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.

The sacrament of ordination to the threefold ministry of bishop, priest, or deacon. Ordinations take place during the Divine Liturgy, with deacons ordained after the consecration of the gifts, priests after the Great Entrance, and bishops after the Little Entrance. The bishop lays hands on the ordinand while the people sing "Axios!" ("He is worthy!"). Through ordination, the Holy Spirit grants the grace needed for ministry. Only men may be ordained, and bishops must be celibate monastics, while priests and deacons may be married before ordination.

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 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.