If you click the icon below (red frame) in the calendar settings and check two or more checkboxes in the "Calendar to check appointments," two or more appointments will be displayed in the appointment list and calendar.
If two or more checkboxes are turned on in the "Calendar to check appointments", two or more appointments will be displayed in the appointment list and calendar.
Calendar (Jicoo and linked calendars)
If you want only one appointment to be displayed, please select one of the checkboxes in the "Calendar to check appointments".