X and Fluxbox :: /etc/environment and language settings

hello again...

i want to have a german layout of my system clock, (the clock in the fluxbox toolbar and the clock in conky/torsmo). so i have put in the statement

Code Sample

LANG=de_DE

in /etc/environment, but it has no effect to the date format, the name of the month is in english after a restart...

any ideas how to made a german clock and language settings available ?

original here.