DELIVERY SCHEDULE MANAGEMENT DEVICE, DELIVERY SCHEDULE MANAGEMENT METHOD AND DELIVERY SCHEDULE MANAGEMENT SYSTEM

摘要

PROBLEM TO BE SOLVED: To increase probability that an item can be delivered during time at which a user is at home.SOLUTION: A delivery schedule management device 4 includes: an information acquisition unit 431 that acquires measurement information indicating weight of an item to be measured whose weight is changed by consumption by a user and time when the weight of the item to be measured is measured by a measuring device; an at-home time zone estimation unit 432 that estimates, based on the measurement information, a time zone including weight change time when the weight of the item to be measured changes as an at-home time zone; a determination unit 433 that determines, based on the at-home time zone, a delivery time zone candidate which is a candidate for a delivery time zone of a delivery item that is an item to be delivered to a user.SELECTED DRAWING: Figure 6