ACST/ACDT: Australian Central Time

Australian Central Time, UTC+10:30 right now. Used in Adelaide; Darwin stays on ACST. Clocks go back 1 hour on Sun, Apr 4, 2027.

ACST · Australian Central Time

ACDT

Tuesday, October 27, 2026

UTC+10:30

Abbreviation
ACST/ACDT
Full name
Australian Central Time
UTC offset now
UTC+10:30
Standard time
UTC+9:30
Daylight time
UTC+10:30
Daylight saving
Yes
Reference zone
Australia/Adelaide
Where
Adelaide; Darwin stays on ACST

Daylight saving time in ACST

  • DST started

    Sun, Oct 4, 2026

    Clocks went forward 1 hour

  • DST ends

    Sun, Apr 4, 2027

    Clocks go back 1 hour

  • Winter

    UTC+9:30

    ACST

  • Summer

    UTC+10:30

    ACDT

ACST is the standard time; in summer the zone is on ACDT, UTC+10:30. Clocks go back 1 hour on Sun, Apr 4, 2027.

Convert ACST to another time zone Plan a meeting in ACST

Countries and cities on ACST

Where Australian Central Time is kept, with each country's largest cities in the zone. Open a city for its clock, sunrise and sunset, and the time difference to the rest of the world.

Countries using ACST
CityLocal timeCompared to ACST
AustraliaAdelaide, Darwin, Adelaide HillsTue 7:30 PMSame time

Frequently asked questions

Other time zones

All time zone abbreviations

Place data from GeoNames (CC BY 4.0). Times follow the IANA time zone database; sunrise and sunset are computed for the city's coordinates.