Where the Australia/Adelaide time zone is used
Countries: 🇦🇺 Australia.
Area covered: South Australia.
Also known in software as: Australia/South.
Largest cities on Australia/Adelaide
AdelaideSouth Australia
Adelaide HillsSouth Australia
Mount GambierSouth Australia
Mount BarkerSouth Australia
WhyallaSouth Australia
GawlerSouth Australia
ProspectSouth Australia
Murray BridgeSouth Australia
Port PirieSouth Australia
Port LincolnSouth Australia
Port AugustaSouth Australia
Happy ValleySouth Australia
Australia/Adelaide time zone
Australian Central Time
Australian Central Standard Time (ACST)
IANA: Australia/Adelaide · UTC+9:30
Daylight saving time in Australia/Adelaide
Not in effect now
Next change: Sun 4 Oct, clocks go forward 1 hour (02:00 → 03:00)
Sunrise and sunset in Australia/Adelaide today
Sunrise 05:51 · Sunset 18:18
Daylight 12h 26m · Solar noon 12:04
Time in Australia/Adelaide vs major world cities
| City | Local time | Difference from Australia/Adelaide |
|---|
| New York | Thu | 13.5 hours behind |
| Los Angeles | Thu | 16.5 hours behind |
| London | Thu | 8.5 hours behind |
| Paris | Thu | 7.5 hours behind |
| Dubai | Thu | 5.5 hours behind |
| Mumbai | Thu | 4 hours behind |
| Singapore | Fri | 1.5 hours behind |
| Tokyo | Fri | 0.5 hours behind |
| Sydney | Fri | 0.5 hours ahead |
| Johannesburg | Thu | 7.5 hours behind |
| São Paulo | Thu | 12.5 hours behind |
| Chicago | Thu | 14.5 hours behind |
What time zone is Australia/Adelaide in?
Australia/Adelaide is on Australian Central Time (ACST, UTC+9:30). The IANA identifier is Australia/Adelaide.
Does Australia/Adelaide observe daylight saving time?
Yes. Australia/Adelaide is on standard time now. The next changes:
- Sunday 4 October 2026: clocks go forward at 02:00 to 03:00 (ACST → ACDT)
- Sunday 4 April 2027: clocks go back at 03:00 to 02:00 (ACDT → ACST)
- Sunday 3 October 2027: clocks go forward at 02:00 to 03:00 (ACST → ACDT)
Australia/Adelaide in software and databases
Older software may still use Australia/South; these are aliases of Australia/Adelaide and give identical times.
Standard offset UTC+9:30, daylight saving offset UTC+10:30 (as of 2026).
October 2026 calendar for Australia/Adelaide
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|
| | | 1 | 2 | 3 | 4 |
| 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| 26 | 27 | 28 | 29 | 30 | 31 | |
Frequently asked questions about Australia/Adelaide
What time zone is Australia/Adelaide in?
Australian Central Time (ACST), UTC+9:30; IANA zone Australia/Adelaide.
When do the clocks change in Australia/Adelaide?
Next on Sunday 4 October 2026, when clocks go forward from 02:00 to 03:00.