The Christian liturgical calendar, illustrating the cycle of seasons and key feast days throughout the year.

- The image displays a circular calendar divided into months and liturgical seasons.
- The outer ring lists the months from January to December in clockwise order.
- The inner circle is segmented into major Christian liturgical seasons: Advent, Christmas, Epiphany, Lent, Easter, Ascension, Pentecost Sunday, and Pentecost.
- The green sections represent Ordinary Time (Pentecost season), which spans most of the year outside the major seasons.
- The purple sections represent Advent and Lent, periods of preparation and penance.
- The red section represents Pentecost Sunday, marking the descent of the Holy Spirit.
- The white sections represent Christmas, Epiphany, and Easter, celebrating key events in the life of Christ.
- The dashed line indicates the position of Ascension, which occurs 40 days after Easter.
- The diagram visually organizes the liturgical year according to the Western Christian tradition.