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 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.

The morning prayer service of the Orthodox Church, traditionally celebrated at dawn. Also called Orthros in Greek tradition, this service includes the reading of the Gospel, the Great Doxology, and numerous psalms and hymns. Matins prepares the faithful for the day and is often celebrated immediately before the Divine Liturgy on Sundays and feast days.

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 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.