Google app script to make a trigger not run on a weekend

ShouldTriggerRun.gs

function shouldRunTrigger() {
  var days = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];
  var date = new Date();
  var day = days[date.getDay()];
  var hours = date.getHours();
  if ((day === "Fri" && hours >= 17) || (day === "Sat" && hours <= 22)) {
    return false;
  }
  return true;
}

function myTrigger() {
  if (!shouldRunTrigger()) return;
  // trigger code here
}