Since Time Immemorial (Rockallian: Ó nUair Róimh Éolas (Since Time Before Knowledge) , Fernolian: Siodh an Uirith úBhéirdh an Uirith (Since Time Became Time) , Astrallic: Ón Uairr máir Meauidh Séi Cuimhneaigh (Since Time as We Remember It)) is a designation used in Rockallic legal texts for certain historic events and commencements of the existence of important institutions of society.