Australia spans 5 standard offsets: UTC+08:00 (AWST), UTC+09:30 (ACST), UTC+10:00 (AEST) plus UTC+09:45 (ACWST, unofficial in WA) and UTC+08:45 used locally in a small WA/SA region.
Standard: UTC+08:00 — Australian Western (year‑round).
Standard: UTC+09:30; DST: UTC+10:30 — Australian South and Broken Hill, NSW. Northern Territory remains on ACST year‑round.
Standard: UTC+10:00; DST: UTC+11:00 — New South Wales (except Broken Hill), Victoria, Tasmania, ACT. Queensland stays on AEST year‑round.
Begins on the first Sunday in October at 2:00 a.m. local standard time (clocks move forward to 3:00 a.m.).
Ends on the first Sunday in April at 3:00 a.m. local daylight time (clocks move back to 2:00 a.m.).
Observed by NSW, VIC, TAS, ACT, and SA. QLD, WA, and the NT do not observe DST.
Australia standardized time zones in the early 20th century. DST usage has varied by state over time; the current pattern has been stable for decades.
Australia spans 5 standard offsets: UTC+08:00 (AWST), UTC+09:30 (ACST), UTC+10:00 (AEST) plus UTC+09:45 (ACWST, unofficial in WA) and UTC+08:45 used locally in a small WA/SA region.
Standard: UTC+08:00 — Australian Western (year‑round).
Standard: UTC+09:30; DST: UTC+10:30 — Australian South and Broken Hill, NSW. Northern Territory remains on ACST year‑round.
Standard: UTC+10:00; DST: UTC+11:00 — New South Wales (except Broken Hill), Victoria, Tasmania, ACT. Queensland stays on AEST year‑round.
Begins on the first Sunday in October at 2:00 a.m. local standard time (clocks move forward to 3:00 a.m.).
Ends on the first Sunday in April at 3:00 a.m. local daylight time (clocks move back to 2:00 a.m.).
Observed by NSW, VIC, TAS, ACT, and SA. QLD, WA, and the NT do not observe DST.
Australia standardized time zones in the early 20th century. DST usage has varied by state over time; the current pattern has been stable for decades.