Fixed #21629 -- Added instructions for loading MySQL time zone definitions.

Thanks Aymeric for the suggestion.

docs/ref/databases.txt

@@ -305,6 +305,17 @@ The Django adapter is currently only available in the Dev branch.
 
 .. _release branches: http://dev.mysql.com/downloads/connector/python/
 
+.. _mysql-time-zone-definitions:
+
+Time zone definitions
+---------------------
+
+If you plan on using Django's :doc:`timezone support </topics/i18n/timezones>`,
+use `mysql_tzinfo_to_sql`_ to load time zone tables into the MySQL database.
+This needs to be done just once for your MySQL server, not per database.
+
+.. _mysql_tzinfo_to_sql: http://dev.mysql.com/doc/refman/5.5/en/mysql-tzinfo-to-sql.html
+
 Creating your database
 ----------------------
 

docs/topics/i18n/timezones.txt

@@ -649,6 +649,12 @@ Troubleshooting
        >>> local.date()
        datetime.date(2012, 3, 3)
 
+4. **I get an error** "``Are time zone definitions for your database and pytz
+   installed?``" **pytz is installed, so I guess the problem is my database?**
+
+   If you are using MySQL, see the :ref:`mysql-time-zone-definitions` section
+   of the MySQL notes for instructions on loading time zone definitions.
+
 Usage
 -----