From
ACST / ACDT
Time Converter
ACST to AST Time Converter
Convert Australian Central Time to Atlantic Time with a live clock and clean permalinks.
To
AST / ADT
When it is 7:30 AM in Australian Central Time, it is 6:00 PM in Atlantic Time.
ACST to AST at a glance
Atlantic Time is 13 hours 30 minutes behind Australian Central Time. If someone gives you a time in Australian Central Time, move the clock by 13 hours 30 minutes to read it in Atlantic Time. A 9:00 AM start in Adelaide becomes 7:30 PM in Halifax.
What Australian Central Time covers
Australian Central Time is used in Adelaide and surrounding regions, with a half-hour offset from many nearby markets. It matters when your schedule includes South Australia or mixed national coverage across Australia.
What Atlantic Time covers
Atlantic Time is used in eastern Canada and parts of the Caribbean. Halifax is a common city reference for it. It matters when scheduling across North America and island markets farther east.
Quick answers
What is the time difference between ACST and AST?
Atlantic Time is 13 hours 30 minutes behind Australian Central Time.
What happens to a 3:00 PM meeting in ACST?
It lands at 1:30 AM in AST.
Does daylight saving time matter for ACST to AST?
Australian Central Time and Atlantic Time are shown using the offsets that are active right now, so the result already reflects any daylight saving change in effect today.