The liturgical year is made up of six seasons:

• Advent - four weeks of preparation before the celebration of Jesus' birth

• Christmas - recalling the Nativity of Jesus Christ and his manifestation to the peoples of the world

• Lent - a six-week period of penance before Easter

• Sacred Paschal Triduum - the holiest "Three Days" of the Church' year, where the Christian people recall the suffering, death, and resurrection of Jesus

• Easter - 50 days of joyful celebration of the Lord's resurrection from the dead and his sending forth of the Holy Spirit

• Ordinary Time - divided into two sections (one span of 4-8 weeks after Christmas Time and another lasting about six months after Easter Time), wherein the faithful consider the fullness of Jesus' teachings and works among his people

 
 
(Information from the United States Conference of Catholic Bishops)