Before Catholics were poor fishermen, therefore they ate fish every friday which was later changed to doing this only during lent.
The Catholic Church is fundamentally liturgical and sacramental in its public life of worship.
As explained in greater detail in the Catechism of the Catholic Church and its shorter Compendium, the liturgy is something that "the whole Christ", Head and Body, celebrates — Christ, the one High Priest, together with his Body, the Church in heaven and on earth. Involved in the heavenly liturgy are the angels and the saints of the Old Covenant and the New, in particular Mary, the Mother of God, the Apostles, the Martyrs and "a great multitude, which no man could number, out of every nation and of all tribes and peoples and tongues" (Revelation 7:9). The Church on earth, "a royal priesthood" (1 Peter 2:9), celebrates the liturgy in union with these: the baptized offering themselves as a spiritual sacrifice, the ordained ministers celebrating at the service of all the members of the Church in accordance with the order received, and bishops and priests acting in the person of Christ.
Fasting and abstinence in the Roman Catholic Church
The liturgical year, also known as the church year, consists of the cycle of liturgical seasons in Christian churches that determines when feast days, including celebrations of saints, are to be observed, and which portions of Scripture are to be read either in an annual cycle or in a cycle of several years. Distinct liturgical colours may appear in connection with different seasons of the liturgical year. The dates of the festivals vary somewhat between the different churches, though the sequence and logic is largely the same.
In both East and West, the dates of many feasts vary from year to year, usually in line with the variation in the date of Easter, with which most other moveable feasts are associated. The extent to which feasts and festivals are celebrated also varies between churches; in general, Protestant churches observe far fewer than Catholic and Orthodox, in particular with regard to feasts of the Virgin Mary and the other saints. Reformed Christians emphasize weekly celebration of the Lord's day and, while some of them celebrate also what they call the five evangelical feasts, others celebrate no holy days.
The Catholic Church historically observed the discipline of fasting or abstinence at various times each year. For Catholics, fasting is the reduction of one's intake of food, while abstinence refers to refraining from meat (or another type of food). The Catholic Church teaches that all people are obliged by God to perform some penance for their sins, and that these acts of penance are both personal and corporate. The purpose of fasting is spiritual focus, self discipline, imitation of Christ, and performing penance.
Contemporary Roman legislation, which is followed by Catholics of the Latin Rite (who comprise most Catholics) is rooted in the 1966 Apostolic Constitution of Pope Paul VI, Paenitemini, and codified in the 1983 Code of Canon Law (in Canons 1249-1253). According to Paenitemini and the 1983 Code of Canon Law, on Ash Wednesday and Good Friday, both abstinence and fasting are required of Catholics who are not exempted for various reasons. All Fridays of the year are days of penance. All persons who have completed their fourteenth year are bound by the law of abstinence on all Fridays that are not Solemnities. Nevertheless, both Paenitemini and the 1983 Code of Canon Law permitted the Episcopal Conferences to propose further relaxations of the laws on fasting and abstinence for their home territories, and most have done so. For example, in some countries, the Bishops' Conferences have obtained from Rome the substitution of pious or charitable acts for abstinence from meat on all Fridays of the year (including Fridays of Lent) except Good Friday. Others have retained abstinence on Lenten Fridays, but not on Fridays outside of Lent. However, some Catholics still voluntarily abstain from meat on Fridays throughout the year.
The Friday Fast is an Eastern Orthodox, Roman Catholic, and Anglican practice of abstaining from meat on Fridays. According to Pope Peter of Alexandria, the Friday fast is done in commemoration of the crucifixion of Jesus Christ on Good Friday. Abstinence is colloquially referred to as "fasting" although it does not necessarily involve a reduction in the quantity of food.
After the Second Vatican Council it has not been widely followed by Roman Catholics apart from Lenten Fridays and Good Friday itself. Specific regulations are passed by individual episcopates. In the US in 1966 the USCCB passed Norms II and IV that bound all persons from age fourteen to be bound to abstinence from meat on Fridays of Lent, and through the year. In September 1983, Canons 1252 and 1253 expressed this same rule, and added that Bishops may permit substitution of other penitential practices on Fridays outside of Lent only, but that some form of penance shall be observed on Friday in commemoration of the day of the week of the Lord's Crucifixion.
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Hospitality is the relationship between the guest and the host, or the act or practice of being hospitable. This includes the reception and entertainment of guests, visitors, or strangers.