Sure, you can always specify the format yourself:
date +%a, %b %d
or you can use a temporary environmental variable:
:~$ LC_ALL=de_DE.utf8 date
Mo 15. Okt 15:34:11 CEST 2012
:~$ date
Mon Oct 15 15:33:24 CEST 2012
As you see, only the first command is run with the German locale.