It would be cool to have a date format like the one of ls -l, i.e. giving the creating time for younger files (e.g. 3 month) and the year for older files. 

drwx------ 5 root   4096 Sep 24 15:57 Hilfsfiles
-rw------- 1 root 874820 Sep 14  2007 P19920003043.pdf