diff --git a/django/conf/locale/it/formats.py b/django/conf/locale/it/formats.py
index fe86b5bd70..8471bc0392 100644
--- a/django/conf/locale/it/formats.py
+++ b/django/conf/locale/it/formats.py
@@ -2,17 +2,40 @@
 # This file is distributed under the same license as the Django package.
 #
 
-DATE_FORMAT = 'd F Y'
-TIME_FORMAT = 'H.i.s'
-# DATETIME_FORMAT = 
-YEAR_MONTH_FORMAT = 'F Y'
-MONTH_DAY_FORMAT = 'j F'
-SHORT_DATE_FORMAT = 'd/M/Y'
-# SHORT_DATETIME_FORMAT = 
-# FIRST_DAY_OF_WEEK = 
-# DATE_INPUT_FORMATS = 
-# TIME_INPUT_FORMATS = 
-# DATETIME_INPUT_FORMATS = 
+DATE_FORMAT = 'd F Y' # 25 Ottobre 2006
+TIME_FORMAT = 'H:i:s' # 14:30:59
+DATETIME_FORMAT = 'w d F Y H:i:s' # Mercoledì 25 Ottobre 2006 14:30:59
+YEAR_MONTH_FORMAT = 'F Y' # Ottobre 2006
+MONTH_DAY_FORMAT = 'j/F' # 10/2006
+SHORT_DATE_FORMAT = 'd/M/Y' # 25/12/2009
+SHORT_DATETIME_FORMAT = 'd/M/Y H:i:s' # 25/10/2009 14:30:59
+FIRST_DAY_OF_WEEK = 1 # Lunedì
+DATE_INPUT_FORMATS = (
+    '%Y-%m-%d', '%Y/%m/%d',  # '2008-10-25', '2008/10/25'
+    '%d-%m-%Y', '%d/%m/%Y',  # '25-10-2006', '25/10/2006'
+    '%d-%m-%y', '%d/%m/%y',  # '25-10-06', '25/10/06'
+)
+TIME_INPUT_FORMATS = (
+    '%H:%M:%S',     # '14:30:59'
+    '%H:%M',        # '14:30'
+)
+DATETIME_INPUT_FORMATS = (
+    '%Y-%m-%d %H:%M:%S',     # '2006-10-25 14:30:59'
+    '%Y-%m-%d %H:%M',        # '2006-10-25 14:30'
+    '%Y-%m-%d',              # '2006-10-25'
+    '%d-%m-%Y %H:%M:%S',     # '25-10-2006 14:30:59'
+    '%d-%m-%Y %H:%M',        # '25-10-2006 14:30'
+    '%d-%m-%Y',              # '25-10-2006'
+    '%d-%m-%y %H:%M:%S',     # '25-10-06 14:30:59'
+    '%d-%m-%y %H:%M',        # '25-10-06 14:30'
+    '%d-%m-%y',              # '25-10-06'
+    '%d/%m/%Y %H:%M:%S',     # '25/10/2006 14:30:59'
+    '%d/%m/%Y %H:%M',        # '25/10/2006 14:30'
+    '%d/%m/%Y',              # '25/10/2006'
+    '%d/%m/%y %H:%M:%S',     # '25/10/06 14:30:59'
+    '%d/%m/%y %H:%M',        # '25/10/06 14:30'
+    '%d/%m/%y',              # '25/10/06'
+)
 DECIMAL_SEPARATOR = ','
 THOUSAND_SEPARATOR = '.'
-# NUMBER_GROUPING = 
+NUMBER_GROUPING = 3