Little Office of the Blessed Virgin Mary (Officium Parvum BMV) — court Hours usage
Officium Parvum Beatae Mariae Virginis
The Little Office of the Blessed Virgin Mary is a daily cycle of eight canonical Hours — Matins through Compline — composed of Psalms, Marian hymns, antiphons, and responsories drawn from the Latin liturgical tradition. It forms the devotional core of both the Prayer Book of Sigismund I (1524, British Library Add. MS 15281) and the Hours of Bona Sforza (1527, Bodleian MS Douce 40), both illuminated by Stanisław Samostrzelnik and structured around the royal couple's daily chapel observance at Wawel. The opening versicle — Deus in adiutorium meum intende — anchors every Hour and has structured Christian prayer across monastic, royal, and lay communities since the early Middle Ages. Still recited today by tens of thousands of lay Catholics and religious, it is among the most continuously prayed liturgical texts in the Western Christian tradition.