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.

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 presentation of the infant Christ in the Temple, where He was received by the righteous Simeon and Anna the Prophetess. Also called the "Meeting of the Lord," this feast on February 2nd celebrates Christ's first entrance into the Temple and Simeon's recognition of Him as the "Light of the Nations." Candles are traditionally blessed.

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 sacrament of reconciliation through which the faithful confess their sins to a priest and receive absolution. Also called the sacrament of repentance or penance, confession restores the baptismal purity lost through sin and reconciles the penitent with God and the Church. The penitent stands before an icon of Christ while confessing to the priest, who acts as a witness and minister of God's forgiveness. The priest then covers the penitent's head with his epitrachelion (stole) and pronounces the prayer of absolution.

A special Lenten service combining Vespers with communion using bread consecrated at a previous Divine Liturgy. Celebrated on Wednesday and Friday evenings during Great Lent, this service allows the faithful to receive communion during the fasting period without celebrating the full Divine Liturgy. It maintains the penitential character of Lent while providing spiritual nourishment.

A service that replaces the Divine Liturgy when no priest is available, or serves as a communion service using previously consecrated elements. Typika includes psalms, scripture readings, and prayers similar to the Liturgy but without the Eucharistic prayer. This service allows communities to maintain liturgical worship even when circumstances prevent the celebration of the full Divine Liturgy.