diff --git a/src/vitis/client/javascript/externs/formReader/formReaderDrtv.js b/src/vitis/client/javascript/externs/formReader/formReaderDrtv.js
index 5a90b945889431b31445fb6713e559abb67805c6..8c065e61e984b8a61df5f948fa42cac33e9d89bf 100644
--- a/src/vitis/client/javascript/externs/formReader/formReaderDrtv.js
+++ b/src/vitis/client/javascript/externs/formReader/formReaderDrtv.js
@@ -714,6 +714,20 @@ formReader.formReaderDirective = function ($q, formReaderService, propertiesSrvc
                 return parseFloat(sField);
             }
 
+            /**
+             * Transforme une date en timestamp
+             *
+             * @param  {type} sDate description
+             * @return {type}       description
+             */
+            scope['timestamp'] = function(sDate) {
+                var aDate=sDate.split("/");
+                var aTime=sDate.split(" ");
+                var isoDate = aDate[1] + '/' + aDate[0] + '/' + aDate[2];
+                var sTimestamp = new Date(isoDate).getTime();
+                return sTimestamp;
+            }
+
             // Attend la suppression du scope.
             scope.$on("$destroy", function () {
                 // Supprime toutes les données du formulaire.