Monday in Holy Week is a privileged ferial day as are tomorrow and Wednesday. Although of simple rite no feast may take precedence over them. A feast is either commemorated or transferred depending on its rank. So the feast of the Annunciation is transferred to April 8th this year. The liturgical colour of the day is violet.
At Mattins the invitatory is Hodie etc and the Office hymm Pange, lingua, gloriosi. Mattins has one nocturn. The lessons are taken from a homily of St. Augustine on St. John's Gospel account of the raising of Lazarus, the responsories are proper. At the second scheme of Lauds the antiphons are proper, Faciem meam etc sung with psalms 50, 5, 28, Confitebor tibi and 116. The Office hymn is O sol salutis. After the antiphon on the Benedictus, Clarifica me, Pater etc., has been repeated after the canticle the choir kneels and the ferial preces are sung followed by the, proper, collect of the day. These same antiphons, Faciem meam etc., are sung at the Hours. At Prime (Pss. 23, 18i, 18ii & 46the chapter is the ferial Pacem et vertiatem. The ferial preces are also sung at each of the Hours, again the choir kneeling. At Mass, sung after None, the deacon and subdeacon wear folded chasubles. The formula is proper to the day with the introit Judica, Domine, nocentes me, the second collect is Ecclesiae, the preface is of the Cross, there is an Oratio super populum and the dismissal is Benedicamus Domino sung by the deacon facing the celebrant and altar. Vespers follow Mass. The Office hymn is Vexilla regis. After the antiphon on the Magnificat, Non haberes etc., has been repeated the choir kneel and the preces feriales are sung. At Compline, sung at the usual time, the Dominical preces are also sung kneeling.
In the 'liturgical books of 1962' the day is I class. At Lauds the ferial preces are omitted. At the Hours the ferial preces are also omitted. At Prime (Pss. 23, 18i, 18ii) the chapter is Regi saeculorum. At Mass there is only a single collect, the dismissal is Ite, missa est and the ministers wear dalmatic and tunicle. Vespers are sung in the afternoon and are sung without the ferial preces. At Compline the Dominical preces are omitted.