diff -r ab4432daf69f Lib/_strptime.py
--- a/Lib/_strptime.py	Mon Oct 22 21:50:27 2012 -0700
+++ b/Lib/_strptime.py	Tue Oct 23 15:01:39 2012 +0300
@@ -191,15 +191,15 @@
         base = super()
         base.__init__({
             # The " \d" part of the regex is to make %c from ANSI C work
-            'd': r"(?P<d>3[0-1]|[1-2]\d|0[1-9]|[1-9]| [1-9])",
+            'd': r"(?P<d>3[0-1]|[1-2]\d|0[1-9])",
             'f': r"(?P<f>[0-9]{1,6})",
-            'H': r"(?P<H>2[0-3]|[0-1]\d|\d)",
-            'I': r"(?P<I>1[0-2]|0[1-9]|[1-9])",
-            'j': r"(?P<j>36[0-6]|3[0-5]\d|[1-2]\d\d|0[1-9]\d|00[1-9]|[1-9]\d|0[1-9]|[1-9])",
-            'm': r"(?P<m>1[0-2]|0[1-9]|[1-9])",
-            'M': r"(?P<M>[0-5]\d|\d)",
-            'S': r"(?P<S>6[0-1]|[0-5]\d|\d)",
-            'U': r"(?P<U>5[0-3]|[0-4]\d|\d)",
+            'H': r"(?P<H>2[0-3]|[0-1]\d)",
+            'I': r"(?P<I>1[0-2]|0[1-9])",
+            'j': r"(?P<j>36[0-6]|3[0-5]\d|[1-2]\d\d|0[1-9]\d|00[1-9])",
+            'm': r"(?P<m>1[0-2]|0[1-9])",
+            'M': r"(?P<M>[0-5]\d)",
+            'S': r"(?P<S>6[0-1]|[0-5]\d)",
+            'U': r"(?P<U>5[0-3]|[0-4]\d)",
             'w': r"(?P<w>[0-6])",
             # W is set below by using 'U'
             'y': r"(?P<y>\d\d)",
diff -r ab4432daf69f Lib/test/datetimetester.py
--- a/Lib/test/datetimetester.py	Mon Oct 22 21:50:27 2012 -0700
+++ b/Lib/test/datetimetester.py	Tue Oct 23 15:01:39 2012 +0300
@@ -1888,6 +1888,22 @@
         with self.assertRaises(ValueError): strptime("-2400", "%z")
         with self.assertRaises(ValueError): strptime("-000", "%z")
 
+    def test_more_strptime(self):
+        string1 = '2004-12-01 1:2:7.197'
+        format1 = '%Y-%m-%d %H:%M:%S.%f'
+        string2 = '201234'
+        format2 = '%Y%m%d'
+        string3 = '1234'
+        format3 = '%H%M%S'
+        string4 = '123467'
+        format4 = '%H%M%S'
+
+        with self.assertRaises(ValueError):
+            self.theclass.strptime(string1, format1)
+            self.theclass.strptime(string2, format2)
+            self.theclass.strptime(string3, format3)
+            self.theclass.strptime(string4, format4)
+
     def test_more_timetuple(self):
         # This tests fields beyond those tested by the TestDate.test_timetuple.
         t = self.theclass(2004, 12, 31, 6, 22, 33)