Current time in ACST/ACDT (Australia/Adelaide)

What is Australia/Adelaide?

Australia/Adelaide is an IANA time zone identifier, which means it describes a real set of civil-time rules rather than just a fixed UTC offset. That distinction matters for scheduling: the offset shown today is UTC+09:30, but zones with seasonal clock changes can move by one hour when daylight saving starts or ends. Calendar apps, flight systems, and meeting schedulers should store Australia/Adelaide instead of a bare offset so future events follow the local rule.

Adelaide is the main curated city in this zone. The zone is most useful when you need to answer practical questions such as whether a colleague is inside business hours, how a release time appears locally, or which offset to use in a cron schedule. On Zeitful, ACST/ACDT (Australia/Adelaide) pages combine the live clock with city context and DST notes so you do not have to jump between a map, a converter, and a legal time-change table.

Australia is marked regional in the 2026 DST tracker. DST is state and territory based; New South Wales, Victoria, Tasmania, South Australia, the ACT, and related zones observe it, while others do not. For one-off conversions, today's offset is enough. For recurring meetings, payroll deadlines, transport bookings, or product launches, use the IANA zone name and let tzdata calculate each future date. That is the safest way to handle places where the January and July offsets differ.