function cmp (a, b) {

  var timeA = a.title.split(" ");
  var timeB = b.title.split(" ");

  let A = parseInt(timeA[1]) + 31* parseInt( months[timeA[2]] ) ;
  let B = parseInt(timeB[1]) + 31* parseInt( months[timeB[2]] ) ;

  let comparison = 0;
  if (A > B ) {
    comparison = 1;
  } else if ( A < B ) {
    comparison = -1;
  }
  return comparison;
}

var months = { "Sep" : 8 , "Oct" : 9 , "Nov" : 10 , "Dec" : 11 };
var days = [ "Sat" , "Sun" , "Mon" , "Tue" , "Wed" , "Thu" , "Fri" ];
var offset = { "Sep" : 0 , "Oct" : 2 , "Nov" : 5 , "Dec" : 0 };

function convertTime ( time  ) {
    let str = time.split(":");
    let h = parseInt(str[0]);
    if ( h >= 12 ) {
          h %=12 ;
        if ( h <= 9 ) return "0"+h+":"+str[1]+"PM";
        return h+":"+str[1]+"PM";
    }
     return time +"AM" ;
}

var func = ( ListOfMovies ) => {
  let ret = [];
  let usedTitles = new Object();
  let newListOfMovies = [] ;
  let currentDate = new Date() ;
    ListOfMovies.forEach ( function ( movie ){
         let currentMovie = [] ;
         currentMovie.name = movie.name ;
         currentMovie.sessions = [] ;
         let used = [] ;
         JSON.parse(movie.list_timing).forEach( function ( detail ) {
          let date = detail.showdate.split(" ");

          if ( months[date[1]] < currentDate.getMonth() ) return ;
          if ( months[date[1]] == currentDate.getMonth() &&  parseInt(date[0]) < currentDate.getDate()  ) return ;

          let cur = days[ ((parseInt(date[0])%7) + offset[date[1]] ) % 7 ] +" "+ date[0] + " " + date[1] ;
          if ( usedTitles[cur] == null ) {
            usedTitles[cur] = 1 ;
            ret.push ( { "title": cur  , "movies": [] } );
          }
          if ( used[cur] == null ) {
              used[cur] = currentMovie.sessions.length ;
              currentMovie.sessions[ used[cur] ] = {"date":cur , "screens" : [] } ;
           }
          let idx = used[cur] ;

          let nw = true ;
          let currentType = detail.cinemaOperatorCode;
          if ( currentType.length > 0 ) currentType = currentType.substr(4);
          if ( currentType.length == 0 ) currentType = "NotDefine" ;

         for ( i =0 ; i < currentMovie.sessions[ idx ].screens.length ; i++ ){
             if ( currentMovie.sessions[ idx ].screens[i].type == currentType ) {
                let toAddTime = new Object();
                toAddTime.time = convertTime( detail.timingShow );
                currentMovie.sessions[ idx ].screens[i].sessions.push(toAddTime);
                nw = false ;
                break;
             }
         }
         if ( nw === true ){
             let nwScreen = { "type" : currentType , "sessions":[] };
             let toAddTime = new Object();
             toAddTime.time = convertTime( detail.timingShow );
             nwScreen.sessions.push(toAddTime);
             currentMovie.sessions[ idx ].screens.push(nwScreen);
         }

         })

         if ( currentMovie.sessions.length > 1 ) {
          currentMovie.sessions[0].date = "Today" ;
          currentMovie.sessions[1].date = "Tomorrow" ;
         }else if ( currentMovie.sessions.length == 1 ) {
          currentMovie.sessions[0].date = "Today" ;
         }

        newListOfMovies.push(currentMovie);

