June 30 - Eastern Orthodox Church calendar - July 2

All fixed commemorations below are celebrated on July 14 by Old Calendar.^{[note 1]}

For July 1st, Orthodox Churches on the Old Calendar commemorate the Saints listed on June 18.

• Holy and Wonderworking Unmercenaries Cosmas and Damian of Rome, brothers (284)^{[1][2][3][note 2]}
• Saint Potitus od Gargara, martyr (2nd century)^[4][5]
• Holy 2000 Martyrs, by the sword.^{[6][note 3]}
• Holy 25 Martyrs in Nicomedia, by fire.^[1][8]
• Saint Maurice.^{[9][note 4]}
• Venerable Peter the Patrician (Peter of Constantinople), monk (854)^[1][11][12]
• Venerable Basil, founder of the Monastery of the Deep Stream, Cappadocia (10th century)^{[1][13][note 5]}
• Saint Leo the Hermit, Ascetic.^{[14][note 6]}

• Saint Martin of Vienne, third Bishop of Vienne in France (c. 132)^{[15][note 7]}
• Martyr Potitus at Naples (161)^[1][17] (see also: January 13)
• Martyrs Julius and Aaron, Protomartyrs of Wales, suffered in Caerleon-on-Usk under Diocletian (304)^{[1][15][18][note 8]}
• Saints Castus and Secundinus, much venerated in the south of Italy; they were born in Sinuessa (Mondragone) near Caserta (305)^{[15][19][note 9]}
• Saint Domitian (c. 337-440)^{[15][note 10][note 11]}
• Saint Theodoric (Thierry, Theodericus), Abbot of Mont d'Or near Rheims in the north of France; priest and disciple of the blessed Bishop Remigius (c. 533)^{[15][20][note 12]}
• Saint Carilefus (Calais), a companion of St Avitus, founded the monastery of Anisole in Maine in France (c. 536)^[15][21]
• Saint Gal I (Gallus of Clermont), Bishop of Clermont, uncle and teacher of St Gregory of Tours (c. 553)^{[1][15][16][22]}
• Saint Leonorius (Léonor, Lunaire) (c. 570)^{[15][23][24][25][26][note 13]}
• Saint Eparchius (Cybar), born in a noble family in Périgord in France, he renounced his title to become a monk at Sessac in Gaul (581)^{[1][15][27][note 14]}
• Saint Serf (Servanus), the Apostle of West Fife in East Scotland, who reposed and was buried in Culross (c. 583)^{[1][15][28][29]}
• Saint Veep ((Veepus, Veepy, Wimp, Wennapa), patron saint of St Veep in Cornwall (6th century)^[15]
• Saint Cewydd, a saint of Anglesey in Wales and at Lancaut in Gloucestershire in England (6th century)^[15]
• Saint Juthwara, sister of St. Sidwell; she was of British descent and lived in Devon in England (7th century)^[15]

• Martyr Constantine of Cyprus (Constantine of Allemagne), Wonderworker, and those with him (late 12th century)^{[1][30][note 15]}
• Venerable Leontius of Rădăuți, Bishop of Rădăuți in Moldavia (1432)^[1][31]
• Saint Angelina (Branković), Despotina of Serbia (16th century)^{[1][32][note 16]}

• Valaam Icon of the Mother of God^[35]
• Second translation of the relics of Venerable John of Rila (946), from Veliko Tarnovo to Rila (1470)^[1][36]
• Repose of Fool-for-Christ Asenetha (Menshutkina) of Goritsy (1877)^[37]
• Synaxis of the Saints of Crete.^[38] ( On the first Sunday between July 1–7 )

• Holy Wonderworking Unmercenary Physicians Cosmas and Damian at Rome (Russian icon, 15th century).
• "The Martyrdom of Saint Maurice" by El Greco, 1580-82.
• St. Angelina of Serbia, Despotina of Serbia.
• The tomb of John of Rila, near Rila Monastery.