The feast of St. Sylvester I Pope and Confessor is of double rite and its liturgical colour is white. At Mattins the invitatory is Rege...

Sunday within the Octave of the Nativity is of semi-double rite and its liturgical colour is white. At Mattins the invitatory and hymn, ...

The feast of St. Thomas of Canterbury is of double rite and its liturgical colour is red. St. Thomas of Canterbury, or St. Thomas Becket, f...

The feast of the Holy Innocents is a Double of the Second Class with, since the reform of 1911-13, a simple Octave. The feast of the Holy I...

The feast of St. John the Apostle and Evangelist is a Double of the Second Class with, since the reform of 1911-13, a simple Octave. The l...

The feast of St. Stephen the Protomarty is a Double of the Second Class with a simple Octave. The liturgical colour of the day is red. Many...

The feast of the Nativity of the LORD is a Double of the First Class with a privileged Octave of the third order. The liturgical colour of t...