#!/bin/sh
DaySuffix() {
  case `date +%-d` in
    1|21|31) echo "st";;
    2|22)    echo "nd";;
    3|23)    echo "rd";;
    *)       echo "th";;
  esac
}
text=$(date "+%A %-d`DaySuffix` %B %Y - %H:%M ")

echo "{\"text\":\""$text"\", \"tooltip\":\""$tooltip"\"}"