UTC to ACST Converter
global technical reference to central Australia — a 9.5-hour gap with seasonal variation due to daylight saving. Coordination typically centers on trade, investment, and remote team management.
Time Zone Converter
Compare Times
| UTC | ACST |
|---|
Morning
| UTC | ACST |
|---|---|
| 12:00 AM UTC | 9:30 AM ACST |
| 1:00 AM UTC | 10:30 AM ACST |
| 2:00 AM UTC | 11:30 AM ACST |
| 3:00 AM UTC | 12:30 PM ACST |
| 4:00 AM UTC | 1:30 PM ACST |
| 5:00 AM UTC | 2:30 PM ACST |
| 6:00 AM UTC | 3:30 PM ACST |
| 7:00 AM UTC | 4:30 PM ACST |
| 8:00 AM UTC | 5:30 PM ACST |
| 9:00 AM UTC | 6:30 PM ACST |
| 10:00 AM UTC | 7:30 PM ACST |
| 11:00 AM UTC | 8:30 PM ACST |
Afternoon
| UTC | ACST |
|---|---|
| 12:00 PM UTC | 9:30 PM ACST |
| 1:00 PM UTC | 10:30 PM ACST |
| 2:00 PM UTC | 11:30 PM ACST |
| 3:00 PM UTC | 12:30 AM ACST |
| 4:00 PM UTC | 1:30 AM ACST |
Evening
| UTC | ACST |
|---|---|
| 5:00 PM UTC | 2:30 AM ACST |
| 6:00 PM UTC | 3:30 AM ACST |
| 7:00 PM UTC | 4:30 AM ACST |
| 8:00 PM UTC | 5:30 AM ACST |
| 9:00 PM UTC | 6:30 AM ACST |
| 10:00 PM UTC | 7:30 AM ACST |
| 11:00 PM UTC | 8:30 AM ACST |
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.
ACST is 9 hours 30 minutes ahead of UTC (standard time).
Daylight Saving Time: ACST observes DST; UTC 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: UTC & ACST
UTC
07:30–08:30
Universal Time
ACST
17:00–18:00
Central Australia Time
Recommended time: 07:30 UTC / 17:00 ACST
DST schedule for 2026
Current-year daylight saving start and end dates for the selected zones.
UTC · Universal Time
Standard offset +00:00
Universal Time remains on a constant standard offset for the year.
UTC is the global reference time standard. By definition, it does not observe daylight saving.
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.
Principal Cities
UTC — Universal Time
- LondonUnited Kingdom
- AccraGhana
- DakarSenegal
- ReykjavikIceland
ACST — Central Australia Time
- AdelaideAustralia
- DarwinAustralia
- Alice SpringsAustralia
- PalmerstonAustralia
Flight Information
Route
LHR ↔ ADL
Avg. flight time
21h
Direct flights
Not available
~21h with stopover.