Notification processing apparatus, notification processing method, and information terminal

A notification processing apparatus, comprising:

• a calculation unit configured to
• calculate, based on information on a current location of a user and information on a current location of a first vehicle used by the user, a first required time required for the user to move from the current location of the user to the first vehicle,
• calculate, based on the information on the current location of the first vehicle and information on a scheduled return place of the first vehicle, a second required time required for the first vehicle to travel from the current location of the first vehicle to the scheduled return place of the first vehicle, and
• calculate, based on the first required time and the second required time, a movement start time required for the user to return the first vehicle to the scheduled return place by a scheduled return time of the first vehicle;
• and
• a notification processing unit configured to notify the movement start time to the user.