The O Antiphon for December 21, "O Dawn of the East," is drawn from Isaiah 9:2. "Dawn of the East" is often translated as "Dayspring."
For more on the O Antiphons and the Latin text of the O Antiphon for December 21 ("O Oriens"), see The O Antiphons.
O Antiphon for December 21
O Dawn of the East, Brightness of the Light Eternal and Sun of Justice, come and enlighten them that sit in darkness and in the shadow of death.
