https://en.wikipedia.org/wiki/Advent_calendar https://en.wikipedia.org/wiki/Advent_calendar Minimum one, sometimes two. (Also, Advent doesn't mean four weeks.

https://en.wikipedia.org/wiki/Advent_calendar https://en.wikipedia.org/wiki/Advent_calendar Minimum one, sometimes two. (Also, Advent doesn't mean four weeks. Christmas might fall on a Monday.)