JSFiddle - React, Tailwind, and code Playground

JavaScript

var date = new Date();
if (date.getDay() == 1 && date.getHours()< 14){
  alert ('среда');
}
if (date.getDay() == 1 && date.getHours()> 14){
  alert ('пятница');
}
if (date.getDay() == 2){
  alert ('пятница');
}
if (date.getDay() == 3 && date.getHours()< 14){
  alert ('пятница');
}
else {
  alert ('понедельник');
}