GMT+8:45 Time Zone Countries list - UTC+8:45 Time Now

Central Western Time, and the road that made it

The Eyre Highway crosses the Nullarbor Plain between Western Australia and South Australia — hundreds of kilometres of near-empty road. Between the state border and the settlement of Caiguna, a handful of roadhouses and the tiny community of Eucla keep a clock forty-five minutes ahead of Perth. It is known informally as Central Western Time.

The offset has no legislative backing in either state. It exists because the official border between UTC+8 and UTC+9:30 falls in an inconvenient place, and the people living along that stretch settled on a compromise that splits the difference more sensibly than either neighbour would.

Eucla, Western Australia — the largest settlement on the offset, and still a very small one. Border Village, South Australia — immediately across the state line. Mundrabilla, Madura, Cocklebiddy, Caiguna — roadhouses along the Eyre Highway.

Daylight saving

There is none. Western Australia does not observe daylight saving, and the informal zone follows suit. South Australia does observe it, so during the southern summer the clock difference at Border Village to the rest of South Australia widens rather than narrows — an oddity that concerns a few hundred people and confuses everyone driving past them.

A time zone with more roadhouses than towns, invented by the people who actually had to cross it.

Crossing the Nullarbor

Driving east from Perth, the sequence of clock changes is genuinely awkward: Perth and most of Western Australia: UTC+8. Around Caiguna, add forty-five minutes: UTC+8:45, unofficially. Past Border Village into South Australia proper: UTC+9:30 standard time, or UTC+10:30 during daylight saving.

That is up to two and three-quarter hours of change across a single day's drive, and the middle step is not marked on most digital maps. Roadhouse signage tends to state the local time explicitly, which is the practical reason the convention survives.

In software and scheduling

Because the zone is unofficial, support for it is uneven. The IANA time zone database carries Australia/Eucla, so systems using it will handle the offset correctly. Many consumer apps do not list it at all, and a phone crossing the Nullarbor will typically jump straight from Perth time to Adelaide time without stopping at 8:45. If you need to record an appointment there, write the offset out.