The 19th-century bishop and spiritual writer who translated patristic texts and guided many souls. Celebrated on January 10th, Theophan became a hermit after serving as bishop and devoted himself to prayer and writing. His letters on spiritual life and translations of the Philokalia made patristic wisdom accessible to laypeople. He represents scholarly monasticism and spiritual direction.

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 13th-century prince-monk who became the first Archbishop of Serbia and organized the Serbian Orthodox Church. Celebrated on January 27th, Sava established monasteries, schools, and hospitals throughout Serbia. He obtained autocephaly for the Serbian Church from Constantinople and wrote the first Serbian constitution. He represents national and ecclesiastical independence through Orthodox faith.

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.