Hail and Blessed be the hour and the moment in which The Son of God was born of the most pure Virgin Mary, at midnight, in Bethlehem, in the piercing cold. In that hour, vouchsafe, I beseech thee, O My God, to hear my prayer and grant my desires through the merits of Our Savior, Jesus Christ, and of His blessed Mother.
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It is often noted that this prayer is (often) to be said fifteen times a day, starting from the Feast of St. Andrew the Apostle (November 30th) until Christmas Eve, the final day.
Under Mary's Mantle 