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 Archbishop of Caesarea and one of the Three Holy Hierarchs, defender of Orthodox theology against Arianism. Celebrated on January 1st, Basil wrote the Divine Liturgy bearing his name and established principles of monasticism. His work on the Trinity and pastoral care shaped Orthodox theology and practice for centuries.

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 beloved Russian hermit and mystic known for his joy and spiritual wisdom. Celebrated on January 2nd, Seraphim spent years in solitude before becoming a spiritual father to thousands. His greeting 'My joy!' and teaching that the purpose of Christian life is acquiring the Holy Spirit inspired countless believers. He represents the mystical tradition of Orthodox spirituality.

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 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.

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.

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 evangelist who wrote the shortest Gospel, emphasizing Christ's divine power through miracles. Celebrated on April 25th, Mark was a companion of both Peter and Paul. He founded the Church in Alexandria and is patron of Venice. His Gospel, likely the first written, served as a source for Matthew and Luke.

The 18th-century 'fool for Christ' who lived in radical poverty and simplicity. Celebrated on January 24th, Xenia gave away her possessions after her husband's death and lived as a holy fool, helping others while appearing mad to the world. She represents the path of voluntary poverty and the wisdom hidden in apparent foolishness.

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.