The Date Field uses the Pikaday Responsive JavaScript library for datepicker functionality. This is a wrapper for the original Pikaday library.

Pikaday methods for modifying the datepicker are accessible via the pikaday property of the dateObject. The ‘dateObject is passed by the init radio message on the pikaday radio channel along with the associated fieldModel`. This radio message is triggered after the date

field’s view is rendered, so the datepicker has already been initialized.

Here is an example of how to modify datepicker settings.