ACST to AEDT Converter
Adelaide to eastern states — 1.5-hour gap (ACST UTC+9:30, AEDT UTC+11). Domestic Australian long-haul.
Time Zone Converter
Compare Times
| ACST | AEDT |
|---|---|
| 8:00 AM ACST | 9:30 AM AEDT |
| 9:00 AM ACST | 10:30 AM AEDT |
| 10:00 AM ACST | 11:30 AM AEDT |
| 11:00 AM ACST | 12:30 PM AEDT |
| 12:00 PM ACST | 1:30 PM AEDT |
| 1:00 PM ACST | 2:30 PM AEDT |
| 2:00 PM ACST | 3:30 PM AEDT |
| 3:00 PM ACST | 4:30 PM AEDT |
| 4:00 PM ACST | 5:30 PM AEDT |
| 5:00 PM ACST | 6:30 PM AEDT |
| 6:00 PM ACST | 7:30 PM AEDT |
| 7:00 PM ACST | 8:30 PM AEDT |
| 8:00 PM ACST | 9:30 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 1 hour 30 minutes ahead of ACST (standard time).
Daylight Saving Time: ACST observes DST; AEDT does not. The offset between them shifts by 1 hour twice a year — in spring and autumn — when ACST changes its clocks.
Best Meeting Times: ACST & AEDT
ACST
09:00–15:30
Central Australia Time
AEDT
10:30–17:00
Eastern Australia Daylight Time
Recommended time: 12:30 ACST / 14:00 AEDT
DST schedule for 2026
Current-year daylight saving start and end dates for the selected zones.
ACST · Central Australia Time
Standard offset +09:30
- 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
- ACDT · +10:30
South Australia observes DST (ACDT, UTC+10:30); the Northern Territory remains on ACST year-round. SA has used the same Sunday transition dates as the eastern states since the 2008/09 DST season — older sources stating SA changes one week later are out of date.
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
ACST — Central Australia Time
- AdelaideAustralia
- DarwinAustralia
- Alice SpringsAustralia
- PalmerstonAustralia
AEDT — Eastern Australia Daylight Time
- SydneyAustralia
- MelbourneAustralia
- CanberraAustralia
- HobartAustralia
Flight Information
Route
ADL ↔ SYD
Avg. flight time
2h 30m
Direct flights
Available
~2h 30m direct flight.