What is the difference between AWST and ACST?
AWST is 1 hour behind ACST, which is used in the central part of Australia.
UTC time
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AWST
Australian Western Standard Time
26 Nov 2025
Frequently Asked Questions
Does this area observe DST?
No, it remains on standard hours year-round.
Which major cities follow this pattern?
Perth, Bunbury, and Mandurah follow this schedule.
What areas share the same hours?
Western Australia follows this schedule, along with a few surrounding islands.
How does this compare with AEST or UTC?
AWST is 2 hours behind AEST and 8 hours ahead of UTC.
Why doesn't this area observe DST?
Western Australia stopped observing daylight saving time in 2009 due to concerns over energy consumption and the disruption of daily routines.
How did this system get established?
AWST was established in 1895 to standardize time across Western Australia, aligning it with neighboring regions on a consistent schedule.
What are the typical work hours here?
Business hours generally run from 8:30 AM to 5:00 PM, with variations depending on the industry, especially in tourism and mining.
What is the economic importance of this area?
Western Australia is a significant hub for mining, agriculture, and energy production, playing a vital role in the national economy.