A server configured to receive an instruction related to timer charging in a vehicle from a user, the server comprising: a communication device configured to communicate with the vehicle and a direct current electric power supply facility as an electric power supply; and a controller configured to control the communication device, wherein: the timer charging is external charging that is executed in accordance with a time schedule; the external charging is charging of a vehicle-mounted electric power storage device using electric power supplied from an electric power supply outside the vehicle; the vehicle is configured to enable both alternating current charging that is the external charging using alternating current electric power supplied from an alternating current electric power supply facility as the electric power supply, and direct current charging that is the external charging using direct current electric power supplied from the direct current electric power supply facility; the instruction from the user includes first data for determining the time schedule; the server characterized in that the instruction from the user further includes second data indicating which of the alternating current charging and the direct current charging is to be performed; and in that the controller is configured to: cause the communication device to transmit the first data to the vehicle when the second data indicates the alternating current charging is to be performed, and cause the communication device to transmit the first data to the direct current electric power supply facility when the second data indicates the direct current charging is to be performed. a communication device configured to communicate with the vehicle and a direct current electric power supply facility as an electric power supply; and a controller configured to control the communication device, wherein: the timer charging is external charging that is executed in accordance with a time schedule; the external charging is charging of a vehicle-mounted electric power storage device using electric power supplied from an electric power supply outside the vehicle; the vehicle is configured to enable both alternating current charging that is the external charging using alternating current electric power supplied from an alternating current electric power supply facility as the electric power supply, and direct current charging that is the external charging using direct current electric power supplied from the direct current electric power supply facility; the instruction from the user includes first data for determining the time schedule; the server characterized in that the instruction from the user further includes second data indicating which of the alternating current charging and the direct current charging is to be performed; and in that the controller is configured to: cause the communication device to transmit the first data to the vehicle when the second data indicates the alternating current charging is to be performed, and cause the communication device to transmit the first data to the direct current electric power supply facility when the second data indicates the direct current charging is to be performed. the timer charging is external charging that is executed in accordance with a time schedule; the external charging is charging of a vehicle-mounted electric power storage device using electric power supplied from an electric power supply outside the vehicle; the vehicle is configured to enable both alternating current charging that is the external charging using alternating current electric power supplied from an alternating current electric power supply facility as the electric power supply, and direct current charging that is the external charging using direct current electric power supplied from the direct current electric power supply facility; the instruction from the user includes first data for determining the time schedule; the server characterized in that the instruction from the user further includes second data indicating which of the alternating current charging and the direct current charging is to be performed; and in that the controller is configured to: cause the communication device to transmit the first data to the vehicle when the second data indicates the alternating current charging is to be performed, and cause the communication device to transmit the first data to the direct current electric power supply facility when the second data indicates the direct current charging is to be performed. cause the communication device to transmit the first data to the vehicle when the second data indicates the alternating current charging is to be performed, and cause the communication device to transmit the first data to the direct current electric power supply facility when the second data indicates the direct current charging is to be performed.