Although there's no entry for the state, it is in the per-holiday section already. I can see an entry in Wikipedia here:https://en.wikipedia.org/wiki/Public_holidays_in_Australia#Labour_DayTo quote (emphasis mine): "The Labour Day public holiday varies considerably between the various stat...
Labour Day Weekend Labour Day Observances List of National and Regional Public Holidays of Australia in 2025 DAYDATEHOLIDAY WednesdayJan 01, 2025New Year's Day MondayJan 27, 2025Australia Day MondayMar 03, 2025Labour Day (WA) MondayMar 10, 2025Canberra Day (ACT) ...