--- a/thunderbird.rst	Tue Dec 01 15:21:55 2009 +0200
+++ b/thunderbird.rst	Tue Dec 01 15:24:39 2009 +0200
@@ -55,3 +55,14 @@
 The newsgroup server names appear abbreviated in the folder pane. To display
 the full name, use the Config Editor to change the value of the preference
 'mail.server.default.abbreviate' to 'false'.
+
+* Date amd time.
+
+  http://kb.mozillazine.org/Date_display_format
+
+** Windows.
+
+Start ==> Control Panel ==> Date, Time, Language, and Regional Options ==> Regional and Language Options
+      ==> Customize ==> Customize Regional Options
+
+  http://support.microsoft.com/?kbid=307938