diff --git a/sao/src/pyson.js b/sao/src/pyson.js
index cffb26e61a..c35c7fed6c 100644
--- a/sao/src/pyson.js
+++ b/sao/src/pyson.js
@@ -775,6 +775,7 @@
         }
         if (!date || !date.isDate) {
             date = Sao.Date();
+            date.utc();
         }
         if (value.y) date.year(value.y);
         if (value.M) date.month(value.M - 1);