--- a/backup.rst	Tue Oct 17 10:48:55 2017 +0300
+++ b/backup.rst	Fri Oct 20 18:03:16 2017 +0300
@@ -41,3 +41,9 @@
 To compare only based on file size use ``--size-only``. In that case ``-t``
 option will preserve modification time.
 
+To sync files only based on timestamps (if attributes have no sence, like on
+Windows OS) complete invocation cn look like (final slash in path is
+significant)::
+
+  $ rsync -r -t --no-p --no-o --no-g --no-A --no-X -O -J --delete --progress -v  $FROM/ $TO/
+