Leslie,
See if this works for you:
Code:
typeset -i mMth=1
mYear='2007'
while [ ${mMth} -le 12 ]
do
m3Friday=`cal ${mMth} ${mYear} | tail +3 | cut -c16,17 | sed '/^ *$/d' | sed -n '3p'`
echo "Third Friday of "${mMth}"/"${mYear}" = "${m3Friday}
mMth=${mMth}+1
done