A free calendar of 2014 is available at Timeanddate.com. Alternatively, Windows 10 and Mac OS X users can use the built-in calendar applications that come installed with the operating systems.
In addition to showing the holiday dates for the United States, the calendar at Timeanddate.com also displays moon phases and typical non-working days. Holidays appear in red, and non-working days are grayed out. The moon phases of a month appear right below the days.
Both Windows 10 and Mac OS X feature free calendar applications. To open the calendar in Windows 10, click Search Windows on the taskbar, and type "calendar." Click Calendar to open to application.
On a Mac, open the Calendar app by clicking its icon on the Dock at the bottom of the screen. If the application is not on the Dock, press Command+Space to launch Spotlight, type "calendar," and click the application.