Greek Orthodox holy feast days include the Twelve Great Feasts, Clean Monday, Palm Sunday, Good Friday, and Greek Orthodox Easter (Pascha / Πάσχα). The Greek Orthodox ecclesiastical year begins in September with the Feast of the Nativity of the Theotokos, which celebrates the birth of the Virgin Mary, and ends in August with the Dormition of the Theotokos, which is Mary's transition to heaven.
Greek (Eastern) Orthodox Lent and Easter
- Lent: Clean Monday (Kathari Theftera / Καθαρά Δευτέρα): First Day of Lent is 7 weeks before Easter
- Palm Sunday: Sunday before Easter
- Good Friday (Megali Paraskevi): Friday before Easter
- Greek Orthodox Easter Sunday (Pascha / Πάσχα)
Twelve Greek Orthodox Great Feast Days
- Feast of the Nativity of the Theotokos
- Feast of the Exaltation of the Holy Cross
- Feast of the Entrance into the Temple of the Theotokos
- Feast of the Nativity of Jesus Christ
- Feast of the Holy Theophany (Epiphany)
- Presentation of Jesus Christ in the Temple
- Feast of the Annunciation of the Theotokos
- Orthodox Palm Sunday
- Feast of the Ascension of Jesus Christ
- Feast of the Holy Pentecost
- Feast of the Transfiguration of Jesus Christ
- Feast of the Dormition of the Theotokos