Controlling charging based on charger connection state

Provided is a charging control system for an electric vehicle capable of being charged from an external power source. The charging control system includes an inlet which is provided in the electric vehicle and to which a charging gun including an operable S3 switch is connected, and a charging control ECU capable of controlling the charging and performing a setting of timer charging. The charging control ECU cancels the setting of the timer charging on the basis of a predetermined operation on the S3 switch in a state in which the setting of the timer charging has been performed.