<?php

namespace Wdi\Providers;

use Carbon\Carbon;
use Illuminate\Support\ServiceProvider;
use Schema;

/**
 * Class AppServiceProvider
 *
 * @package Wdi\Providers
 */
final class AppServiceProvider extends ServiceProvider
{
    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot()
    {
        Schema::defaultStringLength(191);
    }
    
    /**
     * Register any application services.
     *
     * @return void
     */
    public function register()
    {
        setlocale(LC_ALL, config("app.locale_extended"));
        Carbon::setLocale(config("app.locale"));
    }
}

<?php

namespace Wdi\Providers;

use Carbon\Carbon;
use Illuminate\Support\ServiceProvider;
use Schema;

/**
 * Class AppServiceProvider
 *
 * @package Wdi\Providers
 */
final class AppServiceProvider extends ServiceProvider
{
    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot()
    {
        Schema::defaultStringLength(191);
    }
    
    /**
     * Register any application services.
     *
     * @return void
     */
    public function register()
    {
        $this->setLocales();
    }
    
    private function setLocales()
    {
        config("app.localed_extended");
        
        setlocale(LC_TIME, config("app.localed_extended"));
        setlocale(LC_MONETARY, config("app.localed_extended"));
        Carbon::setLocale(config("app.localed_extended"));
    }
}

--- 
+++ 
@@ -30,15 +30,7 @@
      */
     public function register()
     {
-        $this->setLocales();
-    }
-    
-    private function setLocales()
-    {
-        config("app.localed_extended");
-        
-        setlocale(LC_TIME, config("app.localed_extended"));
-        setlocale(LC_MONETARY, config("app.localed_extended"));
-        Carbon::setLocale(config("app.localed_extended"));
+        setlocale(LC_ALL, config("app.locale_extended"));
+        Carbon::setLocale(config("app.locale"));
     }
 }
Fix problems while setting locale across the application
