日期时间转英文格式

ENdateTranslation(date){
        var dt = new Date(date);
        var m=new Array("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Spt","Oct","Nov","Dec");
        var w=new Array("Mon","Tue","Wed","Thu","Fri","Sat","Sun");
        var d=new Array("st","nd","rd","th");
        let mn=dt.getMonth();
        let wn=dt.getDay();
        let dn=dt.getDate();
        var dns;
        if(((dn%10)<1) ||((dn%10)>3)){
            dns=d[3];
        } else{
            dns=d[(dn%10)-1];
            if((dn==11)||(dn==12)){
                dns=d[3];
            }
        }
        return (w[wn-1] +" , " +" "+dn + m[mn]);
 },
 var scheduledDateTime="2019-12-31 09:10:00"
 ENdateTranslation(scheduledDateTime)    
 //  Tue , 31Dec