With a membership currently estimated at over 85 million members worldwide, the Anglican Communion is the third largest Christian communion in the world, after the Roman Catholic Church and the Eastern Orthodox Churches.

Some Eastern Orthodox Churches have issued statements to the effect that Anglican orders could be accepted, yet have still reordained former Anglican clergy ; other Orthodox churches have rejected Anglican orders altogether.

** April 6 ( Eastern Orthodox liturgics )

** April 15 ( Eastern Orthodox liturgics )

** April 30 ( Eastern Orthodox liturgics )

** August 22 ( Eastern Orthodox liturgics )

** August 6 ( Eastern Orthodox liturgics )

** August 9 ( Eastern Orthodox liturgics )

The Eastern Orthodox Church observes several All Souls ' Days during the year.

The Eastern Orthodox Church dedicates several days throughout the year to the dead, mostly on Saturdays, because of Jesus ' resting in the Holy Sepulchre on that day.

** August 13 ( Eastern Orthodox liturgics )

In the Eastern Orthodox and Eastern Catholic Churches, the Abbot is referred to as the Hegumen.

** August 2 ( Eastern Orthodox liturgics )

** April 1 ( Eastern Orthodox liturgics )

Arianism is defined as those teachings attributed to Arius which are in opposition to mainstream Trinitarian Christological doctrine, as determined by the first two Ecumenical Councils and currently maintained by the Roman Catholic Church, the Eastern Orthodox Churches, the Oriental Orthodox Churches, and most Reformation Protestant Churches.

** August 1 ( Eastern Orthodox liturgics )

** August 3 ( Eastern Orthodox liturgics )

** April 26 ( Eastern Orthodox liturgics )

In the Catholic Church ( both the Latin Rite and Eastern Catholic ), Eastern Orthodox, Coptic and Anglican abbeys, the mode of election, position, rights, and authority of an abbess correspond generally with those of an abbot.

** August 8 ( Eastern Orthodox liturgics )

** April 16 ( Eastern Orthodox liturgics )

* Triodion – the period of 70 days before Easter ( Eastern and Oriental Orthodox, Greek-Catholic )

* Saturday of Souls – 57 days before Easter ( Eastern and Oriental Orthodox, Greek-Catholic )

* Triumph of Orthodoxy – 42 days before Easter ( Eastern and Oriental Orthodox, Greek-Catholic )

* Lazarus Saturday – 8 days before Easter ( Eastern and Oriental Orthodox, Greek-Catholic )

* All Saints ' Day – 56 days after Easter ( Eastern and Oriental Orthodox, Greek-Catholic ), but in the West this feast is fixed on November 1

In the Eastern Orthodox and Greek-Catholic Churches, the term " ablution " refers to consuming the remainder of the Gifts ( the Body and Blood of Christ ) at the end of the Divine Liturgy.

In the Eastern Orthodox and Greek-Catholic Churches, the Matins service for Good Friday is called Matins of the Twelve Passion Gospels, and is remarkable for the interspersing of twelve readings from the Gospel Book detailing chronologically the events of the Passion — from the Last Supper to the burial in the tomb — during the course of the service.

Sometimes there will be a reënactment of the Descent from the Cross ; for instance, at Vespers in the Byzantine ( Eastern Orthodox and Greek-Catholic ) tradition.

For Eastern Orthodox and Greek-Catholic Christians, fasting is an important spiritual discipline, found in both the Old Testament and the New, and is tied to the principle in Orthodox theology of the synergy between the body ( Greek: soma ) and the soul ( pnevma ).

In the Eastern Orthodox, Greek-Catholic Churches, Latin Catholic Church, and in the teaching of the Church Fathers which undergirds the theology of those Churches, economy or oeconomy ( Greek: οἰκονομία, oikonomia ) has several meanings.

; Eastern Orthodox and Greek-Catholic

The village of Cioara is linked to Sofronie of Cioara, the Eastern Orthodox Monk and Saint of the Romanian Orthodox Church who, between the autumn of 1759 and the spring of 1761, led the peaceful uprising of the Romanian Orthodox population against the Habsburg policy of encouraging all Romanians to join the Greek-Catholic Church.

Since the fall of Communism, Greek-Catholic Church leaders have claimed that the Eastern Catholic community is facing with a cultural and religious wipe-out: the Greek-Catholic churches are allegedly destroyed by the Orthodox Church representatives, whose actions are supported and accepted by the Romanian authorities.

In the Eastern Orthodox and Greek-Catholic Churches there are nine Biblical Canticles ( or Odes ) that are chanted at Matins.

In 1875, Russians forbade this rite in southern podlasie as well, and all Greek-Catholic inhabitants were forced to accept the Eastern Orthodox faith.

Numerous cycles combine and make use of a vast array of liturgical texts making the Byzantine Rite one of the richest liturgical traditions in Christianity ( for more detail, see Canonical Hours: Eastern Orthodox and Greek-Catholic usage ).

The Romanian Church United with Rome, Greek-Catholic () is an Eastern Catholic Church which is in full union with the Roman Catholic Church.

Compline (; Slavonic: Povecheriye ; literally, " after-supper " prayer ) in the Eastern Orthodox and Greek-Catholic Churches takes two distinct forms: Small Compline and Great Compline.

In 1891, Ireland refused to accept the credentials of Greek-Catholic priest Alexis Toth, citing the decree that married priests of the Eastern Catholic Churches were not permitted to function in the Catholic Church in the United States, despite Toth being a widower.

In the Eastern Orthodox and Greek-Catholic Churches, after reading the Apostle ( Epistle ) at the Divine Liturgy, the Reader announces which of the Eight Tones the Alleluia is to be chanted in.

Dikirion () and trikirion ( τρικήριον or τρίκηρον ) are liturgical candlesticks, used by a bishop of the Eastern Orthodox and Greek-Catholic Churches to bless the clergy and faithful.

" Blazhen Muzh " ( Church Slavonic, " Blessed is the Man ") is a setting of verses from Psalms 1, 2 & 3 taken from the Byzantine ( Eastern Orthodox and Greek-Catholic ) tradition of Vespers.

During the Eastern Orthodox and Greek-Catholic Divine Services the reading of the synaxarion ( in the sense of brief lives of the saints of the day ) will take place after the Sixth Ode of the Canon at Matins or at the Divine Liturgy.