(iv) Vigils of Christmas and Epiphany.
The second set of Psalms is to be used on:—
(i) Ferias of Advent.
(ii) Ferias from Septuagesima to Wednesday in Holy Week, inclusive.
(iii) Vigils (common) outside Paschal time, when the Office of Vigil is said (New Psalter and Its Uses, p. 188).
On Maundy Thursday, Good Friday and Holy Saturday, the Psalms of the Feria are to be said. But the Canticle of Moses (Deut, 33) is not said on Holy Saturday.
Antiphons. As a general rule antiphons of the current day of the week are to be said.
Exceptions. (1) On excepted Feasts, (2) non-excepted Feasts which have proper antiphons, (3) Holy Week has special antiphons, (4) Six ferias before Christmas have special antiphons.
In Paschal time, all psalms and the canticles are recited under one antiphon.
Antiphon of Benedictus (1) Sunday antiphons are proper. (2) Ferias throughout the year have antiphons of current feria. But Ferias in Advent, and in Lent, in Passiontide, Paschal time and September Ember days have proper antiphons. (3) Feasts have antiphons from proper or from common.