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 14th-century Archbishop of Thessalonica who defended hesychast spirituality and taught about the uncreated energies of God. Celebrated on the Second Sunday of Lent, Palamas developed theological foundations for mystical prayer and the Jesus Prayer tradition. His teachings on theosis (deification) are central to Orthodox spiritual life.

The Archangel Gabriel's announcement to the Virgin Mary that she would bear the Son of God. Celebrated on March 25th, exactly nine months before Christmas, this feast honors Mary's "Yes" to God's plan of salvation. The service emphasizes both the Incarnation of Christ and the Theotokos's role in our redemption.

The day before Palm Sunday, commemorating Christ raising Lazarus from the dead. This miracle foreshadowed Christ's own Resurrection and demonstrated His power over death. The service is joyful, anticipating the triumph of Palm Sunday and Pascha. Pussy willows are often blessed on this day in preparation for Palm Sunday.

The celebration of Christ's triumphal entry into Jerusalem, when crowds welcomed Him with palm branches. This feast begins Holy Week and is marked by the blessing and procession of palm branches (or pussy willows in northern climates). The service combines joy for Christ's kingship with anticipation of His upcoming Passion.

The Patriarch of Moscow who led the Russian Orthodox Church through the Communist persecution. Celebrated on April 7th, Tikhon was elected Patriarch in 1917 and courageously opposed Soviet attempts to control the Church. He defended Orthodox faith and clergy during the most difficult period of Russian Church history. He represents faithful leadership under persecution.