A perpetual calendar display device for displaying the calendar date. The perpetual calendar display device includes a calendar housing having a front wall, a rear wall, a top wall, a bottom wall and side walls for forming a first interior compartment. The front wall includes eight (8) elongated vertical spaced-apart strips each having side edges for forming seven (7) elongated vertical spaced-apart display openings. The first interior compartment having mounted therein seven spaced-apart rotatable columns. Each of the rotatable columns includes six (6) vertically spaced-apart display areas, and each of the display areas having up to seven (7) display positions forming a total of at least thirty-seven (37) display positions. Each of the thirty-seven (37) display positions having a number thereon corresponding to the date of a selected month; and the of the thirty-seven (37) display positions being movable into or out of display openings for displaying all of the dates for the selected month. Each of the display windows are for receiving one of the display positions for displaying one of the dates of the selected month.