May 2026
Russian Orthodox Church (Old Calendar)
- 1 Friday St John, disciple of St Gregory the Decapolite 18 April (Old Style) · fast day
- 2 Saturday St John of the Ancient Caves 19 April (Old Style)
- 3 Sunday St Theodore Trichinas 20 April (Old Style)
- 4 Monday Hieromartyr Januarius and those with him 21 April (Old Style)
- 5 Tuesday St Theodore the Sykeote 22 April (Old Style)
- 6 Wednesday Holy Great-martyr George the Trophy-bearer 23 April (Old Style) · fast day
- 7 Thursday Martyr Sabbas Stratelates 24 April (Old Style)
- 8 Friday Apostle and Evangelist Mark 25 April (Old Style) · fast day
- 9 Saturday Hieromartyr Basil, Bishop of Amasea; St Stephen, Bishop of Great Perm 26 April (Old Style)
- 10 Sunday Hieromartyr Simeon, kinsman of the Lord 27 April (Old Style)
- 11 Monday Apostles Jason and Sosipater of the Seventy 28 April (Old Style)
- 12 Tuesday The Nine Martyrs of Cyzicus 29 April (Old Style)
- 13 Wednesday Apostle James son of Zebedee; St Ignatius Brianchaninov 30 April (Old Style) · fast day
- 14 Thursday Prophet Jeremiah; St Paphnutius of Borovsk 1 May (Old Style)
- 15 Friday St Athanasius the Great; Translation of the relics of Sts Boris and Gleb 2 May (Old Style) · fast day
- 16 Saturday Martyrs Timothy and Maura; St Theodosius of the Kiev Caves 3 May (Old Style)
- 17 Sunday Martyr Pelagia of Tarsus 4 May (Old Style)
- 18 Monday Great-martyr Irene 5 May (Old Style)
- 19 Tuesday Righteous Job the Long-suffering 6 May (Old Style)
- 20 Wednesday Apparition of the Cross in the sky over Jerusalem (351); Martyr Acacius 7 May (Old Style) · fast day
- 21 Thursday Ascension of the Lord 8 May (Old Style)
- 22 Friday Translation of the relics of St Nicholas from Myra to Bari 9 May (Old Style) · fast day
- 23 Saturday Apostle Simon the Zealot 10 May (Old Style)
- 24 Sunday Holy Equal-to-the-Apostles Methodius and Cyril, Teachers of the Slavs 11 May (Old Style)
- 25 Monday Sts Epiphanius of Cyprus and Germanus, Patriarch of Constantinople 12 May (Old Style)
- 26 Tuesday Martyr Glyceria 13 May (Old Style)
- 27 Wednesday Martyr Isidore of Chios; Blessed Isidore the Fool-for-Christ of Rostov 14 May (Old Style) · fast day
- 28 Thursday St Pachomius the Great; Right-believing Tsarevich Dimitry of Uglich 15 May (Old Style)
- 29 Friday St Theodore the Sanctified; St Ephrem of Perekom 16 May (Old Style) · fast day
- 30 Saturday Trinity Memorial Saturday 17 May (Old Style)
- 31 Sunday Holy Pentecost. Trinity Sunday 18 May (Old Style)
2026
Fasts this year
- Nativity FastNovember 28 – January 6
- Cheesefare WeekFebruary 16 – February 22
- Great LentFebruary 23 – April 3
- Lazarus Saturday and Palm SundayApril 4 – April 5
- Holy WeekApril 6 – April 11
- Apostles' FastJune 8 – 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.