Current Time in Australia/Broken_Hill Time Zone
IANA Name: Australia/Broken_Hill
Standard Offset: UTC +9:30
Daylight Saving: Yes
DST Offset: UTC +10:30
DST Abbreviation: ACDT
Currently Observing DST: No ❌
Australia/Broken_Horn Time Zone: A Complete Guide
Australia/Broken_Hill is a unique IANA time zone used in the city of Broken Hill and surrounding areas in far western New South Wales, Australia. It observes Australian Central Standard Time (ACST) with a standard offset of UTC+09:30 and switches to Australian Central Daylight Time (ACDT) at UTC+10:30 during daylight saving. This zone is notable for its half-hour offset and its alignment with South Australia’s timekeeping rather than the rest of New South Wales.
Overview and Usage
Australia/Broken_Hill applies to Broken Hill and a small region in the far west of New South Wales. Despite being in New South Wales, this area uses Central Time (ACST/ACDT) instead of Eastern Time (AEST/AEDT) due to its historical and economic ties with South Australia. The only other IANA zone with the same standard offset is Australia/Darwin, which does not observe daylight saving. Broken Hill is the anchor city, a mining town known for its silver, lead, and zinc deposits.
Offset and Abbreviation
The standard offset is UTC+09:30, abbreviated as ACST (Australian Central Standard Time). During daylight saving, the offset becomes UTC+10:30, abbreviated as ACDT (Australian Central Daylight Time). The half-hour offset (UTC+09:30) is shared only with Australia/Darwin within Australia. This offset means that when it is noon in Broken Hill, it is 02:30 UTC.
Daylight Saving Behavior
Broken Hill observes daylight saving time, starting on the first Sunday of October and ending on the first Sunday of April. Clocks spring forward 1 hour at 02:00 ACST to 03:00 ACDT in October, and fall back at 03:00 ACDT to 02:00 ACST in April. Upcoming dates: 2025-04-06 (end DST), 2025-10-05 (start DST), 2026-04-05 (end DST), 2026-10-04 (start DST). This pattern aligns with South Australia, not the rest of New South Wales (which uses AEST/AEDT).
Countries and Cities
This zone is used exclusively in Australia, specifically in Broken Hill and its immediate region. Other cities in the zone include Silverton and Menindee. The zone does not apply to any other country or territory.
Practical Guidance for Scheduling
Broken Hill’s time is 30 minutes behind Australian Eastern Standard Time (AEST, UTC+10:00) when both are on standard time, and 30 minutes behind Australian Eastern Daylight Time (AEDT, UTC+11:00) during DST. It is 30 minutes ahead of Australian Western Standard Time (AWST, UTC+08:00) year-round. For international calls, Broken Hill is 9.5 hours ahead of UTC (or 10.5 during DST). Business hours overlap well with Asia (e.g., Tokyo UTC+09:00 is 30 minutes behind) and poorly with the Americas (e.g., New York EST UTC-05:00 is 14.5 hours behind). Use the half-hour offset to avoid confusion: always check if DST is active in both locations.
Frequently Asked Questions
Why does Broken Hill use a different time zone than the rest of New South Wales?
Broken Hill uses Central Time (ACST/ACDT) because of its historical and economic connections to South Australia, including railway and mining links. The rest of New South Wales uses Eastern Time (AEST/AEDT).
Does Broken Hill observe daylight saving time?
Yes, Broken Hill observes daylight saving time, starting on the first Sunday of October and ending on the first Sunday of April, in line with South Australia.
What is the current time in Broken Hill?
The current time depends on the date. During standard time (April to October), it is UTC+09:30 (ACST). During daylight saving (October to April), it is UTC+10:30 (ACDT).
How do I convert Broken Hill time to my time zone?
Determine if Broken Hill is on ACST (UTC+09:30) or ACDT (UTC+10:30). Then calculate the difference from your UTC offset. For example, if you are in New York (EST, UTC-05:00) and Broken Hill is on ACDT, the difference is 15.5 hours (New York is behind).
Is Broken Hill time the same as Darwin time?
Both use ACST (UTC+09:30) during standard time, but Darwin does not observe daylight saving. So during the DST period, Broken Hill is one hour ahead of Darwin.
What are the upcoming DST change dates for Broken Hill?
2025-04-06 (end DST), 2025-10-05 (start DST), 2026-04-05 (end DST), 2026-10-04 (start DST).