May 2027
Russian Orthodox Church (Old Calendar)
- 1 Saturday Great and Holy Saturday 18 April (Old Style) · fast day
- 2 Sunday Pascha. The Bright Resurrection of Christ 19 April (Old Style)
- 3 Monday Bright Monday 20 April (Old Style)
- 4 Tuesday Bright Tuesday. Iveron Icon of the Theotokos 21 April (Old Style)
- 5 Wednesday St Theodore the Sykeote 22 April (Old Style)
- 6 Thursday Holy Great-martyr George the Trophy-bearer 23 April (Old Style)
- 7 Friday Martyr Sabbas Stratelates 24 April (Old Style)
- 8 Saturday Apostle and Evangelist Mark 25 April (Old Style)
- 9 Sunday Hieromartyr Basil, Bishop of Amasea; St Stephen, Bishop of Great Perm 26 April (Old Style)
- 10 Monday Hieromartyr Simeon, kinsman of the Lord 27 April (Old Style)
- 11 Tuesday Radonitsa. Paschal commemoration of the departed 28 April (Old Style)
- 12 Wednesday The Nine Martyrs of Cyzicus 29 April (Old Style) · fast day
- 13 Thursday Apostle James son of Zebedee; St Ignatius Brianchaninov 30 April (Old Style)
- 14 Friday Prophet Jeremiah; St Paphnutius of Borovsk 1 May (Old Style) · fast day
- 15 Saturday St Athanasius the Great; Translation of the relics of Sts Boris and Gleb 2 May (Old Style)
- 16 Sunday Martyrs Timothy and Maura; St Theodosius of the Kiev Caves 3 May (Old Style)
- 17 Monday Martyr Pelagia of Tarsus 4 May (Old Style)
- 18 Tuesday Great-martyr Irene 5 May (Old Style)
- 19 Wednesday Righteous Job the Long-suffering 6 May (Old Style) · fast day
- 20 Thursday Apparition of the Cross in the sky over Jerusalem (351); Martyr Acacius 7 May (Old Style)
- 21 Friday Apostle and Evangelist John the Theologian; St Arsenius the Great 8 May (Old Style) · fast day
- 22 Saturday Translation of the relics of St Nicholas from Myra to Bari 9 May (Old Style)
- 23 Sunday Apostle Simon the Zealot 10 May (Old Style)
- 24 Monday Holy Equal-to-the-Apostles Methodius and Cyril, Teachers of the Slavs 11 May (Old Style)
- 25 Tuesday Sts Epiphanius of Cyprus and Germanus, Patriarch of Constantinople 12 May (Old Style)
- 26 Wednesday Martyr Glyceria 13 May (Old Style) · fast day
- 27 Thursday Martyr Isidore of Chios; Blessed Isidore the Fool-for-Christ of Rostov 14 May (Old Style)
- 28 Friday St Pachomius the Great; Right-believing Tsarevich Dimitry of Uglich 15 May (Old Style) · fast day
- 29 Saturday St Theodore the Sanctified; St Ephrem of Perekom 16 May (Old Style)
- 30 Sunday Apostle Andronicus of the Seventy and St Junia 17 May (Old Style)
- 31 Monday Martyr Theodotus of Ancyra and the Seven Virgins 18 May (Old Style)
2027
Fasts this year
- Nativity FastNovember 28 – January 6
- Cheesefare WeekMarch 8 – March 14
- Great LentMarch 15 – April 23
- Lazarus Saturday and Palm SundayApril 24 – April 25
- Holy WeekApril 26 – May 1
- Apostles' FastJune 28 – 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.