The document provides information about the differences between the civil calendar and the liturgical calendar used by the Catholic Church. Some key differences include:
- The civil calendar has fixed dates for holidays while the liturgical calendar has movable dates determined in relation to Easter.
- The liturgical calendar divides the year into seasons like Advent, Christmas, Lent, and Easter while the civil calendar divides the year into 12 months.
- Important feasts in the liturgical calendar like Easter are determined based on the lunar calendar and can fall on different dates each year.