A dimming controlling apparatus including: a lighting driving unit for driving a lighting appliance; a power supply unit for supplying power required to drive the lighting appliance; a storage unit for storing a plurality of dimming profiles including time zones for driving the lighting appliance and dimming levels in accordance to the time zones; and a controller for controlling the lighting driving unit and the power supply unit by using the dimming profiles. An operating time of the lighting appliance is divided into a plurality of time zones, and dimming profiles are generated to include an intensity of illumination for driving the lighting appliance in each of the plurality of time zones and each of the time zones.