To make it possible to confirm the incorporation of an unsuitable schedule with an optionally set schedule even when the schedule is incorporated by a physical condition or the like and to automatically reset the date of the schedule.

A schedule inputted from an input device 5 is set up in a schedule memory 2-2. A CPU 1 judges whether the set schedule is suitable or not by referring to a schedule unsuitable time band memory 2-3, a schedule unsuitable physical condition memory 2-4 and a physical condition judging data memory 2-5, and when the set schedule is unsuitable, informs of the judged result or automatically changes the schedule.