What is the difference between a Roman Catholic rite and an Eastern Catholic rite?

Answer 1

What is the same: beliefs and sacraments of the western and eastern rite catholic churches are the same.

The practices and liturgies are different but valid.

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Catholic AnswerAn Eastern Rite Catholic is a full Catholic who belongs to one of the Eastern Rite. There is no such thing as a "Roman Catholic rite", sometimes the Latin Rite is referred to as the Roman rite, but all rites are Catholic.

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from The Catechism of the Catholic Church, second edition, English translation 1994

1203 The liturgical traditions or rites presently in use in the Church are the Latin (principally the Roman rite, but also the rites of certain local churches, such as the Ambrosian rite, or those of certain religious orders) and the Byzantine, Alexandrian, or Coptic, Syriac, Armenian, Maronite, and Chaldean rites. In "faithful obedience to tradition, the sacred Council declares that Holy Mother Church holds all lawfully recognized rites to be of equal right and dignity, and that she wishes to preserve them in the future and to foster them in every way." (Sacrosanctum concilium 4)

Answer 2

There is no such being as an "Eastern Roman Catholic Church". You may be refering to the schismatics know as the Eastern Church, or the Orthodox Church. These are the churches which broke away from the Catholic Church over many centuries, and are still in schism today. They are without the Pope, and have retained their ancient liturgies, for the most part, plus all of the sacraments. They have valid orders (bishops, priest, and deacons), and valid sacraments.

''from A Catholic Dictionary, ''edited by'' Donald Attwater, ''Second edition, revised 1957''''

'''The Schism of the East''' the estrangement and severance from the Holy See of what is now called the Orthodox Eastern Church was a gradual process extending over centuries. After a number of minor schisms the first serious, though short, break was that of Photius; from then on tension between East and West increased, and the schism of Cerularius occurred in 1054. From then on the breach gradually widened and has been definitive since 1472. There was a formal union from the 2nd Council of Lyons in 1274 until 1282, and a more promising one after the Council of Florence from 1439 to 1472. After the capture of Constantinople it was in the Turkish interest to reopen and widen the breach with the powerful Roman church; the patriarchates of Alexandria, Antioch, and Jerusalem were dragged into this policy, Russia and the Slav churches stood out the longest of any: none of these churches, except Constantinople itself in 1472, formally and definitely broke away from the unity of the Church. But in the course of centuries the schism has set and crystallized into a definite separation from the Holy See of many million people with a true priesthood and valid sacraments. The origins, causes and development of the schism are matters of much complication, still not fully unraveled.

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Answer 3

Catholic AnswerThere is only the Catholic Church. The Catholic Church is made up of various "rites", the largest of these is the Latin Rite of the Church, often incorrectly referred to as the "Roman Catholic Church". This is incorrect and never used by the Vatican. There are approximately seven "Eastern" Rites of the Church, together with the Latin Rite, they all make up the Catholic Church.

Answer 4

Nothing, they are one and the same. It simply distinguishes the Western Rite from the Eastern Rites of the Catholic Church. All are in union with Rome.