>>11654
https://en.wikipedia.org/wiki/Holy_day_of_obligation
>In the Catholic Church, holy days of obligation (also called holydays, holidays, or days of obligation) are days on which the faithful are expected to attend Mass, and engage in rest from work and recreation, according to the Third Commandment.
https://en.wikipedia.org/wiki/Mortal_sin
>A mortal sin (Latin: peccatum mortale), in Catholic theology, is a gravely sinful act, which can lead to damnation if a person does not repent of the sin before death. A sin is considered to be "mortal" when its quality is such that it leads to a separation of that person from God's saving grace. The sins against the Holy Ghost and the sins that cry to Heaven for vengeance are considered especially serious.[1] This type of sin should be distinguished from a venial sin that simply leads to a weakening of a person's relationship with God. Despite its gravity, a person can repent of having committed a mortal sin. Such repentance is the primary requisite for forgiveness and absolution.[2]
https://en.wikipedia.org/wiki/Mortal_sin#Actions_constituting_grave_matter
>Missing Mass
>"[T]he faithful are obliged to participate in the Eucharist on days of obligation, unless excused for a serious reason (for example, illness, the care of infants) or dispensed by their own pastor. Those who deliberately fail in this obligation commit a grave sin."[47]
>"Even if in the earliest times [Mass attendance] was not judged necessary to be prescriptive, the Church has not ceased to confirm this obligation of conscience, which rises from the inner need felt so strongly by the Christians of the first centuries. It was only later, faced with the half-heartedness or negligence of some, that the Church had to make explicit the duty to attend Sunday Mass: more often than not, this was done in the form of exhortation…The present Code reiterates…saying that 'on Sundays and other holy days of obligation the faithful are bound to attend Mass'. This legislation has normally been understood as entailing a grave obligation."[48][49]
