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Australian Central Standard Time (ACST)

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ACST time now

07:08:55
Mon, 30 Jun 2025
UTC Offset: UTC +9:30

Australian Central Standard Time (ACST) operates at UTC+9:30 hours during the standard time period, typically from early April to early October. Sometimes called "Central Standard Time," ACST provides a stable time reference for central regions of Australia outside of the daylight saving months, before transitioning to Australian Central Daylight Time (ACDT, UTC+10:30) in summer.

Importance and Global Use of ACST

ACST is essential for managing government services, transport, and business activities across central Australia. Its predictable offset helps coordinate education, healthcare, tourism, and other vital industries, ensuring smooth and consistent daily operations during the standard time period.

Internationally, ACST supports Australia's links with the Asia-Pacific and global markets. Its UTC+9:30 offset allows for efficient planning in trade, travel, and diplomatic activities, strengthening Australia's connections to international partners and regional cooperation efforts.

Where and When ACST is used worldwide

Australia

Australian states and territories using ACST during winter and ACDT during summer

  • New South Wales - Broken Hill (Yancowinna County) only InfoThe rest of New South Wales observes AEST/AEDT time zones.
  • South Australia

Australian states and territories using ACST all year

  • Northern Territory

Time Zones Around the World by Region

Complete Time Zone Abbreviations List
Time Zone Converter| Clock Widget| Time Zones
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DateTimeOnline is a comprehensive online platform for managing date and time information worldwide. It provides instant access to local times, detailed weather forecasts, currency and language information, time zones, daylight saving adjustments, sunrise and sunset times, holiday calendars, and other essential local details. The weather forecasts offer precise hourly and daily updates, covering a wide range of conditions, while the time zone converter ensures accurate conversions, accounting for daylight saving time.

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