May 2023
Russian Orthodox Church (Old Calendar)
- 1 Monday St John, disciple of St Gregory the Decapolite 18 April (Old Style)
- 2 Tuesday St John of the Ancient Caves 19 April (Old Style)
- 3 Wednesday St Theodore Trichinas 20 April (Old Style) · fast day
- 4 Thursday Hieromartyr Januarius and those with him 21 April (Old Style)
- 5 Friday St Theodore the Sykeote 22 April (Old Style) · fast day
- 6 Saturday Holy Great-martyr George the Trophy-bearer 23 April (Old Style)
- 7 Sunday Martyr Sabbas Stratelates 24 April (Old Style)
- 8 Monday Apostle and Evangelist Mark 25 April (Old Style)
- 9 Tuesday Hieromartyr Basil, Bishop of Amasea; St Stephen, Bishop of Great Perm 26 April (Old Style)
- 10 Wednesday Hieromartyr Simeon, kinsman of the Lord 27 April (Old Style) · fast day
- 11 Thursday Apostles Jason and Sosipater of the Seventy 28 April (Old Style)
- 12 Friday The Nine Martyrs of Cyzicus 29 April (Old Style) · fast day
- 13 Saturday Apostle James son of Zebedee; St Ignatius Brianchaninov 30 April (Old Style)
- 14 Sunday Prophet Jeremiah; St Paphnutius of Borovsk 1 May (Old Style)
- 15 Monday St Athanasius the Great; Translation of the relics of Sts Boris and Gleb 2 May (Old Style)
- 16 Tuesday Martyrs Timothy and Maura; St Theodosius of the Kiev Caves 3 May (Old Style)
- 17 Wednesday Martyr Pelagia of Tarsus 4 May (Old Style) · fast day
- 18 Thursday Great-martyr Irene 5 May (Old Style)
- 19 Friday Righteous Job the Long-suffering 6 May (Old Style) · fast day
- 20 Saturday Apparition of the Cross in the sky over Jerusalem (351); Martyr Acacius 7 May (Old Style)
- 21 Sunday Apostle and Evangelist John the Theologian; St Arsenius the Great 8 May (Old Style)
- 22 Monday Translation of the relics of St Nicholas from Myra to Bari 9 May (Old Style)
- 23 Tuesday Apostle Simon the Zealot 10 May (Old Style)
- 24 Wednesday Holy Equal-to-the-Apostles Methodius and Cyril, Teachers of the Slavs 11 May (Old Style) · fast day
- 25 Thursday Ascension of the Lord 12 May (Old Style)
- 26 Friday Martyr Glyceria 13 May (Old Style) · fast day
- 27 Saturday Martyr Isidore of Chios; Blessed Isidore the Fool-for-Christ of Rostov 14 May (Old Style)
- 28 Sunday St Pachomius the Great; Right-believing Tsarevich Dimitry of Uglich 15 May (Old Style)
- 29 Monday St Theodore the Sanctified; St Ephrem of Perekom 16 May (Old Style)
- 30 Tuesday Apostle Andronicus of the Seventy and St Junia 17 May (Old Style)
- 31 Wednesday Martyr Theodotus of Ancyra and the Seven Virgins 18 May (Old Style) · fast day
2023
Fasts this year
- Nativity FastNovember 28 – January 6
- Cheesefare WeekFebruary 20 – February 26
- Great LentFebruary 27 – April 7
- Lazarus Saturday and Palm SundayApril 8 – April 9
- Holy WeekApril 10 – April 15
- Apostles' FastJune 12 – July 11
- Dormition FastAugust 14 – August 27
- Nativity FastNovember 28 – January 6
Food rules are reference church information. Agree your personal measure of fasting with a priest; consult a doctor if you are ill.