Abstract: An improved calendar unit which has removable and shiftable pieces representing the months of the year and the days of the week as well as the weeks of the month. The calendar unit has a panel with portions defining first, second, third and fourth recesses. The first recess receives pieces or bars with the months of the year printed on them. A second recess receives one of the bars depending upon the month of the year in which the calendar unit is being used. In a third recess, pieces having numerals printed on them represent the days of the week and the days of the month. Several pieces are blank on the reverse sides so that they can blank out numerals used during those months having less than thirty-one days. In fourth recesses, members which have artwork printed thereon are inserted on the panel. These members represent the seasons of the year and provide an aesthetic effect for the calendar unit.