Australian Central Standard Time (ACST)
Australian Central Standard Time (ACST) is UTC+9:30, 9 hours 30 minutes ahead of UTC. Adelaide switches to Australian Central Daylight Time (ACDT, UTC+10:30) for summer (in effect now, until Sun, Apr 4, 2027). Darwin stays on ACST all year.
Right now in Adelaide
6:48 AM
Sun, Oct 18 · ACDT (UTC+10:30)
Cities on Australian Central Standard Time
Frequently asked questions about ACST
- What is ACST (Australian Central Standard Time)?
- Australian Central Standard Time (ACST) is UTC+9:30, 9 hours 30 minutes ahead of UTC. Adelaide switches to Australian Central Daylight Time (ACDT, UTC+10:30) for summer (in effect now, until Sun, Apr 4, 2027). Darwin stays on ACST all year.
- Which cities use Australian Central Standard Time?
- Cities on Australian Central Standard Time include Adelaide (Australia) and Darwin (Australia).
- Does Australian Central Standard Time change for daylight saving time?
- In some places. Adelaide switches to Australian Central Daylight Time (ACDT, UTC+10:30) for summer (in effect now, until Sun, Apr 4, 2027). Darwin stays on ACST all year. In Adelaide, clocks go back 1 hour on Sun, Apr 4, 2027, to ACST (UTC+9:30).
- What is the time difference between ACST and UTC?
- ACST is 9 hours 30 minutes ahead of UTC (UTC+9:30). In summer, places that change their clocks are 10 hours 30 minutes ahead of UTC.