The collect for today, the Feast Day of Saint Joseph, Guardian of Our Lord, Husband of the Blessed Virgin Mary, Patron Saint of Canada (source):

God our Father,
who from the house of thy servant David
didst raise up Joseph the carpenter
to be the guardian of thine incarnate Son
and husband of the Blessed Virgin Mary:
give us grace to follow him
in faithful obedience to thy commands;
through Jesus Christ thy Son our Lord,
who liveth and reigneth with thee,
in the unity of the Holy Spirit,
one God, now and for ever

The Epistle: Romans 4:13-18
The Gospel: St Luke 2:41-52

This commemoration has been transferred from 19 March.

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Artwork: Giovanni Battista Caracciolo, Saint Joseph and the Child Jesus, c. 1622. Private collection, Venice.