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.

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 4th-century apostle to Georgia who converted the Georgian kingdom to Christianity. Celebrated on January 14th, Nina was a Cappadocian woman who brought the Gospel to Georgia through her preaching and miracles. She convinced the royal family to convert, leading to Georgia becoming the second nation to officially adopt Christianity. She represents successful missionary work and women's apostolic ministry.