| 摘要 |
Even when all selected dates cannot be displayed on a calendar, selected states of all the selected dates can be completely displayed so as to grasp the selected states of the selected dates. Further, the selected states can be simply changed. A calendar display apparatus displays at least one of calendars which display dates and the selected state of each date on a display screen, and is capable of instructing the selected state of each date displayed to be changed, and is capable of changing the display period of the calendar to be displayed on the display screen, and decides whether or not the selected states of all the selected dates can be displayed on the displayed calendar on the basis of data indicating whether or not the date is selected and the display period of the calendar, and displays the selected dates which cannot be displayed on the displayed calendar in the form of a list on a display area in the vicinity of the displayed calendar when it is decided that the selected states of all the selected dates cannot be displayed on the displayed calendar.
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