​

​

var y=1970;

var m=[0,1,2,3,4,5,6,7,8,9,10,11];

​

for (var i=0;i<150;i++)

{

​

  for (var j=0;j<12;j++)

  {

var a= new Date (y+i,m[j],20);

var b= new Date (y+i,m[j],26);

​

​

 var days = Math.round((b - a) / ( 1000 * 60 * 60 * 24)) +1 ;

    if (days!=7) console.log(i+y);

  }

}

​

console.log('-FINISH-'+new Date().getTime())

​

​

​

​

​