Index: Lib/_strptime.py
===================================================================
--- Lib/_strptime.py	(revision 61677)
+++ Lib/_strptime.py	(working copy)
@@ -338,6 +338,7 @@
     # values
     weekday = julian = -1
     found_dict = found.groupdict()
+    has_year = 0
     for group_key in found_dict.iterkeys():
         # Directives not explicitly handled below:
         #   c, x, X
@@ -345,6 +346,7 @@
         #   U, W
         #      worthless without day of the week
         if group_key == 'y':
+            has_year = 1
             year = int(found_dict['y'])
             # Open Group specification for strptime() states that a %y
             #value in the range of [00, 68] is in the century 2000, while
@@ -354,6 +356,7 @@
             else:
                 year += 1900
         elif group_key == 'Y':
+            has_year = 1
             year = int(found_dict['Y'])
         elif group_key == 'm':
             month = int(found_dict['m'])
@@ -425,6 +428,9 @@
                     else:
                         tz = value
                         break
+
+    if not has_year:
+        year = datetime_date.today().year
     # If we know the week of the year and what day of that week, we can figure
     # out the Julian day of the year.
     if julian == -1 and week_of_year != -1 and weekday != -1: