Tuesday, October 13, 2026
Australian Central Daylight Time (ACDT)
UTC Offset
UTC+10:30
Standard: UTC+09:30
Daylight Saving Time
DST Active
ACST / ACDT
Next Clock Change
Apr 3, 2027
Clocks back
Region
Australia
1 major cities
Major Cities Using ACDT
About Australian Central Daylight Time
Australian Central Daylight Time (ACDT) is a time zone that is ahead of Coordinated Universal Time (UTC) by 10:30 hours. During standard time, the offset changes to UTC+09:30.
Major cities using this timezone include Adelaide. These cities follow Australian Central for their local time, making it easy to coordinate meetings and communications across the region.
Australian Central Daylight Time observes Daylight Saving Time (DST). The next clock change will occur on Saturday, April 3, 2027, when clocks will fall back (move behind) by one hour.
Frequently Asked Questions
Related Time Tools
About Australian Central Daylight Time (ACST)
Australian Central Daylight Time (ACST) is a time zone with a UTC offset of +10:30. The IANA identifier is Australia/Adelaide. Live time displayed here updates every second and accounts for any active Daylight Saving Time.
Use the converter above to translate ACST times into your local clock, or jump to one of the popular pair conversions below to see ACST relative to other major timezones.
Right now Australia/Adelaide is UTC+10:30 (daylight saving active). Standard-time offset: UTC+09:30.
Next DST change: Sunday, April 4, 2027 — clocks fall back from +10:30 to +09:30. Currently on daylight saving time (UTC+10:30).
Major Cities Using ACST
These cities observe Australian Central Daylight Time either year-round or as their standard non-DST baseline.
Popular ACST Time Conversions
Frequently searched conversions involving ACST. Each link opens the live converter pre-filled.