Eastern Orthodox liturgical days

Tatiana day (Russian: Татьянин день, Tatyanin den' ) is a Russian religious holiday observed on 25 January according to the Gregorian calendar, January 12 according to the Julian.

Good Friday is a Christian religious holiday commemorating the crucifixion of Jesus Christ and his death at Calvary.

Maslenitsa (Russian: Ма́сленица, Ukrainian: Масниця, Belarusian: Масьленіца, also known as Butter Week, Crepe week, or Cheesefare Week), is an Eastern Slavic religious and folk holiday, celebrated during the last week before Great Lent, that is, the eighth week before Eastern Orthodox Pascha (Easter).

Mid-Pentecost or Midfeast, also Meso-Pentecost (from Greek: Μεσοπεντηκοστή); Russian: Преполове́ние Пятидеся́тницы is a feast day which occurs during the Paschal season in the Eastern Orthodox Church and those Eastern Catholic Churches which follow the Byzantine Rite.

In Christianity, All Souls' Day commemorates the faithful departed, in particular (but not exclusively) one's relatives.

Holy Week (Latin: Hebdomas Sancta or Hebdomas Maior, "Greater Week"; Greek: Ἁγία καὶ Μεγάλη Ἑβδομάς, Hagia kai Megale Hebdomas, "Holy and Great Week") in Christianity is the week just before Easter.

Maundy Thursday (also known as Holy Thursday, Covenant Thursday, Great and Holy Thursday, Sheer Thursday, and Thursday of Mysteries) is the Christian holy day falling on the Thursday before Easter.

(Not to be confused with Feast of the Conversion of Saint Paul.) The Feast of Saints Peter and Paul or Solemnity of Saints Peter and Paul is a liturgical feast in honour of the martyrdom in Rome of the apostles Saint Peter and Saint Paul, which is observed on 29 June.

The Twelve Days of Christmas, also known as Twelvetide, is a festive Christian season to celebrate the nativity of Jesus.

Quinquagesima is one of the names used in the Western Church for the Sunday before Ash Wednesday.

The Savior of the Apple Feast Day (sometimes the Saviour on the Hill) is an Eastern Slavic folk holiday, which is observed on August 19, falling on the Feast of the Transfiguration.

Clean Monday (Greek: Καθαρά Δευτέρα), also known as Pure Monday, Ash Monday, Monday of Lent or Green Monday, is the first day of Great Lent in the Eastern Orthodox Christian, Saint Thomas Christians of India and Eastern Catholic churches.

Saint George's Day (Serbian: Đurđevdan, Ђурђевдан pronounced [ˈdʑûːrdʑeʋdaːn], Bulgarian Gergyovden, Macedonian Gjurgjuvden, Russian Его́рий Ве́шний Yegoriy Veshniy "George's [day] in spring") is a Slavic religious holiday, the feast of Saint George celebrated on 23 April by the Julian calendar (6 May by the Gregorian calendar).

Saint George's Day of Autumn (Russian: Егорий Осенний Egoriy Osenniy; also just Юрьев день Yuriev den' "George's day"; Serbian: Ђурђиц Dzhurdzhith) is one of two feasts of Saint George, celebrated on 26 November by the Russian Orthodox Church, the other being Saint George's Day of Spring (6 May).

Lent (Latin: Quadragesima: Fortieth) is a solemn religious observance in the liturgical calendar that begins on Ash Wednesday and ends approximately six weeks later, before Easter Sunday.

Easter Saturday, on the Christian calendar, is the Saturday following the festival of Easter, the Saturday of Easter or Bright Week.

The Paschal cycle in the Eastern and Oriental Orthodox Churches, is the cycle of the moveable feasts built around Pascha (Easter).

The Elevation of the Holy Cross (also known as the Exaltation of the Holy Cross) is one of the Great Feasts of the Orthodox Church, celebrated on September 14, which corresponds to September 27 on the Gregorian calendar.

The history of the Orthodox Church is traced back to Jesus Christ and the Apostles.