Brevir Harian Katholik is an application containing 7 Liturgy of the hours (Laudes,Vesperae,Hora Media; Tertia, Sexta, Nona, Completorium, Officium Lectionis) In Bahasa Indonesia. " the purpose of the Divine Office ( Breviary ) is to sanctify the day and all human activity ... its is the prayer not only of the clergy but of the whole People of God. -Apostolic Constitution, Canticum Laudis.