A solemnity is one of the highest-ranking celebrations in the Roman calendar and marks a mystery of the Lord, the Blessed Virgin Mary, or a saint of major significance.
The liturgical color for this observance is White. Purity, joy, and major celebrations of the Lord and saints who are not martyrs.
The Christmas season celebrates the Incarnation of the Lord from Christmas through the Baptism of the Lord.
Christmas season
Why this day matters
Christmas celebrates the birth of Jesus Christ, the Word made flesh and Savior of the world.
Nativity of the Lord is observed on Friday, December 25, 2026 in the Christmas season. It is kept as a solemnity with the liturgical color White. Christmas celebrates the birth of Jesus Christ, the Word made flesh and Savior of the world. Christmas is one of the principal celebrations of the universal Church and is widely observed as a holy day of obligation.
Holy day note: Christmas is one of the principal celebrations of the universal Church and is widely observed as a holy day of obligation.