To simplify, this is how you do it.
Set the current date to April 7 2008 8:42:45pm.
The easy way,
#date -s "7 April 2008 20:42:45"
The harder way,
#date  040720422008.45
The break down: MM DD hh mm YYYY ss
MM = month = 04
DD = day = 07
hh = hour = 20
mm = minute = 42
YYYY = year = 2008
ss = [...]

Good examples for icons:
http://community.livejournal.com/16×16
http://tango.freedesktop.org/Tango_Desktop_Project
Hope this helps…

A cron job (run by the cron daemon, or cron service) is a request for the server to run a particular command and/or program via the command line and set points during the hour, day, week, month or year.
At the moment, there are two ways you can add, edit or delete cron jobs on [...]