We now enter the Christmas Season. The first 8 days of the Christmas Season is known as the Octave of Christmas it starts with Christmas and ends with the Solemnity of Mary, the Mother of God on January 1st.
The Christmas Season continues on from the 1st, ending on January 8th with the Baptism of the Lord.
The Christmas Season is rich with Feast Days and Solemnities:
In December:
25th - Solemnity of the Nativity of the Lord
26th - St. Stephen, the First Martyr
27th - St. John, Apostle and Evangelist
28th - Feast of the Holy Innocents
31st - Feast of the Holy Family
In January:
1st - Solemnity of Mary, the Mother of God
3rd - Memorial of The Most Holy Name of Jesus
7th - Solemnity of the Epiphany of the Lord
8th - Feast of the Baptism of the Lord
Octave of Christmas:
Cooperation with God's Grace