sclass AI_DatesBot > AttractorBot {
  Long now;
  
  public void run {
    say("I can resolve dates for you");
  }
  
  // CONFIG
  
  class Attractor1 > Attractor {
    int month, day;
    
    public bool matches(S s) {
      new Matches m;
      if (find3("* of *", s, m)) {
        month = indexOfIC(englishMonthNames(), $2)+1;
        if (month >= 1) {
          day = or0(ai_indexToNr($1));
          if (day > 0) true;
        }
      }
      
      if (find3("* * of *", s, m)) {
        if (!eqicOneOf($2, "th", "rd", "nd", "st")) false;
        month = indexOfIC(englishMonthNames(), $3)+1;
        if (month >= 1) {
          day = parseIntOpt($1);
          if (day > 0) true;
        }
      }
      
      false;
    }
    
    public void run {
      say(localYear(nowOr(now)) + "/" + formatInt(month, 2) + "/" + formatInt(day, 2));
    }
  }
  
  *() {
    standardAttractors(new Attractor1);
  }
}

Began life as a copy of #1022819