DEVICE FOR PROCESSING INFORMATION, AND METHOD AND PROGRAM FOR MANAGING CHRONOLOGICAL INFORMATION

摘要

[PROBLEM TO BE SOLVED] Past items and future items can be browsed at one time, and the convenience of item management can be improved.;[SOLUTION] An information terminal device 50 comprises a presentation section 51, a prompt detection section 52, and a control section 53. In the presentation section 51, past items and future items with each of which a piece of time information is associated are arranged and presented in chronological sequence on respective regions divided by using a current time display column indicating a current time as a border, based on the respective pieces of time information. The prompt detection section 52 detects a prompt for controlling the past items and the future items. When a prompt has been detected by the prompt detection section 52, the control section 53 controls the way of registration, deleting, shifting, editing and presenting the future item and the past item.