God is one being existing in three co-equal, co-eternal persons: The Father, the Son (Jesus Christ, The Word), and The Holy Spirit. These three are distinct yet inseparable, sharing one divine essence.
It is the central mystery of our Christian faith
1st Reading: Proverbs 8:22-31
Responsorial Psalm: Psalms 8:4-5, 6-7, 8-9
2nd Reading: Romans 5:1-5
Alleluia: Revelation 1:8
Gospel: John 16:12-15
Mass with Father Mike Schmitz: The Solemnity of the Most Holy Trinity - Mass with Fr. Mike Schmitz - YouTube
The liturgical color for this feast is WHITE
CCC 234: It is the mystery of God in Himself. It is therefore the source of all the other mysteries of faith, the light that enlightens them

