Advent Calendar Length

Advent Calendar Length. The celebration of the birth of jesus. The more precise answer to the question posed above is that there are always four sundays of advent, but that the season of advent can be between three and four weeks long.

Advent calendars, though, are more consistent. An advent calendar starts with the first day, which is usually december 1st (if you have 24, 25 or 31 days advent calendar).