Abstract: Disclosed are embodiments of a non-Julian calendar for informing a child in determining daily intervals preceding a date of significance. A preferred multilayer embodiment comprises a lower layer having a first top surface; an upper layer disposed above said lower layer and having a second top surface; a plurality of polygonal tabs formed in said upper layer, said tabs having a front surface and a back surface, said tabs being movable from a closed to an open position; a printed artistic design or image disposed on said second top surface; a plurality of printed unique designators disposed on said second top surface, one unique designator being located on the front surface of each tab, the printed unique designators functioning to define the order in which the tabs are to be opened; and a plurality of printed message/activity areas, one printed message/activity area being revealed by the movement of a tab from a closed position to an open position.