iDesktopCalendar offers an up-to-date calendar for your Mac. The tool displays elegantly on your desktop and works with any wallpaper. iDesktopCalendar shows you your entire year at a glance. It also allows you to start your calendar with this month or start at the beginning of the year. Because its a dynamic app, it's never out of date. Furthermore, it includes an option to display simple desk clock with date and time.