Holy Saturday is sacred as the day of the Lord's rest; it has been called the "Second Sabbath" after creation. The day is and should be the most calm and quiet day of the entire Church year, a day broken by no liturgical function. Christ lies in the grave, the Church sits near and mourns. After the great battle He is resting in peace, but upon Him we see the scars of intense suffering. The mortal wounds on His Body remain visible. Jesus' enemies are still furious, attempting to obliterate the very memory of the Lord by lies and slander.
Mary and the disciples are grief-stricken, while the Church must mournfully admit that too many of her children return home from Calvary cold and hard of heart. When Mother Church reflects upon all of this, it seems as if the wounds of her dearly Beloved were again beginning to bleed.
According to tradition, the entire body of the Church is represented in Mary: she is the "credentium collectio universa" (Congregation for Divine Worship, Lettera circolare sulla preparazione e celebrazione delle feste pasquali, 73). Thus, the Blessed Virgin Mary, as she waits near the Lord's tomb, as she is represented in Christian tradition, is an icon of the Virgin Church keeping vigil at the tomb of her Spouse while awaiting the celebration of His resurrection.
The pious exercise of the Ora di Maria is inspired by this intuition of the relationship between the Virgin Mary and the Church: while the body of her Son lays in the tomb and His soul has descended to the dead to announce liberation from the shadow of darkness to His ancestors, the Blessed Virgin Mary, foreshadowing and representing the Church, awaits, in faith, the victorious triumph of her Son over death. — Directory on Popular Piety and the Liturgy
There are no liturgies celebrated this day, unless the local parish priest blesses the food baskets. The Easter blessings of food owe their origin to the fact that these particular foods, namely, flesh meat and milk products, including eggs, were forbidden in the Middle Ages during the Lenten fast and abstinence. When the feast of Easter brought the rigorous fast to an end, and these foods were again allowed, the people showed their joy and gratitude by first taking the food to church for a blessing. Moreover, they hoped that the Church's blessing on such edibles would prove a remedy for whatever harmful effects the body might have suffered from the long period of self-denial. The Easter blessings of food is still held in some churches.
If there is no blessing for the Easter foods in the parish, the father of the family can pray the Blessing over the Easter food.
It is during the night between Holy Saturday and Easter Sunday that the Easter Vigil is celebrated. The service begins around ten o'clock, in order that the solemn vigil Mass may start at midnight.