diff --git a/app/serializers/lists/experiment_serializer.rb b/app/serializers/lists/experiment_serializer.rb
index 1fd5a52f6..5f68c2f02 100644
--- a/app/serializers/lists/experiment_serializer.rb
+++ b/app/serializers/lists/experiment_serializer.rb
@@ -102,8 +102,8 @@ module Lists
 
     def due_date_cell
       {
-        value: due_date,
-        value_formatted: due_date,
+        value: object.due_date,
+        value_formatted: (I18n.l(object.due_date, format: :full_date) if object.due_date),
         editable: can_manage_experiment?(object),
         icon: (if object.one_day_prior? && !object.done?
                  'sn-icon sn-icon-alert-warning text-sn-alert-brittlebush'
@@ -115,8 +115,8 @@ module Lists
 
     def start_date_cell
       {
-        value: start_date,
-        value_formatted: start_date,
+        value: object.start_date,
+        value_formatted: (I18n.l(object.start_date, format: :full_date) if object.start_date),
         editable: can_manage_experiment?(object)
       }
     end
@@ -126,15 +126,5 @@ module Lists
         manage: can_manage_experiment?(object)
       }
     end
-
-    private
-
-    def due_date
-      I18n.l(object.due_date, format: :full_date) if object.due_date
-    end
-
-    def start_date
-      I18n.l(object.start_date, format: :full_date) if object.start_date
-    end
   end
 end
diff --git a/app/serializers/lists/project_and_folder_serializer.rb b/app/serializers/lists/project_and_folder_serializer.rb
index 9765601e2..d9b686bb8 100644
--- a/app/serializers/lists/project_and_folder_serializer.rb
+++ b/app/serializers/lists/project_and_folder_serializer.rb
@@ -106,7 +106,7 @@ module Lists
     def due_date_cell
       if project?
         {
-          value: (I18n.l(object.due_date, format: :default) if object.due_date),
+          value: object.due_date,
           value_formatted: (I18n.l(object.due_date, format: :full_date) if object.due_date),
           editable: can_manage_project?(@object),
           icon: (if object.one_day_prior? && !object.done?
@@ -121,7 +121,7 @@ module Lists
     def start_date_cell
       if project?
         {
-          value: (I18n.l(object.start_date, format: :default) if object.start_date),
+          value: object.start_date,
           value_formatted: (I18n.l(object.start_date, format: :full_date) if object.start_date),
           editable: can_manage_project?(@object)
         }