Date/time

See Text field for complete documentation.

Text

$box = register_cuztom_meta_box( $id, $post_type, array(
		
    'fields' => array(
        
        array(
            'id'    => '_data_datetime',
            'type'  => 'datetime',
            'label' => 'Field Label',
            'args'  => array(
                'date_format' => 'mm/dd/yy'
            )
        ),

        ...
        
    )

) );