HST to AEDT Converter
Hawaii to eastern Australia — INDOPACOM Pacific coordination, maritime, and aviation (Qantas transpacific routing).
Time Zone Converter
Compare Times
| HST | AEDT |
|---|---|
| 8:00 AM HST | 5:00 AM AEDT |
| 9:00 AM HST | 6:00 AM AEDT |
| 10:00 AM HST | 7:00 AM AEDT |
| 11:00 AM HST | 8:00 AM AEDT |
| 12:00 PM HST | 9:00 AM AEDT |
| 1:00 PM HST | 10:00 AM AEDT |
| 2:00 PM HST | 11:00 AM AEDT |
| 3:00 PM HST | 12:00 PM AEDT |
| 4:00 PM HST | 1:00 PM AEDT |
| 5:00 PM HST | 2:00 PM AEDT |
| 6:00 PM HST | 3:00 PM AEDT |
| 7:00 PM HST | 4:00 PM AEDT |
| 8:00 PM HST | 5:00 PM AEDT |
Common Time Conversions
EST · New York →
CST · Chicago →
MST · Denver →
PST · Los Angeles →
AKST · Anchorage →
HST · Honolulu →
UTC · Universal →
GMT · London →
IST · New Delhi →
CET · Paris →
How Time Zone Conversion Works
Time zone conversion works by comparing the UTC offset of one location to another. Every city or region is measured relative to Coordinated Universal Time (UTC), which acts as the global reference point for civil time.
AEDT is 21 hours ahead of HST (standard time).
Daylight Saving Time: AEDT observes DST; HST does not. The offset between them shifts by 1 hour twice a year — in spring and autumn — when AEDT changes its clocks.
Best Meeting Times: HST & AEDT
HST
07:00–08:00
Hawaii Time
AEDT
04:00–05:00
Eastern Australia Daylight Time
Recommended time: 07:00 HST / 04:00 AEDT
DST schedule for 2026
Current-year daylight saving start and end dates for the selected zones.
HST · Hawaii Time
Standard offset −10:00
Hawaii Time remains on a constant standard offset for the year.
Hawaii does not observe DST. The Aleutian Islands portion of HAST does observe DST (becoming HADT, UTC−9), but population there is negligible. For practical purposes HST is a fixed-offset zone.
AEDT · Eastern Australia Daylight Time
Standard offset +11:00
- Starts
- Oct 4, 2026 · 02:00 → 03:00
- first_sunday_of_october
- Ends
- Apr 5, 2026 · 03:00 → 02:00
- first_sunday_of_april
- Daylight time
- AEDT · +11:00
AEDT is the daylight-saving designation used in southeastern Australia; Queensland remains on AEST (UTC+10) year-round and is not represented by this code. Two Australian territories have unusual DST offsets: Lord Howe Island (NSW) uses UTC+10:30 in winter and UTC+11 in summer — the only jurisdiction in the world with a 30-minute DST shift; Norfolk Island uses UTC+11 in winter and UTC+12 in summer, following the same transition dates as eastern states.
Principal Cities
HST — Hawaii Time
- HonoluluUnited States
- Pearl CityUnited States
- HiloUnited States
- KailuaUnited States
AEDT — Eastern Australia Daylight Time
- SydneyAustralia
- MelbourneAustralia
- CanberraAustralia
- HobartAustralia
Flight Information
Route
HNL ↔ SYD
Avg. flight time
11h
Direct flights
Available
~11h direct flight.