diff --git a/reference/forms/types/options/_date_limitation.rst.inc b/reference/forms/types/options/_date_limitation.rst.inc
new file mode 100644
index 00000000000..8a39d6f6b80
--- /dev/null
+++ b/reference/forms/types/options/_date_limitation.rst.inc
@@ -0,0 +1,5 @@
+.. caution::
+    
+    If ``timestamp`` is used, ``DateType`` is limited to dates between
+    Fri, 13 Dec 1901 20:45:54 GMT and Tue, 19 Jan 2038 03:14:07 GMT on 32bit
+    systems. This is due to a `limitation in PHP itself <http://php.net/manual/en/function.date.php#refsect1-function.date-changelog>`_.
\ No newline at end of file
diff --git a/reference/forms/types/options/date_input.rst.inc b/reference/forms/types/options/date_input.rst.inc
index 04c86da0135..89aa73bc432 100644
--- a/reference/forms/types/options/date_input.rst.inc
+++ b/reference/forms/types/options/date_input.rst.inc
@@ -12,4 +12,6 @@ your underlying object. Valid values are:
 * ``timestamp`` (e.g. ``1307232000``)
 
 The value that comes back from the form will also be normalized back into
-this format.
\ No newline at end of file
+this format.
+
+.. include:: /reference/forms/types/options/_date_limitation.rst.inc
\ No newline at end of file
diff --git a/reference/forms/types/options/date_widget.rst.inc b/reference/forms/types/options/date_widget.rst.inc
index 8fc89e3d09e..50041e432c0 100644
--- a/reference/forms/types/options/date_widget.rst.inc
+++ b/reference/forms/types/options/date_widget.rst.inc
@@ -12,3 +12,5 @@ The basic way in which this field should be rendered. Can be one of the followin
 
 * ``single_text``: renders a single input of type text. User's input is validated
   based on the `format`_ option.
+
+.. include:: /reference/forms/types/options/_date_limitation.rst.inc
\ No newline at end of file