thumb|The [[Eastern Orthodox Church|Eastern Orthodox cross]]
July 27 - Eastern Orthodox Church calendar - July 29
All fixed commemorations below are celebrated on August 10 by Old Calendar.
For July 28th, Orthodox Churches on the Old Calendar commemorate the Saints listed on July 15.
Saints
- Holy Apostles of the Seventy and Deacons (1st century):
:* Prochorus, Nicanor, Timon, and Parmenas.
- Martyr Julian of Dalmatia (c. 138-161)
- Martyr Eustathius the Soldier, of Ancyra (c. 316)
- Martyr Acacius of Miletus (c. 321)
