Kyriale heading: “In Festis Solemnibus” (for Friday, 1 January 2027). NOH (1942) ranks feasts as doubles and semidoubles; the 1962 calendar uses classes. The correspondence used here is approximate.
Vespers
Pss. 109, 112, 121, 126, 147: VI F, III a2, IV E, I f, II D · Magnificat: II A · Alma Redemptoris Mater · Magnificat antiphon Magnum