Australian Central Daylight Time (ACDT) is a daylight saving time zone that is UTC +10:30, meaning it is 10 hours and 30 minutes ahead of Coordinated Universal Time. It is used in South Australia during the summer months when clocks are set forward from ACST.
Current Time in ACDT
CURRENT ACDT TIME
00:00:00 ACDT
Quick Facts
- Time Standard: Australian Central Daylight Time (ACDT)
- Offset: UTC +10:30
- Daylight Saving Time: Yes (summer time)
- Used By: South Australia
- Also Known As: ACDT
Time Difference From ACDT
Australian Central Daylight Time is 10 hours and 30 minutes ahead of UTC.
Examples:
- New York: ACDT −15.5 hours (−14.5 during DST)
- London: ACDT +10.5 hours (or +9.5 during DST)
- Sydney: ACDT +0.5 hours
Daylight Saving Time
ACDT is the daylight saving time used in South Australia.
- Starts: First Sunday in October
- Ends: First Sunday in April
- Reverts to: ACST (UTC +9:30)
Best Time to Call
ACDT is ideal for coordinating between Australia, Asia, and parts of Europe.
For example:
10:00 ACDT may correspond to midday in eastern Australia and early morning in Asia.
Frequently Asked Questions
What does ACDT stand for?
ACDT stands for Australian Central Daylight Time.
Is ACDT the same as ACST?
No, ACDT is one hour ahead of ACST.
Which regions use ACDT?
South Australia uses ACDT during summer.
Where ACDT Is Used
Australian Central Daylight Time is used in:
- South Australia (Adelaide)