    })

    ret.sort( cmp ) ;

         if (  ret.length > 1 ) {
          ret[0].title = "Today" ;
          ret[1].title = "Tomorrow" ;
         }else if ( ret.length == 1 ) {
          ret[0].title = "Today" ;
         }

   let nwIdx = [];
   for ( i = 0 ; i < ret.length ; i++ ) {
           nwIdx[ ret[i].title ]  = i ;
   }
   newListOfMovies.forEach ( function ( movie ) {
       for ( i = 0; i < movie.sessions.length ; i++ ) {
            ret[ nwIdx[movie.sessions[i].date] ].movies.push(movie);
       }
   })
   return ret;
}

var temp = [
  {
    "id": 661,
    "name": "BOOKING/EVENT/PREMIERE",
    "list_timing": "[{\"showdate\": \"04 Oct 2019\", \"sessionId\": \"264151\", \"timingShow\": \"10:00\", \"cinemaOperatorCode\": \"VOX STANDARD\"}]"
  },
  {
    "id": 702,
    "name": "The Lion King",
    "list_timing": "[{\"showdate\": \"30 Sep 2019\", \"sessionId\": \"262767\", \"timingShow\": \"18:45\", \"cinemaOperatorCode\": \"VOX STANDARD\"}, {\"showdate\": \"30 Sep 2019\", \"sessionId\": \"262882\", \"timingShow\": \"22:40\", \"cinemaOperatorCode\": \"VOX KIDS\"}, {\"showdate\": \"01 Oct 2019\", \"sessionId\": \"262846\", \"timingShow\": \"13:20\", \"cinemaOperatorCode\": \"VOX KIDS\"}, {\"showdate\": \"01 Oct 2019\", \"sessionId\": \"262771\", \"timingShow\": \"18:45\", \"cinemaOperatorCode\": \"VOX STANDARD\"}, {\"showdate\": \"01 Oct 2019\", \"sessionId\": \"262887\", \"timingShow\": \"22:25\", \"cinemaOperatorCode\": \"VOX KIDS\"}, {\"showdate\": \"02 Oct 2019\", \"sessionId\": \"262851\", \"timingShow\": \"13:20\", \"cinemaOperatorCode\": \"VOX KIDS\"}, {\"showdate\": \"02 Oct 2019\", \"sessionId\": \"262775\", \"timingShow\": \"18:45\", \"cinemaOperatorCode\": \"VOX STANDARD\"}, {\"showdate\": \"02 Oct 2019\", \"sessionId\": \"262892\", \"timingShow\": \"22:25\", \"cinemaOperatorCode\": \"VOX KIDS\"}, {\"showdate\": \"03 Oct 2019\", \"sessionId\": \"264010\", \"timingShow\": \"13:45\", \"cinemaOperatorCode\": \"VOX STANDARD\"}, {\"showdate\": \"03 Oct 2019\", \"sessionId\": \"263974\", \"timingShow\": \"17:55\", \"cinemaOperatorCode\": \"VOX KIDS\"}, {\"showdate\": \"03 Oct 2019\", \"sessionId\": \"263976\", \"timingShow\": \"22:35\", \"cinemaOperatorCode\": \"VOX KIDS\"}, {\"showdate\": \"04 Oct 2019\", \"sessionId\": \"264016\", \"timingShow\": \"13:45\", \"cinemaOperatorCode\": \"VOX STANDARD\"}, {\"showdate\": \"05 Oct 2019\", \"sessionId\": \"263946\", \"timingShow\": \"10:50\", \"cinemaOperatorCode\": \"VOX KIDS\"}, {\"showdate\": \"05 Oct 2019\", \"sessionId\": \"264022\", \"timingShow\": \"13:45\", \"cinemaOperatorCode\": \"VOX STANDARD\"}, {\"showdate\": \"05 Oct 2019\", \"sessionId\": \"263986\", \"timingShow\": \"17:55\", \"cinemaOperatorCode\": \"VOX