To provide a valve timing adjustment device, capable of turning a driven member to more than the intermediate phase of the side advanced from a most delayed angle position, even if the oil pressure for driving the driven member to an advance angle side is at a low level, and also surely turning the driven member made to turn by more than a predetermined intermediate phase to the phase thereof.

ECU 18 calculates the target phase of a vane rotor 7, suitable for the operation condition of an engine and performs the control in the duty ratio of a first electromagnetic actuator 15 using a PD control, so that the target phase coincides with an actual phase, and when the vane rotor 7 is in a spark delay angle region, the holding control value (duty value) of delay angle side is used as a control value, and when it is in spark advance angle region, that (duty value) of spark advance angle side is used therefor. Since the separate control values are used for control in the spark delay and advance regions, the actual phase of the vane rotor 7 can be controlled smoothly to the target phase, even if the vane rotor 7 is displaced passing over a preset phase.