Luke The salutation of the angel Gabriel -- chaire kecharitomene , Hail, full of grace ( Luke ) indicates a unique abundance of grace, a supernatural, godlike state of soul, which finds its explanation only in the Immaculate Conception of Mary.
The translation "she" of the Vulgate is interpretative; it originated after the fourth century, and cannot be defended critically.
Mary needed the redeeming Saviour to obtain this exemption, and to be delivered from the universal necessity and debt ( debitum ) of being subject to original sin.
The person of Mary, in consequence of her origin from Adam, should have been subject to sin, but, being the new Eve who was to be the mother of the new Adam, she was, by the eternal counsel of God and by the merits of Christ, withdrawn from the general law of original sin.
John the Baptist (23 September), which dates back to the fifth century; it is thus older than the Feast of the Conception of Mary, and, during the Middle Ages, was kept also by many Western dioceses on 24 September.
The Conception of Mary is celebrated by the Latins on 8 December; by the Orientals on 9 December; the Conception of Christ has its feast in the universal calendar on 25 March.