What day is it script

#!/bin/ksh
# filename:whatday.sh
# description: What is today - day.

date=`date '+%a'`
#incremental=/home/rmana/scripts/incremental.sh
#fullbackup=/home/rmana/scripts/fullbackup.sh

case $date in
 Sun)
     if [ "$date"="Sun" ]; then
        echo "Today is $date"
        echo "Do Nothing"
     fi
   ;;
 Mon)
     if [ "$date"="Mon" ]; then
      echo "Today is $date"
#       exec $incremental
     fi
   ;;
 Tue)
     if [ "$date"="Tue" ]; then
      echo "Today is $date"
#        exec $incremental
     fi
   ;;
 Wed)
     if [ "$date"="Wed" ]; then
      echo "Today is $date"
#        exec $incremental
    fi
   ;;
 Thu)
     if [ "$date"="Thu" ]; then
      echo "Today is $date"
#        exec $incremental
     fi
   ;;
 Fri)
     if  [ "$date"="Fri" ]; then
      echo "Today is $date"
#      exec $incremental
     fi
   ;;
 Sat)
     if [ "$date"="Sat" ];  then
      echo "Today is $date"
#      exec $fullbackup
     fi
   ;;
   *)
    echo "Hey - I need to unwind too!"
 ;;
esac