Standard Time is 8 hours ahead of Greenwich Mean Time (GMT+8).
Based on the mean solar time of 120°E. Covering Western Australia and using time 8 hours ahead of GMT. Perth’s longitude is 115° 31’ East
Note the area around Eucla unofficially operate a separate time zone.
Daylight Saving (Summer) Time was not observed in Western Australia prior to 2006. See Daylight Saving Time .Daylight saving was introduced in Western Australia for a three-year trial period starting December 2006. The three-year trial gave Western Australians an opportunity to “try before they buy”. A referendum was held in 2009 to decide whether it should become permanent.
PERTH Australia: Western Australians turned down daylight
savings time for the fourth time since 1975
in a referendum on 16 May 2009.
A larger share of the voters rejected daylight savings time this year than in 1992, the last time the question was put to a vote, The Sunday Times of Perth reported. With about two-thirds of the votes counted, about 55 percent had gone into the "No" column, officials said.
The international dialling code for Western Australia is +618.
Government of Western Australia website : www.wa.gov.au