hours is essential. Standard business hours are typically 9:00 AM to 5:00 PM in each time zone. Given the 12 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. SAST does not observe DST, staying at UTC+2 year-round.

Frequently Asked Questions

What is the time difference between HST and SAST?
South Africa Standard Time (SAST) is 12 hours ahead of Hawaii Standard Time (HST). When it is 12:00 PM noon in HST, it is 12:00 AM in SAST.
How do I convert HST to SAST?
To convert HST to SAST, add 12 hours to the HST time. For example, 9:00 AM HST is 9:00 PM SAST. Use the conversion table above for a quick reference of all 24 hours.
Does HST or SAST observe Daylight Saving Time?
HST does not observe Daylight Saving Time. SAST 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 SAST?
The best time to schedule a call between HST and SAST 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 SAST.
Is HST ahead or behind SAST?
HST (UTC-10) is 12 hours behind SAST (UTC+2). HST corresponds to the IANA time zone Pacific/Honolulu, while SAST corresponds to Africa/Johannesburg.

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Time Zone Info