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.

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.

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.

Brief prayer services traditionally celebrated at specific times of day: First Hour (6 AM), Third Hour (9 AM), Sixth Hour (noon), and Ninth Hour (3 PM). Each Hour includes psalms, troparia, and prayers appropriate to that time of day. These services sanctify the day and connect us to Christ's Passion, as they commemorate specific moments in His crucifixion and death.

The birth of St. John the Baptist, the Forerunner of Christ, to the elderly Zacharias and Elizabeth. Celebrated on June 24th, this feast honors the one who prepared the way for Christ's ministry. John's birth was miraculous, and he grew up in the desert to become the voice crying in the wilderness, baptizing Christ in the Jordan.

The joint commemoration of the two great apostles: Peter, the leader of the Twelve, and Paul, the Apostle to the Gentiles. Celebrated on June 29th after the Apostles' Fast, this feast honors both their ministries and their martyrdom in Rome. Though different in background, both were instrumental in establishing the early Church.

The brother physicians who provided free medical care and were martyred under Diocletian. Celebrated on November 1st, these 'Unmercenary Healers' treated both physical and spiritual ailments without accepting payment. They are patron saints of physicians and pharmacists. Their example shows how professional skills can be a form of Christian ministry and service.

The 20th-century Russian bishop who served Orthodox communities in China, Europe, and America. Celebrated on July 2nd, John (Maximovitch) was known for his ascetic life, care for orphans, and numerous miracles. He walked barefoot, rarely slept, and constantly prayed. He represents pastoral dedication and the universality of Orthodox faith across cultures.

The German princess who became Russian Orthodox and was martyred by the Bolsheviks. Elisabeth founded a convent and hospital in Moscow after her husband's assassination. She was thrown into a mine shaft alive during the Russian Revolution. She represents conversion to Orthodoxy, charitable service, and martyrdom for faith.

A lengthy service combining Vespers and Matins, traditionally celebrated on the eve of Sundays and major feasts. The All-Night Vigil includes the singing of "Lord, I Call," the Magnificat, the Great Doxology, and numerous psalms and hymns. This service prepares the faithful spiritually for the upcoming feast.

The Great Prince of Kiev who brought Christianity to Russia in 988 AD. Celebrated on July 15th, St. Vladimir's conversion and baptism of his people established Orthodox Christianity as the foundation of Russian civilization. His feast honors both his personal transformation from pagan ruler to Christian saint and his role in spreading the Orthodox faith.

The beloved Russian hermit and mystic known for his joy and spiritual wisdom. Celebrated on January 2nd, Seraphim spent years in solitude before becoming a spiritual father to thousands. His greeting 'My joy!' and teaching that the purpose of Christian life is acquiring the Holy Spirit inspired countless believers. He represents the mystical tradition of Orthodox spirituality.