Western Standard Time: a time zone in Australia that is seven to nine hours later than GMT. It includes all of Western Australia. 西部標準時間(澳大利亞的一個時區,比格林尼治標準時間晚7到9個小時。該時區包括西澳大利亞州的所有地區)
the time in the time zone that includes the 0º meridian of Greenwich, London, England, used as the international standard for calculating time around the world