Timezone details
- Identifier
- Abbreviation
- —
- Transitioned
- May 31, 2021 at 09:45 AM
Eucla
Australia • Eucla
AustraliaCurrent local time
12:59:06
Sunday, May 31, 2026
UTC offset
UTC+08:45
No daylight saving changes
Eucla does not observe daylight saving time. Clocks stay on UTC+08:45 all year long.
Location
- Latitude
- -31.71666
- Longitude
- 128.86666
- Country
- Australia
Australian Central Western Standard Time (ACWST)
FAQs
Australian Central Western Standard Time (ACWST) is one of Australia’s most niche offsets, quietly running at UTC+08:45 in and around Eucla—no daylight saving, just a steady clock that sits halfway between Perth’s time and South Australia’s. For locals it’s business as usual, but for the rest of the world it’s a charming reminder of how borders and railway history can shape a timezone.
Why does UTC+08:45 even exist?
It’s a compromise halfway between Australian Western Standard Time (UTC+08:00) and Australian Central Standard Time (UTC+09:30), influenced by the timekeeping needs of remote communities along the Trans-Australian Railway.
Who actually uses ACWST in daily life?
The tiny town of Eucla and a handful of nearby roadhouses and pastoral stations on the Western Australia–South Australia border, plus parts of the Nullarbor’s remote outposts.
Does the region observe daylight saving time?
No. ACWST stays at UTC+08:45 year-round, so there’s no need to shift clocks in summer—one less seasonal chore for locals, but an extra puzzle for visitors.
How many cities are on UTC+08:45?
Just one main town, Eucla, making ACWST one of the least populated timezones in the world.
Is this offset officially recognized in countries besides Australia?
No. It’s unique to a small slice of Australia, giving ACWST a very local, almost ‘secret handshake’ status on global clocks.
What happens when I cross the border into or out of Eucla?
When heading west into most of Western Australia you roll back 45 minutes to UTC+08:00; heading east into South Australia you jump ahead 45 minutes to UTC+09:30—two changes in a single short drive.
Will ACWST ever get daylight saving?
It’s highly unlikely. The region’s sparse population and its reliance on a fixed railway-oriented schedule make seasonal time shifts impractical.
Is there a real-time ACWST clock I can check?
Absolutely. The timezone.io representative zone for ACWST always shows the live local time at UTC+08:45, no complications.
Why do digital devices sometimes struggle with this timezone?
Because +08:45 is unusual and falls exactly halfway between better-known zones, some systems only allow full-hour offsets, leading to manual adjustments or odd workarounds for locals.