LaravelCarbonDateFormat.php

<?php
/*
 * Defaut display of Carbon dates can be changed using the method
 * This method have to be called BEFORE outputing any date to string
 */
\Carbon\Carbon::setToStringFormat('d-m-Y H:i:s');

/*
 * Can be setup in your models constructors like this:
 */
public function __construct() {
	//Call the parent constructor
	parent::__construct();

	//Set the format used by Carbon when converting date to string
	\Carbon\Carbon::setToStringFormat('d-m-Y H:i:s');
	//all dates like 2014-03-25 17:37:54 look like 25-03-2014 17:37:54 now
}


/*
 * Or in the start.php file like that:
 */

/*
|--------------------------------------------------------------------------
| Change the default date format
|--------------------------------------------------------------------------
|
| Change date format output to french format
|
*/
\Carbon\Carbon::setToStringFormat('d-m-Y H:i:s');

/*
 * It can even be set inside your filters.php (to conditionnaly format date based on url for example)
 */