The revelation of Christ's divine glory to Peter, James, and John on Mount Tabor. Christ appeared in brilliant light alongside Moses and Elijah, and the Father's voice proclaimed "This is My beloved Son." Grapes and other fruits are traditionally blessed on this feast, celebrated on August 6th.

The central worship service of the Orthodox Church, celebrating the Eucharist (Holy Communion). Usually celebrated on Sundays and feast days, the Divine Liturgy consists of the Liturgy of the Word (scripture readings) and Liturgy of the Faithful (Eucharistic prayer and communion). The most common forms are the Liturgies of St. John Chrysostom and St. Basil the Great.

The evening prayer service of the Orthodox Church, traditionally celebrated at sunset. Vespers includes psalms, hymns, scripture readings, and incense. On Saturday evenings, Great Vespers is often combined with the Sunday Divine Liturgy. The service marks the end of the liturgical day and prepares the faithful for rest and reflection.

The descent of the Holy Spirit upon the Apostles fifty days after Pascha, marking the full revelation of the Holy Trinity and the beginning of the Church’s mission in the world. During Vespers, special kneeling prayers are offered and the church is adorned with greenery. This feast celebrates the completion of Christ’s saving work and the outpouring of the Holy Spirit upon all believers. From this day forward, the Sundays of the year are numbered from Pentecost, signifying the continual life and growth of the Church in the grace of the Spirit.

The Russian monk who brought Orthodoxy to Alaska and was the first Orthodox saint canonized in America. Celebrated on December 13th, Herman arrived in Alaska in 1794 and spent over 40 years ministering to native Alaskans. He defended them against exploitation and established schools and orphanages on Spruce Island.

The 18th-century bishop known for his spiritual writings and pastoral care. Celebrated on August 13th, Tikhon retired early from episcopal duties to focus on prayer and writing. His works on Christian living influenced many, including St. Theophan the Recluse. He represents the combination of episcopal responsibility with monastic spirituality and theological reflection.

The "falling asleep" and assumption of the Virgin Mary into heaven. Preceded by a two-week fast, this feast on August 15th celebrates Mary's death and her bodily assumption. Orthodox theology teaches that Mary experienced death but was immediately raised and taken to heaven, where she intercedes for all Christians.

The miraculous image of Christ that appeared on cloth, also called the Mandylion. Celebrated on August 16th, this icon was sent by Christ himself to King Abgar of Edessa. According to tradition, Christ pressed a cloth to his face, leaving his image imprinted. This acheiropoietos (not-made-by-hands) icon represents Christ's divine nature and the power of his image.

The martyrdom of St. John the Baptist by order of Herod Antipas, who had imprisoned John for condemning his unlawful marriage. This solemn feast on August 29th is observed with strict fasting. John's courage in speaking truth to power and his martyrdom make him a model for Christian witness and moral integrity.

The beginning of the Orthodox liturgical year on September 1st. Also called the Indiction, this feast marks the start of the annual cycle of feasts and fasts. Many Orthodox churches hold special services with prayers for the new year, blessing of schools, and remembrance of God's creation. It emphasizes new beginnings and spiritual renewal.

A devotional service of praise consisting of hymns sung while standing ("akathist" means "not sitting"). The most famous is the Akathist to the Theotokos, traditionally sung during the fifth Friday of Great Lent. Akathists can honor Christ, the Theotokos, or various saints. These services are deeply moving expressions of Orthodox hymnography and devotion.