HST to SAST Converter
SAST is 12 hours ahead of HST. 9:00 AM HST = 9:00 PM SAST.
SAST is 12 hours ahead of HST. To convert HST to SAST, add 12 hours to the HST time: 9:00 AM HST = 9:00 PM SAST.
HST (Hawaii-Aleutian Time) is used in Hawaii (all year, no daylight saving time). SAST (South Africa Time) is used in South Africa, Lesotho, Eswatini.
HST to SAST time conversion table
HST to SAST on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| HST | SAST | Day |
|---|---|---|
| 12:00 AM HST | 12:00 PM SAST | — |
| 1:00 AM HST | 1:00 PM SAST | — |
| 2:00 AM HST | 2:00 PM SAST | — |
| 3:00 AM HST | 3:00 PM SAST | — |
| 4:00 AM HST | 4:00 PM SAST | — |
| 5:00 AM HST | 5:00 PM SAST | — |
| 6:00 AM HST | 6:00 PM SAST | — |
| 7:00 AM HST | 7:00 PM SAST | — |
| 8:00 AM HST | 8:00 PM SAST | — |
| 9:00 AM HST | 9:00 PM SAST | — |
| 10:00 AM HST | 10:00 PM SAST | night |
| 11:00 AM HST | 11:00 PM SAST | night |
| 12:00 PM HST | 12:00 AM SAST | next day |
| 1:00 PM HST | 1:00 AM SAST | next day |
| 2:00 PM HST | 2:00 AM SAST | next day |
| 3:00 PM HST | 3:00 AM SAST | next day |
| 4:00 PM HST | 4:00 AM SAST | next day |
| 5:00 PM HST | 5:00 AM SAST | next day |
| 6:00 PM HST | 6:00 AM SAST | next day |
| 7:00 PM HST | 7:00 AM SAST | next day |
| 8:00 PM HST | 8:00 AM SAST | next day |
| 9:00 PM HST | 9:00 AM SAST | next day |
| 10:00 PM HST | 10:00 AM SAST | next day |
| 11:00 PM HST | 11:00 AM SAST | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert HST to SAST
Add 12 hours to the HST time to get SAST.
Example: 9:00 AM HST = 9:00 PM SAST.
Across midnight: 10:00 PM HST = 10:00 AM SAST (next day). The date changes, so always check the day as well as the hour.
Time difference between HST and SAST
The time difference between HST and SAST is 12 hours all year – SAST is ahead of HST.
HST and SAST during daylight saving time
- HST does not observe daylight saving time; it stays on UTC−10 all year.
- SAST does not observe daylight saving time; it stays on UTC+2 all year.
Best time for a meeting between HST and SAST
HST and SAST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM HST, which is 7:00 PM SAST.
HST to SAST FAQ
What is the time difference between HST and SAST?
SAST is 12 hours ahead of HST all year. 9:00 AM HST = 9:00 PM SAST.
What is 9 AM HST in SAST?
9:00 AM HST is 9:00 PM SAST.
What is 12 PM (noon) HST in SAST?
12:00 PM HST is 12:00 AM SAST (next day).
Is SAST ahead of or behind HST?
SAST is 12 hours ahead of HST, so it is later in SAST 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 SAST change for daylight saving time?
No. SAST 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 SAST?
HST and SAST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM HST, which is 7:00 PM SAST.
Related conversions
Convert SAST to HST
Convert HST to other time zones
Convert other time zones to SAST
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.