diff --git a/src/Silex/Controller/VisitorController.php b/src/Silex/Controller/VisitorController.php
index 076d182..1aa638d 100644
--- a/src/Silex/Controller/VisitorController.php
+++ b/src/Silex/Controller/VisitorController.php
@@ -10,6 +10,7 @@ use Silex\Http\HttpResponse;
 use Silex\Model\Comment;
 use Silex\Util\Pagination;
 use Silex\Validation\CommentValidation;
+use Silex\Validation\NewsValidation;
 
 class VisitorController {
 
@@ -17,6 +18,8 @@ class VisitorController {
 
     public function index(DI $di, array $params): HttpResponse
     {
+        $errors = [];
+
         $gw = $di->getNewsGateway();
         $gwc = $di->getCommentGateway();
         $user = $di->getSecurity()->getCurrentUser();
@@ -25,7 +28,7 @@ class VisitorController {
         $total = $gw->getCount();
         
         $nbPages = Pagination::getNbPages($total, self::PER_PAGE);
-        if(!empty($_GET['dateDeb']) && !empty($_GET['dateFin'])) {
+        if(!empty($_GET['dateDeb']) && !empty($_GET['dateFin']) && NewsValidation::isValidDate($_GET,$errors)) {
             $news = $gw->getLike($_GET['dateDeb'], $_GET['dateFin'], $page , self::PER_PAGE);
         } else {
             $news = $gw->getPaginatedRecentNews($page , self::PER_PAGE);
@@ -36,7 +39,7 @@ class VisitorController {
         } else {
             $nbCommentsByUser = 0;
         }
-        return new HttpResponse(200, 'home', ['news' => $news, 'page' => $page, 'nbPages' => $nbPages, 'nbComments' => $nbComments, 'nbCommentsByUser' => $nbCommentsByUser]);
+        return new HttpResponse(200, 'home', ['news' => $news, 'page' => $page, 'nbPages' => $nbPages, 'nbComments' => $nbComments, 'nbCommentsByUser' => $nbCommentsByUser, 'errors' => $errors]);
     }
 
     public function viewPost(DI $di, array $params): HttpResponse
diff --git a/src/Silex/Validation/NewsValidation.php b/src/Silex/Validation/NewsValidation.php
index 614b1c8..9feab84 100644
--- a/src/Silex/Validation/NewsValidation.php
+++ b/src/Silex/Validation/NewsValidation.php
@@ -22,4 +22,21 @@ final class NewsValidation
         $post['content'] = htmlspecialchars($post['content']);
         return empty($errors);
     }
+
+    public static function isValidDate(array &$get, array &$errors): bool
+    {
+        if(!isset($get['dateDeb']) || !isset($get['dateFin'])){
+            return false;
+        }
+        if(strtotime($get['dateDeb']) === false){
+            $errors[] = 'Date début invalide';
+        }
+        if(strtotime($get['dateFin']) === false){
+            $errors[] = 'Date fin invalide';
+        }
+        if($get['dateDeb'] > $get['dateFin']){
+            $errors[] = 'Date début supérieur à date fin';
+        }
+        return empty($errors);
+    }
 }
diff --git a/views/home.php b/views/home.php
index db3f71c..825e656 100644
--- a/views/home.php
+++ b/views/home.php
@@ -1,3 +1,4 @@
+<?php require 'errors.php' ?>
 <?php $params['title'] = 'Home';
 $get = $_SERVER['QUERY_STRING'] ?? '';
 ?>