Abstract: A yearly calendar with multi layered structure is disclosed consisting of fundamentally identical single-faced and/or fundamentally identical double-faced sub-calendars corresponding to different periods of the year and assembled in chronological order.In abstract a preferred embodiment is a single-faced sub-calendar comprising a base and a frame which are flat boards attached together along one edge, a screen layer, a picture layer and a top layer consisting of plurality of separate planar sub-elements and removably affixed to one face of the base in definite order. All the layers are consecutively detached and discarded or relocated upon their designated function. The top layer consist of plurality of separate planar parts creating table of time. The picture layer consist of plurality of located in random order planar portions gradually collated in the frame. The screen consist of plurality of separate planar plates temporarily concealing fragments of messages enclosed on the base.