The Anarchy of King Stephen
Holidays, Quarter Days and Feast Days
The medieval church recognized many Saints’ days, but not all of the Saints had holidays in their honor.
The Quarter Days are Easter (25 March or so), Midsummer Day (21 June), Michaelmas (29 September) and Christmas (25 December). The Cross-Quarter days are Candlemas (2 February), May Day (1 May), Lammas (1 August) and All Saints’ Day (1 November). Other important dates would be the Ennunciation (6 January) and Ash Wednesday (in February, forty days before Easter).
There was no concept of a “weekend” in the Middle Ages. Working on Sunday was strongly frowned upon, but peasants and crofters would be at work the other six days of the week.