diff --git a/htdocs/projet/fiche.php b/htdocs/projet/fiche.php
index 88277d61d7c..efa3290e2ef 100644
--- a/htdocs/projet/fiche.php
+++ b/htdocs/projet/fiche.php
@@ -129,8 +129,8 @@ if ($action == 'add' && $user->rights->projet->creer)
         $project->description     = GETPOST('description','alpha');
         $project->public          = GETPOST('public','alpha');
         $project->datec=dol_now();
-        $project->date_start=dol_mktime(12,0,0,GETPOST('projectmonth','int'),GETPOST('projectday','int'),GETPOST('projectyear','int'));
-        $project->date_end=dol_mktime(12,0,0,GETPOST('projectendmonth','int'),GETPOST('projectendday','int'),GETPOST('projectendyear','int'));
+        $project->date_start=dol_mktime(0,0,0,GETPOST('projectmonth','int'),GETPOST('projectday','int'),GETPOST('projectyear','int'));
+        $project->date_end=dol_mktime(0,0,0,GETPOST('projectendmonth','int'),GETPOST('projectendday','int'),GETPOST('projectendyear','int'));
 
         $result = $project->create($user);
         if ($result > 0)
diff --git a/htdocs/projet/tasks/task.php b/htdocs/projet/tasks/task.php
index a8ebfba5b16..c7f983aa2d5 100644
--- a/htdocs/projet/tasks/task.php
+++ b/htdocs/projet/tasks/task.php
@@ -69,8 +69,8 @@ if ($action == 'update' && ! $_POST["cancel"] && $user->rights->projet->creer)
 		$object->label = $_POST["label"];
 		$object->description = $_POST['description'];
 		$object->fk_task_parent = $task_parent;
-		$object->date_start = dol_mktime(12,0,0,$_POST['dateomonth'],$_POST['dateoday'],$_POST['dateoyear']);
-		$object->date_end = dol_mktime(12,0,0,$_POST['dateemonth'],$_POST['dateeday'],$_POST['dateeyear']);
+		$object->date_start = dol_mktime(0,0,0,$_POST['dateomonth'],$_POST['dateoday'],$_POST['dateoyear']);
+		$object->date_end = dol_mktime(0,0,0,$_POST['dateemonth'],$_POST['dateeday'],$_POST['dateeyear']);
 		$object->progress = $_POST['progress'];
 
 		$result=$object->update($user);