Abstract: A teaching clock with removable repositionable pieces for representing different periods of time including a housing having an interior and an opening for allowing access to the interior; a timing mechanism disposed within the interior of the housing for keeping track of a current hour of a day; a dial face plate extended over the timing mechanism of the housing; an hour hand coupled to the timing mechanism, disposed over the dial face plate, and rotatable relative to the dial face plate for indicating the current hour; a plurality of different-sized and generally pie-shaped pieces positionable upon the dial face plate and below the hour hand, each piece subtending a sectoral region on the dial face plate in relation to the hour hand for representing a period of time when a certain activity is to be performed; and a first coupling mechanism for removably coupling the pieces to the dial face plate.