| A | B |
| Liturgical calendar | begins the first Sunday of Advent |
| Season of Advent | 4-7 Sundays before Christmas |
| Season of Advent | themes of expectation and joy are emphasized |
| Christmas Day | December 25 |
| Christmas Day | Clebration of the birth of Jesus of Nazareth |
| Epiphany | January 6 |
| Epiphany | Day that Orthodox Christians celebrate Jesus' baptism |
| Epiphany | Day Catholic, Anglican, and other Christians celebrate the magi's visit to the child Jesus and Jesus' maifestation to the Gentiles |
| Season of Christmas | Last from Christmas until mid January |
| Ordinary Time | Period that lasts from the end of Christmas Season until Lent |
| World Religions' Day | observed in January, Christians and peoples of other faiths celebrate the good in the world's religions. People mark the day by praying and meditating |
| Feast Day of the Three Hierarchs | January 30th |
| Feast of the Three Hierarchs | Day Orthodox Christians celebrate the contributions of Saint Basil the Great, Saint Gregory of Nazianzus and Saint John Chrysostom. All were Greek (Eastern) Church Fathers. |
| Pre- Lent | 4 Sundays immediately preceding Great Lent |
| Pre-Lent | The Publican and the Pharisee, the prodigal son, Meatfare Sunday, Cheesefare Sunday |
| Lent or Great Lent | 6-8 weeks preceding Easter |
| Lent or Great Lent | Time during which Christians try to live up to their baptism by fasting, giving to those in need and praying |
| Lazarus Saturday | Saturday before Palm Sunday |
| Lazrus Saturday | On this day Orthodox Christians celebrate Jesus' raising of Lazarus from the dead because he was a friend of Jesus |
| Palm Sunday | aka Passion Sunday |
| Palm Sunday or Passion Sunday | Christian commemoration of Jesus' final entry into Jerusalem. |
| Palm Sunday or Passion Sunday | Day in which the New Testament Passion is read and blessed palm branches are distributed |
| Palm Sunday | This day marks the beginning of Holy Week |
| The Triduum | Maundy or Holy Thursday, Good Friday, Holy Saturday |
| The Triduum | 3 days observed by Eastern, Orthodox, Roman Catholic and some Protestant churches |
| Good Friday | Day that commemorates the saving death of Jesus |
| Holy Saturday | The day after Good Friday |
| Holy Saturday | Day the Easter Vigil is celebrated in Christian Churches |
| Holy Saturday | celebrration includes the baptism of infants and adults and the blessing of the paschal (Easter) candle and of water intended for use as holy water and for baptisms |
| Easter Sunday | Aka Holy Pascha |
| Easter Sunday | fist Sunday after the full moon following the vernal equinox; between March 22 and April 25 |
| Easter Sunday or Holy Pascha | Day that celebrates the resurrection of Jesus of Nazareth |
| Season of Easter | the tiime between Easter and Pentecost |
| Ascension Thursday | 40th day after Easter |
| Ascension Thursday | commemorates the ascension of jesus (his return to heaven in glory) |
| World Day of Prayer | Day in March where Christians and other faiths pray for solutions to the world's problems. |
| Pentecost | Celebration of the coming of the Holy Spirit |
| First Pentecost | marked the formal creation of the Christian Church |
| Pentecost | 50 days after Easter |
| Ordinary Time | Time after Pentecost until the end of the liturgical year in November |
| Transfiguration | August 6 |
| Transfiguration | Day many Christians celebrate Jesus' transfiguration |
| Assumption of mary | AKA Dormition of the Theotokos |
| Assumption of Mary | August 15 |
| Assumption of mary | Orthodox Christians honor Mary on this day as the "God-bearer" or Theotokos |
| Holy Cross Day | September 14 |
| Holy Cross Day | On this day, Eastern, Orthodox, Catholic, and Anglican Christians mark the discovery of the true cross on which Jesus died |
| Holy Cross Day | Aka Adoration, Elevation, or Exaltation of the Holy Cross |
| All Saints' Day | November 1 |
| All Saints' Day | Catholic and Anglicann Christians rejoice in the blessedness of saints known and unknown |
| Feast Day of Saint Andrew the Apostle | November 30 |
| Feast Day of St. Andrew the Apostle | Day celebrated by Greek Orthodox because the Apostle Andrew established the Church of Constanttinople. |