A valve opening and closing timing control apparatus comprising: a driving side rotor that synchronously rotates with a crankshaft of an internal combustion engine; a driven side rotor that is disposed at a coaxial core with a rotary shaft core of the driving side rotor and integrally rotates with a camshaft for a valve opening and closing; a connecting bolt that is disposed at the coaxial core with the rotary shaft core to connect the driven side rotor to the camshaft, and on which an advance angle port communicating with an advance angle chamber (Ca) partitioned between the driving side rotor and the driven side rotor and a retard angle port communicating with a retard angle chamber (Cb) partitioned between the driving side rotor and the driven side rotor are formed on an outer peripheral surface; and a spool that is disposed in a spool chamber of the inside of the connecting bolt, and controls the feeding and discharging of working fluid to the advance angle port or the retard angle port from a pump port formed on the connecting bolt, wherein the connecting bolt is configured to include a bolt body to be connected to the driven side rotor and a sleeve externally fitting to the bolt body, wherein the pump port is formed as a through hole over the spool chamber and the outer peripheral surface on the bolt body, and the advance angle port and the retard angle port are formed as a through hole over the bolt body and the sleeve, wherein an inside space of the shaft to which the working fluid is supplied from a fluid pressure pump is formed in the camshaft, and one end portion of the sleeve of the connecting bolt to be connected to the camshaft is exposed to the inside space of the shaft, wherein an introduction flow passage for supplying the working fluid from the inside space of the shaft to the pump port is formed to a region avoiding the advance angle port and the retard angle port on at least any one of an inner peripheral surface of the sleeve and the outer peripheral surface of the bolt body, characterized in that a regulation mechanism is provided which regulates a posture of rotation around the rotary shaft core of the bolt body and the sleeve, while allowing movement to abut on a portion of the driven side rotor in a direction along the rotary shaft core of the sleeve to the bolt body. a driving side rotor that synchronously rotates with a crankshaft of an internal combustion engine; a driven side rotor that is disposed at a coaxial core with a rotary shaft core of the driving side rotor and integrally rotates with a camshaft for a valve opening and closing; a connecting bolt that is disposed at the coaxial core with the rotary shaft core to connect the driven side rotor to the camshaft, and on which an advance angle port communicating with an advance angle chamber (Ca) partitioned between the driving side rotor and the driven side rotor and a retard angle port communicating with a retard angle chamber (Cb) partitioned between the driving side rotor and the driven side rotor are formed on an outer peripheral surface; and a spool that is disposed in a spool chamber of the inside of the connecting bolt, and controls the feeding and discharging of working fluid to the advance angle port or the retard angle port from a pump port formed on the connecting bolt, wherein the connecting bolt is configured to include a bolt body to be connected to the driven side rotor and a sleeve externally fitting to the bolt body, wherein the pump port is formed as a through hole over the spool chamber and the outer peripheral surface on the bolt body, and the advance angle port and the retard angle port are formed as a through hole over the bolt body and the sleeve, wherein an inside space of the shaft to which the working fluid is supplied from a fluid pressure pump is formed in the camshaft, and one end portion of the sleeve of the connecting bolt to be connected to the camshaft is exposed to the inside space of the shaft, wherein an introduction flow passage for supplying the working fluid from the inside space of the shaft to the pump port is formed to a region avoiding the advance angle port and the retard angle port on at least any one of an inner peripheral surface of the sleeve and the outer peripheral surface of the bolt body, characterized in that a regulation mechanism is provided which regulates a posture of rotation around the rotary shaft core of the bolt body and the sleeve, while allowing movement to abut on a portion of the driven side rotor in a direction along the rotary shaft core of the sleeve to the bolt body.