From
Australian Western Time
Perth
Time Zone Converter
AWST to AST Time Zone Converter
Convert AWST to AST with a live clock, current time difference, UTC offsets, and work-hour overlap. AST is 11 hours behind AWST.
To
Atlantic Time
Halifax
When it is 7:30 AM in Australian Western Time, it is 8:30 PM in Atlantic Time.
AWST to AST at a glance
Atlantic Time is 11 hours behind Australian Western Time. If someone gives you a time in Australian Western Time, move the clock by 11 hours to read it in Atlantic Time. A 9:00 AM start in Perth becomes 10:00 PM in Halifax.
What Australian Western Time covers
Australian Western Time is the local time in Perth and Western Australia. It stays fixed without daylight saving changes. It is useful for mining, operations, and APAC teams that work across Western Australia and Southeast Asia.
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 AWST and AST?
Atlantic Time is 11 hours behind Australian Western Time.
What happens to a 3:00 PM meeting in AWST?
It lands at 4:00 AM in AST.
Does daylight saving time matter for AWST to AST?
Australian Western 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.