ACDT – Australian Central Daylight Time / Central Daylight Time (Daylight Saving Time)
Also known as: CDT – Central Daylight Time, CDST – Central Daylight Savings Time
Australia: ACDT is currently not observed because locations are on standard time and are observing ACST.
Australian Central Daylight Time (ACDT) is 10:30 hours ahead of Coordinated Universal Time. This time zone is a Daylight Saving Time time zone and is used in: Australia. Australian Central Daylight Time is a half-hour time zone. Its local time differs by 30 minutes instead of the normal whole hour.
This time zone is often called Australia Central Daylight Time.
Winter Time & DST
This time zone is a daylight saving/summer time zone, in the winter some places will switch to the corresponding standard time zone: ACST (Australian Central Standard Time).
Email time zone indicator: +1030
An email sent from someone in the Australian Central Daylight Time (ACDT) time zone will have the time zone listed as "+1030" in the headers of the email. (However, "+1030" does not have to be in Australian Central Daylight Time, as other time zones could have the same UTC offset).
Where and when is ACDT observed?
Australian states/territories using ACDT in the summer and ACST in the winter
- New South Wales - only in Yancowinna County
- South Australia
Other time zones in UTC +10:30
Some time zones exist that have the same offset as ACDT, but can be found under a different name:
Time zones by continent/region
- Central America
- Indian Ocean
- North America
- Other time standards
- South America
No locations currently on ACDT
Find current time and time zone by city
Australia – Adelaide (Summer)
Related time zones
ACST – Australian Central Standard Time (Standard Time)