An air-conditioning management system comprising: at least one air-conditioning apparatus (10A to 10D); a centralized monitoring apparatus configured to perform centralized management of the at least one air-conditioning apparatus (10A to 10D); a communication line; and an information processing terminal connectable to the centralized monitoring apparatus via the communication line, the information processing terminal including a schedule information reception unit configured to receive an input of schedule information of the at least one air-conditioning apparatus (10A to 10D) from a user, a schedule information management unit configured to store a plurality of items of the schedule information received by the schedule information reception unit, and a schedule information transmission unit configured to select, from the plurality of items of the schedule information stored in the schedule information management unit, schedule information to be transmitted to the at least one air-conditioning apparatus (10A to 10D), and transmit the selected schedule information to the centralized monitoring apparatus, the centralized monitoring apparatus being configured to acquire the schedule information transmitted from the information processing terminal via the communication line, and being configured to transmit the acquired schedule information to the at least one air-conditioning apparatus (10A to 10D). at least one air-conditioning apparatus (10A to 10D); a centralized monitoring apparatus configured to perform centralized management of the at least one air-conditioning apparatus (10A to 10D); a communication line; and an information processing terminal connectable to the centralized monitoring apparatus via the communication line, the information processing terminal including a schedule information reception unit configured to receive an input of schedule information of the at least one air-conditioning apparatus (10A to 10D) from a user, a schedule information management unit configured to store a plurality of items of the schedule information received by the schedule information reception unit, and a schedule information transmission unit configured to select, from the plurality of items of the schedule information stored in the schedule information management unit, schedule information to be transmitted to the at least one air-conditioning apparatus (10A to 10D), and transmit the selected schedule information to the centralized monitoring apparatus, a schedule information reception unit configured to receive an input of schedule information of the at least one air-conditioning apparatus (10A to 10D) from a user, a schedule information management unit configured to store a plurality of items of the schedule information received by the schedule information reception unit, and a schedule information transmission unit configured to select, from the plurality of items of the schedule information stored in the schedule information management unit, schedule information to be transmitted to the at least one air-conditioning apparatus (10A to 10D), and transmit the selected schedule information to the centralized monitoring apparatus, the centralized monitoring apparatus being configured to acquire the schedule information transmitted from the information processing terminal via the communication line, and being configured to transmit the acquired schedule information to the at least one air-conditioning apparatus (10A to 10D).