thumb|The [[Eastern Orthodox Church|Eastern Orthodox cross]]
July 18 - Eastern Orthodox Church calendar - July 20
All fixed commemorations below are celebrated on August 1 by Old Calendar.
For July 19th, Orthodox Churches on the Old Calendar commemorate the Saints listed on July 6.
Saints
- Venerable Abba Diocles of the Thebaid (4th century)
- Venerable Macrina the Younger, sister of Saints Basil the Great and Gregory of Nyssa (380)
- Venerable Dius of Antioch, Abbot, Wonderworker (c. 430)
- The Venerable 4 (or 40) fellow ascetics.
- Saint Gregory of Panedus, Bishop of Panedus, New Confessor for the holy icons’ sake.
- Venerable Theodore the Sabbaite, Archbishop of Edessa in Mesopotamia (848) <small>(see also: July 9)</small>
- Venerable Michael, ascetic at the Holy Lavra of Saint Sabbas and the nephew of Venerable Theodore the Sabbaite the Bishop of Edessa.
Pre-Schism Western saints
- Saint Martin of Trier, tenth Bishop of Trier in Germany and possibly a martyr (c. 210)
