First Day of Lent,
commonly called Ash Wednesday (focus text in bold):
Penitential Office: Psalm 51 - "Have mercy on me, O God"
Joel 2:12-17 - "Rend your hearts and not your garments"
Psalm 31 - "Blessed is he whose unrighteousness is forgiven"
James 4:1-10 - the most intense call to repentance in the entire New Testament
Matthew 6:16-21 - doing devotion in secret, from the Sermon on the Mount
Cover art: an ashen cross