HOURS=`date +%I`
MINS=`date +%M`

if [ $MINS -lt 10 ]; then
  MINS=${MINS:1:1}
fi

if [ $HOURS -lt 10 ]; then
  HOURS=${HOURS:1:1}
fi

if [ $HOURS -eq 0 ]; then
  HOURS="midnight"
fi

NEXTHOUR=$((HOURS + 1))

if [ $NEXTHOUR -eq 24 ]; then
   NEXTHOUR="midnight"
fi

if [ $NEXTHOUR -gt 24 ]; then
   NEXTHOUR=$((NEXTHOUR - 24))
fi


case $MINS in
  0)
     HUMAN=$HOURS" o clock"
     ;;

  1)
     HUMAN="1 minute past $HOURS"
     ;;

  5|10|20|25)
     HUMAN="$MINS past $HOURS"
     ;;
  15)
     HUMAN="quarter past $HOURS"
     ;;
  30)
     HUMAN="half past $HOURS"
     ;;
  35|40|50|55)
     HUMAN=$((60 - $MINS))" to $NEXTHOUR"
     ;;

  45)
     HUMAN="a quarter to $NEXTHOUR"
     ;;

  59)
     HUMAN="1 minute to $NEXTHOUR"
     ;;
esac

if [ "$HUMAN" == "" ]; then
  if [ $MINS -lt 30 ]; then
     HUMAN="$MINS minutes past $HOURS"
  else
     HUMAN=$((60 - $MINS))" minutes to $NEXTHOUR"
  fi
fi

HUMAN=$HUMAN" `date +%p`"

echo $HUMAN