Rudeg/react-input-calendar — pull request #1 by Fenntasy (2014-12-11 13:43:59+00:00)
Title: onChange event that returns a standard date for parent react element

If you want to include a Calendar inside of a react element, you may want to listen to change and then reformat the date to a database (for instance).

This is the goal of the onChange and computableFormat props.