Check the weekend and change the text in js

Opentime.js

$(document).ready(function(){
  var date = new Date()
  var is_weekend = ''

  if(date.getDay() == 1) {
    is_weekend = "Today is closed";
  } else if (date.getDay() == 2 || date.getDay() == 5) {
    is_weekend = "Ma nyitva 16:00-ig";
  }  else {
    is_weekend = "Ma nyitva 18:00-ig";
  }
  
  document.getElementById("open-text").innerHTML = is_weekend;
});