The tax collector called by Christ to be an apostle and evangelist. Celebrated on November 16th, Matthew wrote the Gospel that emphasizes Christ as the fulfillment of Old Testament prophecy. His calling from the tax booth demonstrates God's grace in transforming lives. He's patron of accountants and tax collectors.

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 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 joint commemoration of the two great apostles: Peter, the leader of the Twelve, and Paul, the Apostle to the Gentiles. Celebrated on June 29th after the Apostles' Fast, this feast honors both their ministries and their martyrdom in Rome. Though different in background, both were instrumental in establishing the early Church.

The fiery Old Testament prophet who defended monotheism against Baal worship and was taken up to heaven in a chariot of fire. Celebrated on July 20th, Prophet Elijah represents zealous faith and God's power over false gods. His appearance at the Transfiguration alongside Moses shows his continued importance in Christian revelation.

The ceremonial procession of the Holy Cross on August 1st, traditionally marking the beginning of the Dormition Fast. This feast involves carrying the Cross in procession for veneration and blessing. It serves as spiritual preparation for the Dormition feast and emphasizes the Cross as our protection and source of strength.