Abstract: An apparatus including a lid for surroundingly mounting an underlying container. The lid includes a recessed top surface to pivotally mount a first and second arm for indication of a month and associated day appearing on the lid in an annular array about the lid. A locking hub is provided at the axis of the arms, wherein the locking hub is provided with a scalloped lower terminal edge receivable within recesses mounted within the lid. A modification includes the hub formed with a "J" shaped shank receivable within a rectangular slot axially formed through the lid, wherein the shank is rotatable within the slot ninety degrees to depress an associated locking spring formed with edges to embed within the underlying container to securably lock the container to the lid.