Date	Ordinary Form		Extraordinary Form (1962 Calendar)
Sunday December 16, 2012	Third Sunday of Advent	Propers	Third Sunday of Advent (Gaudete Sunday) Tercer domingo de Adviento	Propers Espanol	Martyrs Breviary	Comfort and Relief in Sorrow
Monday December 17 2012	Monday of the Third Week in Advent	Propers	Greater Feria of Advent O Sapientia	Propers	Martyrs Breviary	On the O Antiphons
Tuesday December 18, 2012	Tuesday of the Third Week in Advent	Propers	Greater Feria of Advent O Adonai	Propers	Martyrs Breviary
Wednesday December 19, 2012	Wednesday of the Third Week in Advent	Propers	Ember Wednesday of Advent [Fast and Partial Abstinence] O Radix	Propers	Martyrs Brevary
Thursday December 20, 2012	Thursday of the Third Week in Advent	Propers	Greater Feria of Advent O Clavis David	Propers	Martyrs Breviary
Friday December 21, 2012	Friday of the Third Week in Advent Optional: Saint Peter Canisius, Priest and Doctor of the Church [Abstinence or Penitential Acts]	Propers	St. Thomas, Apostle Comm: Ember Friday of Advent [Fast and Abstinence] O Oriens	Propers	Martyrs Breviary
Saturday December 22, 2012	Saturday of the Third Week in Advent	Propers	Ember Saturday of Advent [Fast and Partial Abstinence] O Rex	Propers	Martyrs Breviary
Sunday December 23, 2012	Fourth Sunday of Advent	Propers	Fourth Sunday of Advent (Rorate Sunday) Cuarto domingo de Adviento O Emmanuel	Propers Espanol	Martyrs Breviary	Instruction on the Holy Sacrament of Penance