diff --git a/app/serializers/api/order_serializer.rb b/app/serializers/api/order_serializer.rb
index 162c905e2b..7105e3577b 100644
--- a/app/serializers/api/order_serializer.rb
+++ b/app/serializers/api/order_serializer.rb
@@ -4,7 +4,7 @@ class Api::OrderSerializer < ActiveModel::Serializer
   has_many :payments, serializer: Api::PaymentSerializer
 
   def completed_at
-    object.completed_at.blank? ? "" : object.completed_at.to_formatted_s(:long_ordinal)
+    object.completed_at.blank? ? "" : I18n.l(object.completed_at, format: :long) #.to_formatted_s(:long_ordinal)
   end
 
   def total
diff --git a/app/serializers/api/payment_serializer.rb b/app/serializers/api/payment_serializer.rb
index 019e140ff3..505a5a79e1 100644
--- a/app/serializers/api/payment_serializer.rb
+++ b/app/serializers/api/payment_serializer.rb
@@ -9,6 +9,6 @@ class Api::PaymentSerializer < ActiveModel::Serializer
   end
 
   def updated_at
-    object.updated_at.to_formatted_s(:long_ordinal)
+    I18n.l(object.updated_at, format: :long)
   end
 end