Holy day
# Holy day

Holy day refers to a religious commemorative day or festival:

* Liturgical year, determines when feast days, including celebrations of saints, are to be observed
* List of movable Eastern Christian observances
* List of movable Western Christian observances
* Holy day of obligation, in Catholicism, days on which the faithful are expected to attend Mass
* Festival (Anglicanism), a type of observance in the Churches of the Anglican Communion
* List of Hindu festivals
* Buddhist holidays
* Islamic holidays
* Jewish holidays
* Heathen holidays, in Neopaganism
* Zoroastrian festivals
