The commemoration of the finding of Christ's Cross by St. Helena and its elevation by St. Macarius for veneration. Celebrated on September 14th, this feast is both joyful (for the Cross's discovery) and solemn (remembering Christ's suffering). Flowers and basil are often blessed, and a strict fast is observed.

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.

A service of prayer and supplication for specific intentions, often requesting divine help or giving thanks. Molebens can be offered for various needs: healing, safe travel, blessing of homes, or thanksgiving for answered prayers. These services demonstrate the Orthodox understanding that all aspects of life can be brought before God in prayer and that divine help is available for every human need.

The Orthodox service for the departed, commending the soul to God and celebrating the hope of resurrection. The funeral includes psalms, hymns of rest and comfort, scripture readings including the Beatitudes, and the "Last Kiss" when mourners venerate the departed. The service emphasizes that death is not the end but a passage to eternal life. Unlike memorial services, the funeral is celebrated only once, at the time of death. The Orthodox view death with both sorrow and hope, trusting in Christ's victory over death.

The evening prayer service of the Orthodox Church, traditionally celebrated at sunset. Vespers includes psalms, hymns, scripture readings, and incense. On Saturday evenings, Great Vespers is often combined with the Sunday Divine Liturgy. The service marks the end of the liturgical day and prepares the faithful for rest and reflection.

The commemoration of the Virgin Mary's miraculous appearance in Constantinople, when she spread her veil over the praying Christians to protect them from enemies. Celebrated on October 1st, this feast is especially beloved in Slavic Orthodox churches. It emphasizes the Theotokos's continuing intercession and protection of the faithful.

The physician and evangelist who wrote the Gospel of Luke and Acts of the Apostles. Celebrated on October 18th, Luke was a companion of Paul and is patron of doctors and artists. His Gospel emphasizes Christ's compassion for the poor and outcast. He's traditionally credited with painting the first icon of the Theotokos.