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
Determination of the day of the week week is where the positive modulus is chosen. The value of is obtained from the following table: The value of is obtained from the following table, which depends on the calendar. For the Gregorian calendar, For the Julian calendar, Charles Lutwidge Dodgson (Lewis Carroll) devised a method resembling a puzzle, yet partly tabular in using the same index numbers for the months as in the "Complete table: Julian and Gregorian calendars" above. He lists the same three adjustments for the first three months of non-leap years, one 7 higher for the last, and gives cryptic instructions for finding the rest;