diff --git a/attributs.py b/attributs.py
index 502f774..a58de83 100644
--- a/attributs.py
+++ b/attributs.py
@@ -626,9 +626,15 @@ class generalizedTimeFormat(Attr):
     def __eq__(self, othertime):
         if isinstance(othertime, generalizedTimeFormat):
             return self._stamp == othertime._stamp
-        else:
+        elif isinstance(othertime, float):
+            return self._stamp == othertime
+        elif isinstance(othertime, int):
+            return self._stamp == othertime
+        elif isinstance(othertime, unicode) or  isinstance(othertime, str):
             resource = generalizedTimeFormat(othertime, conn=None, Parent=None)
             return self._stamp == resource._stamp
+        else:
+            return False
 
     def __neq__(self, othertime):
         return not (self == othertime)