When the term Passion Sunday is applied to the fifth Sunday of Lent, it marks the start of a two-week sub-season often referred to as Passiontide (and the formal name for it in the Roman Catholic calendar was actually the First Sunday of the Passion, in Latin Tempus Passionis). The historical readings for this day are Genesis 12:1-3, Hebrews 9:11-15, John 8:46-59, and Psalm 43. I Corinthians 1:21-31 and Matthew 26:17-29 are alternate readings. The three-year lectionary appoints the following readings for this day: