ALL SAINTS DAY: Solemnity celebrated on the first of November. It is instituted to honour all the saints, known and unknown, and, according to Urban IV, to supply any deficiencies in the faithful's celebration of saints' feasts during the year.
ALL SOULS DAY: The commemoration of all the faithful departed is celebrated by the Church on 2 November, or, if this be a Sunday or a solemnity, on 3 November. The Office of the Dead must be recited by the clergy and all the Masses are to be of Requiem, except one of the current feast, where this is of obligation.
All definitions per the CATHOLIC ENCYCLOPEDIA
And if we're going to dedicate an entire day to soul, I can't think of any better representation that Mr. Bill Withers. Let's lean on him for today's shot of cool.
