Feast Day: November 23

Weekday with three Optional Memorials. Saint Clement I (Pope c.92-c.99). Saint Columban (c.543-615), Irish missionary monk to Gaul. U.S. Optional Memorial of Blessed Miguel Pro (1891-1927), Mexican Jesuit martyr of the Cristero persecution. Begins the Thirty-Fourth Week in Ordinary Time (USCCB Liturgical Calendar 2026).