and Octave of the Nativity , Double of the Second-Class. January 2 : Octave of St. Stephen Protomartyr, Simple . January 3 : Octave of St. John Apostle and Evangelist, Simple . January 4 : Octave of the Holy Innocents Martyrs, Simple . January 5 : Vigil of the Epiphany, Semi-Double, Commemoration