One of the twelve apostles, called directly by Jesus in Galilee. Celebrated on November 14th, Philip brought Nathanael to Christ and questioned Jesus about feeding the five thousand. He preached in Asia Minor and was martyred in Hierapolis. He represents thoughtful faith and bringing others to encounter Christ.

The 14th-century Archbishop of Thessalonica who defended hesychast spirituality and taught about the uncreated energies of God. Celebrated on the Second Sunday of Lent, Palamas developed theological foundations for mystical prayer and the Jesus Prayer tradition. His teachings on theosis (deification) are central to Orthodox spiritual life.

The descent of the Holy Spirit upon the Apostles fifty days after Pascha, marking the full revelation of the Holy Trinity and the beginning of the Church's mission in the world. During Vespers, special kneeling prayers are offered and the church is adorned with greenery. This feast celebrates the completion of Christ's saving work and the outpouring of the Holy Spirit upon all believers. From this day forward, the Sundays of the year are numbered from Pentecost, signifying the continual life and growth of the Church in the grace of the Spirit.

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.