- on a daily basis to commemorate the killing of the Holy Innocents. Variously held on 28th December inside west Church and 29th December within the Eastern Church. In Spanish speaking nations this is often a prank filled time like April Fools' Day.
- The popular name of Holy Innocents' day, a feast-day noticed in the Roman Catholic and Anglican churches regarding 28th of December in commemoration of this slaughter associated with the children in and near Bethlehem by order of Herod immediately after the beginning of Christ, as narrated in Mat. ii. 16-18. Also Childermas day.