Orthodox calendar 1900

Orthodox calendar (Russian Orthodox Church) with feasts and fasts for years from 1900 to 2099 (perpetual calendar). Works offline.
Beginning of Great Lent - 05.03.1900, Pascha - 22.04.1900, Pentecost - 10.06.1900.
Select the year: 1901
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Notes

  1. How Easter is calculated
  2. Orthodox feasts: immovable and movable
  3. Days of the remembrance of the departed
  4. Orthodox fast

  1. Easter is calculated using Gauss formula. a = [(19 * [Y / 19] + 15) / 30], where Y - year, [] - residue of division;
    b = [(2 * [Y / 4] + 4 * [Y / 7] + 6 * a + 6) / 7];
    If (a + b) > 10 then Easter is (a + b - 9) of April (old calendar) else (22 + a + b) of March (old calendar). Thus the date of Easter can be from 22.03 to 25.04 (old calendar) or from 04.04 to 08.05 (new calendar).

  2. Feasts are set off with red color.
    Immovable feasts:
    07.01 - Nativity of Christ (12 great feasts)
    14.01 - Circumcision of Christ (great feast)
    19.01 - Theophany. Baptism of Christ (12 great feasts)
    15.02 - Presentation of Christ (12 great feasts)
    07.04 - Annunciation (12 great feasts)
    21.05 - John the Theologian
    22.05 - St. Nicolas the Miracle-Worker
    07.07 - Nativity of St. John the Forerunner (great feast)
    12.07 - Apostles Peter and Paul (great feast)
    19.08 - Transfiguration of Jesus Christ (12 great feasts)
    28.08 - Dormition of the Theotokos (12 great feasts)
    11.09 - Beheading of St. John the Forerunner (great feast)
    21.09 - Nativity of the Theotokos (12 great feasts)
    27.09 - Elevation of the Holy Cross (12 great feasts)
    09.10 - John the Theologian
    14.10 - Protection of the Theotokos (great feast)
    04.12 - Presentation of the Theotokos (12 great feasts)
    19.12 - St. Nicolas the Miracle-Worker

    Movable feasts:
    04.02.1900 - Synaxis of new Russian martyrs
    04.02.1900 - Sunday of Zaccheus
    11.02.1900 - Sunday of the Publican and Pharisee
    18.02.1900 - Sunday of the Prodigal Son
    25.02.1900 - Sunday of the Last Judgment
    04.03.1900 - Sunday of Forgiveness. Expulsion of Adam and Eve from Paradise
    11.03.1900 - Sunday of Orthodoxy
    18.03.1900 - Sunday of St. Gregory Palamas
    25.03.1900 - Sunday of the Holy Cross
    01.04.1900 - Sunday of St. John Climacus
    08.04.1900 - Sunday of St. Mary of Egypt
    14.04.1900 - Lazarus Saturday
    15.04.1900 - Palm Sunday (12 great feasts)
    16.04.1900 - Holy Monday
    17.04.1900 - Holy Tuesday
    18.04.1900 - Holy Wednesday
    19.04.1900 - Holy Thursday. Last Supper
    20.04.1900 - Holy Friday. Crucifixion of Christ
    21.04.1900 - Holy Saturday. Christ's descent into Hades
    22.04.1900 - Resurrection of the Lord. Pascha
    29.04.1900 - Sunday of St. Thomas. Antipascha
    06.05.1900 - Sunday of Myrrh-bearing Women
    13.05.1900 - Sunday of the Paralytic
    20.05.1900 - Sunday of the Samaritan Woman
    27.05.1900 - Sunday of the Blind Man
    31.05.1900 - Ascension of Christ (12 great feasts)
    03.06.1900 - Sunday of the Fathers of the First Ecumenical Council
    10.06.1900 - Pentecost (12 great feasts)
    11.06.1900 - Day of the Holy Spirit
    17.06.1900 - Sunday of all Saints
    24.06.1900 - Sunday of all Russian Saints

  3. Days of the remembrance of the departed are set off in back color.
    24.02.1900 - Paternal Saturday
    17.03.1900 - Paternal Saturday
    24.03.1900 - Paternal Saturday
    31.03.1900 - Paternal Saturday
    01.05.1900 - Day of Rejoicing
    09.06.1900 - Paternal Saturday
    09.05 - Remembrance of the departed soldiers
    03.11.1900 - Demetrius (Parental) Saturday

  4. Fast days are set off in background colors.
    05.03.1900 - 21.04.1900 - the Great Lent
    18.06.1900 - 11.07.1900 - the Apostles' Fast
    14.08 - 27.08 - the Dormition Fast
    28.12 - 06.01 - the Nativity Fast

    Meat is excluded
    Fast
    Strict fast
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