HST: Hawaii-Aleutian Standard Time
Hawaii-Aleutian Standard Time (HST). Hawaii, which stays on UTC−10 all year and does not observe daylight saving time.
No clock change is scheduled; the offset stays the same all year.
HST to AEST: Hawaii-Aleutian Standard Time to Australian Eastern Time
21 hours ahead of HST
AEST compared with HST, right now. Swap: AEST to HST ⇄
Australian Eastern Time is on AEDT now, so the clocks above show daylight time. Using strict standard time (HST UTC−10, AEST UTC+10), AEST is 20 hours ahead of HST.
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HST to AEST conversion table
For Tuesday, November 3, 2026. Rows where both places are inside 9 AM–5 PM are highlighted.
| HST | AEST |
|---|---|
| 12:00 AM | 9:00 PM |
| 1:00 AM | 10:00 PM |
| 2:00 AM | 11:00 PM |
| 3:00 AM | 12:00 AM (next day) |
| 4:00 AM | 1:00 AM (next day) |
| 5:00 AM | 2:00 AM (next day) |
| 6:00 AM | 3:00 AM (next day) |
| 7:00 AM | 4:00 AM (next day) |
| 8:00 AM | 5:00 AM (next day) |
| 9:00 AM | 6:00 AM (next day) |
| 10:00 AM | 7:00 AM (next day) |
| 11:00 AM | 8:00 AM (next day) |
| 12:00 PM | 9:00 AM (next day) |
| 1:00 PM | 10:00 AM (next day) |
| 2:00 PM | 11:00 AM (next day) |
| 3:00 PM | 12:00 PM (next day) |
| 4:00 PM | 1:00 PM (next day) |
| 5:00 PM | 2:00 PM (next day) |
| 6:00 PM | 3:00 PM (next day) |
| 7:00 PM | 4:00 PM (next day) |
| 8:00 PM | 5:00 PM (next day) |
| 9:00 PM | 6:00 PM (next day) |
| 10:00 PM | 7:00 PM (next day) |
| 11:00 PM | 8:00 PM (next day) |
About these time zones
AEST: Australian Eastern Daylight Time
Australian Eastern Time (AEST/AEDT). Sydney, Melbourne, Canberra and Hobart (with daylight saving from October to April) and Brisbane (without). AEST is UTC+10; AEDT is UTC+11.
Sunday, April 4, 2027: clocks go back 1 hour at 3:00 AM local time (UTC+11 → UTC+10).
Questions about HST and AEST time
What is the time difference between HST and AEST?
The current difference is shown at the top of this page. HST uses Hawaii-Aleutian Standard Time (HST, UTC−10) all year; AEST uses Australian Eastern Standard Time (AEST, UTC+10) as standard time and Australian Eastern Daylight Time (AEDT, UTC+11) during daylight saving time. The difference can change if only one side observes daylight saving time or if their clocks change on different dates. Choose your meeting date in the converter to check the applicable offset.
When it is 9:00 AM in HST, what time is it in AEST?
On Tuesday, November 3, 2026, 9:00 AM in HST was 6:00 AM (next day) in AEST. The conversion table above shows today’s values.
Do the clocks change in HST or AEST?
HST does not change its clocks. AEST: Sunday, April 4, 2027: clocks go back 1 hour at 3:00 AM local time (UTC+11 → UTC+10).
Is HST the same as HST?
Hawaii-Aleutian Standard Time does not use daylight saving time, so HST applies all year.
Related conversions
- HST to UTC
- HST to GMT
- HST to EST
- HST to CST
- HST to MST
- HST to PST
- HST to AKST
- HST to AST
- HST to BST
- HST to CET
- HST to EET
- HST to PKT
- HST to IST
- HST to SGT
- HST to PHT
- HST to JST
- HST to KST
- HST to NZST
- UTC to AEST
- GMT to AEST
- EST to AEST
- CST to AEST
- MST to AEST
- PST to AEST
- AKST to AEST
- AST to AEST
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