diff --git a/lib/types/textParsers.js b/lib/types/textParsers.js
index 175e89a3d..d1c104d26 100644
--- a/lib/types/textParsers.js
+++ b/lib/types/textParsers.js
@@ -33,7 +33,7 @@ var parseDate = function(isoDate) {
     mili = 1000 * parseFloat(miliString);
   }
 
-  var tZone = /([Z|+\-])(\d{2})?(\d{2})?/.exec(isoDate.split(' ')[1]);
+  var tZone = /([Z|+\-])(\d{2})?:(\d{2})?/.exec(isoDate.split(' ')[1]);
   //minutes to adjust for timezone
   var tzAdjust = 0;