Abstract: A calendar, particularly an Advent calendar comprises a calendar part provided with a stair edge having stair steps which form respective day regions, a marking arranged to mark respective days, the stair steps and the markings being formed so that the marking can be consecutively arranged on the stair steps, and orienting means for orienting the calendar part so that the stair steps extend each in a substantially horizontal direction and are spaced from one another horizontally and upwardly.