KIDS\"}, {\"showdate\": \"05 Oct 2019\", \"sessionId\": \"263988\", \"timingShow\": \"22:35\", \"cinemaOperatorCode\": \"VOX KIDS\"}, {\"showdate\": \"06 Oct 2019\", \"sessionId\": \"264028\", \"timingShow\": \"13:45\", \"cinemaOperatorCode\": \"VOX STANDARD\"}, {\"showdate\": \"06 Oct 2019\", \"sessionId\": \"263991\", \"timingShow\": \"17:55\", \"cinemaOperatorCode\": \"VOX KIDS\"}, {\"showdate\": \"06 Oct 2019\", \"sessionId\": \"263993\", \"timingShow\": \"22:35\", \"cinemaOperatorCode\": \"VOX KIDS\"}, {\"showdate\": \"07 Oct 2019\", \"sessionId\": \"264034\", \"timingShow\": \"13:45\", \"cinemaOperatorCode\": \"VOX STANDARD\"}, {\"showdate\": \"07 Oct 2019\", \"sessionId\": \"263996\", \"timingShow\": \"17:55\", \"cinemaOperatorCode\": \"VOX KIDS\"}, {\"showdate\": \"07 Oct 2019\", \"sessionId\": \"263998\", \"timingShow\": \"22:35\", \"cinemaOperatorCode\": \"VOX KIDS\"}, {\"showdate\": \"08 Oct 2019\", \"sessionId\": \"264040\", \"timingShow\": \"13:45\", \"cinemaOperatorCode\": \"VOX STANDARD\"}, {\"showdate\": \"08 Oct 2019\", \"sessionId\": \"264001\", \"timingShow\": \"17:55\", \"cinemaOperatorCode\": \"VOX KIDS\"}, {\"showdate\": \"08 Oct 2019\", \"sessionId\": \"264003\", \"timingShow\": \"22:35\", \"cinemaOperatorCode\": \"VOX KIDS\"}, {\"showdate\": \"09 Oct 2019\", \"sessionId\": \"264046\", \"timingShow\": \"13:45\", \"cinemaOperatorCode\": \"VOX STANDARD\"}, {\"showdate\": \"09 Oct 2019\", \"sessionId\": \"264006\", \"timingShow\": \"17:55\", \"cinemaOperatorCode\": \"VOX KIDS\"}]"
  },
  {
    "id": 698,
    "name": "The Big Trip",
    "list_timing": "[{\"showdate\": \"30 Sep 2019\", \"sessionId\": \"262880\", \"timingShow\": \"18:15\", \"cinemaOperatorCode\": \"VOX KIDS\"}, {\"showdate\": \"01 Oct 2019\", \"sessionId\": \"262885\", \"timingShow\": \"18:15\", \"cinemaOperatorCode\": \"VOX KIDS\"}, {\"showdate\": \"02 Oct 2019\", \"sessionId\": \"262890\", \"timingShow\": \"18:15\", \"cinemaOperatorCode\": \"VOX KIDS\"}]"
  },
  {
    "id": 701,
    "name": "Once Upon A Time in Hollywood (Distraction Free)",
    "list_timing": "[{\"showdate\": \"30 Sep 2019\", \"sessionId\": \"262700\", \"timingShow\": \"18:45\", \"cinemaOperatorCode\": \"\"}, {\"showdate\": \"01 Oct 2019\", \"sessionId\": \"262705\", \"timingShow\": \"18:45\", \"cinemaOperatorCode\": \"\"}, {\"showdate\": \"02 Oct 2019\", \"sessionId\": \"262710\", \"timingShow\": \"18:45\", \"cinemaOperatorCode\": \"\"}, {\"showdate\": \"04 Oct 2019\", \"sessionId\": \"263807\", \"timingShow\": \"11:00\", \"cinemaOperatorCode\": \"\"}, {\"showdate\": \"05 Oct 2019\", \"sessionId\": \"263812\", \"timingShow\": \"11:00\", \"cinemaOperatorCode\": \"\"}]"
  }];

var result = func( temp );