Holy Week funeral marches, hymns or "marchas" written for the occasion. Music for the Holy Week includes Lamentations of Jeremiah the Prophet, Responsories for Holy Week, Passion oratorios and Easter oratorios. Tomás Luis de Victoria's "Officium Hebdomadae Sanctae" (1585) contains settings of 37 texts for the Catholic liturgy of the Holy Week. Carlo Gesualdo's "Responsoria et alia ad Officium Hebdomadae Sanctae spectantia" (1611) contains settings of all 27 Tenebrae responsories (for matins of Maundy Thursday, Good Friday and Holy Saturday), and of a few other text for use in lauds of the Holy Week. "Leçons de ténèbres" as composed by various French
Armelin's calendar mind of modest ability will learn in a few minutes the weekday with which each month invariably begins, and will be able to compute quickly the day of the week upon which any day of any month falls. Each stated holiday falls upon its invariable day of the week. Thanksgiving Day falls always on November 30. A major disadvantage is for sabbatarians, who are obliged to worship every seventh day. Their holy day will occur on a different weekday every year. Armelin's project received the first premium of the French Astronomical Society. The World Calendar, roughly identical, has been promoted