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 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.

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 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 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.

The circumcision of the infant Christ on the eighth day after His birth, as required by Jewish law. Celebrated on January 1st, this feast emphasizes Christ's full humanity and His submission to the Mosaic Law. It also commemorates the giving of the name "Jesus" (meaning "God saves") and is often combined with the feast of St. Basil the Great.

The manifestation of Christ as God through His baptism in the Jordan River by St. John the Baptist. During this feast, water is blessed in a special service, and many parishes perform the Great Blessing of Waters. The feast celebrates the revelation of the Trinity and Christ's divine nature.

The gathering to honor St. John the Baptist on January 7th, the day after Theophany. This synaxis celebrates John's role as the Forerunner who baptized Christ and his witness to Christ as "the Lamb of God." The feast connects John's ministry to the Theophany celebration, emphasizing his preparation for Christ's revelation.

The father of monasticism who retreated to the Egyptian desert in the 3rd-4th centuries. Celebrated on January 17th, St. Anthony's feast honors his pioneering role in Christian monasticism and his spiritual warfare against demons. His life, recorded by St. Athanasius, inspired countless Christians to pursue ascetic life and deeper prayer.

The joint celebration of Saints Basil the Great, Gregory the Theologian, and John Chrysostom on January 30th. These three great Church Fathers and theologians were honored together to end disputes over which was greatest. They represent the unity of Orthodox theology, liturgy, and pastoral care. This feast is especially important in Orthodox education.