To read about the Synaxis (gathering in honor of) of the Twelve Apostles read here
The Synaxis of the Glorious and All-Praiseworthy Twelve Apostles of Christ appears to be an ancient Feast.
For lists of the Apostles’ names, see: Matthew 10:2, Mark 3:14, Luke 6:12, Acts 1:13, 26.
Liturgical Hymns in Honor of the Twelve Apostles from the Menaion
Translations copyright by Br. Isaac E. Lambertsen, drawn from the Menaion of the Orthodox Church, in 12 volumes (in English), published by the St. John of Kronstadt Press, 1180 Orthodox Way, Liberty TN 37095; www.sjkp.org. Authorized only for private devotional purposes. Further distribution, reproduction, or incorporation into other documents is prohibited without prior permission from the publisher. All rights reserved.
The most honored feast of the apostles hath arrived for the Church of Christ, bringing salvation for us all. Wherefore, mystically plaiting hymns for them, let us say: Rejoice, O lamps unto those who are in darkness, emitting rays of the noetic Sun! Rejoice, O Peter and Paul, ye unshakable foundations of the divine doctrines, friends of Christ, precious vessels! Come ye into our midst, vouchsafing immaterial gifts unto those who praise your feast with hymns.
O Christ, in that Thou art God grant unto me, who desire to hymn the choir of the apostles, the radiance of the all-holy Spirit and the light of Thy wisdom through their supplications.
Strengthened by Thy power and grace, O Christ, Thine honored apostles destroyed the power of the adverse foe, in that they have become seers of God through Thine expansive gesture.
Working healings by Thy name, O Master, the glorious apostles looked upon the multitudes of the nations and illumined them with Thy light.
Having learned heavenly wisdom, O allwise and all-glorious apostles of Christ, with your successful preaching ye manifestly showed the overweening discourse of the impious to be foolish.
Divinely proclaiming the heavenly and precious doctrines on earth, and declaring them with fiery tongues, O preachers of Christ, ye transmitted them.
O Master, Thou didst show forth Thy disciples as noetic heavens which declare Thy glory to all the ends of the earth.
O all-wise ones who were inscribed in the heavens and revealed as dwelling with Christ, preserve us now who honor you with love.
The sound of the words of the divine apostles passed through the whole world like fire, burning up the tinder of falsehood and illumining the assemblies of the pious with grace.
The world of ungodliness, benighted in gloom, did the disciples of the Lord, the divinely radiant beacons, illumine with rays of grace, shown forth by the effulgence of their preaching.
Illumined by the sacred rays of the noetic Sun, ye shine forth in the world like the sun, O all-praised ones, dispelling the gloom of falsehood with divine light.
Possessing Thy Cross as a staff of power, O Word, those who themselves beheld Thee divided the salty sea of life, roiling the waters of polytheism like steeds.
Thy divine and all-wise ministers hast Thou shown forth in the world as light, proclaiming Thee, the never-waning Light, unto all.
Having manifestly passed through every virtue, O apostles, ye have destroyed the divers webs of the demons' malice. Speaking with fiery tongues, O apostles, ye have revealed to us the effulgence of the Trinity, the Godhead in unity.
Having made Thy disciples steadfast through wisdom and miracles, Thou didst make them stronger than the foolish prating of the Greeks; and they have abolished their false precepts.
The divine rivers of wisdom have filled all the vales of the Church with salvific waters of salvation, enriching them with streams from the well springs of salvation.
Revealed as living stars, O all-praised ones, ye destroyed all the darkness of falsehood with radiant effulgence, shining forth the light of divine knowledge.
O All-good One Who wast God before nature, making Thy disciples sons Thou didst lovingly show them to be heirs of the inheritance of the Father, and it was Thy good pleasure that they walk with Thee, their God and Master.
Bestowing an outpouring of wisdom, breadth of heart and right eloquent tongues upon Thy godly disciples, O Word, Thou didst send them forth to preach the Gospel of the kingdom to all the ends of the earth.
The apostles, shown to be clouds of the light of God, let fall life-creating water as rain upon all, crying: blessed art Thou in the temple of Thy glory, O Lord!
With the fire of the Spirit the divine and allwise choir of the apostles utterly consumed many of the sanctuaries of the demons as though they were tares, and have enlightened the hearts of the faithful, crying: Bless the Lord, all ye works of the Lord!
O godly disciples and apostles of Christ, who together have thundered forth to us the commandments of God, ye havens of the faith and common benefactors of mankind: serve ye the Savior, that we may honor you.
Let us honor the most precious vessels, the receptacles of the virtues, the first-fruits of humanity, the clarions of preaching, the torrents of life incorruptible, the God-bearing flashes of lightning, the well-springs of healing, the beautiful feet of the Gospel.
Having received from the Master the authority to loose the bonds of transgressions, O ye who have beheld God, mercifully cleanse us of sins who hymn you, and vouchsafe unto us salvation.
O glorious apostles who learned exalted preaching and doctrine in the upper chamber, ye have all received the full effulgence of the Spirit which was made manifest to you essentially; and now ye are called blessed, as is meet.
Now Christ bestoweth never-fading wreaths upon you, His friends, as ye rest; and He filleth you with divine vision. Entreat Him now, that He save all the Churches.