January 6th is the Solemnity of the Epiphany of the Lord. The Church celebrates when the light of Christ was first made manifest to the Gentiles represented by the magi from the east.



Readings:

Isaiah 60:1-6
Psalm 72:-12,7-8, 10-13
Ephesians 3:2-3,5-6
Matthew 2:1-12

Here are a few commentaries on these readings:

Pontifical Household preacher, Capuchin Father Raniero Cantalamessa (Courtesy of Zenit)

St. Charles Borromeo Lectionary Site (PDF)

St. Paul Center for Biblical Theology