JSFiddle - React, Tailwind, and code Playground

HTML

<div class="Lojas">
    <p class="Loja">Loja 1</p>
    <p class="Horario" data-open="8" data-close="18">Aberto Todos os dias das 8:00 as 18:00</p>
 </div>
 <div class="Lojas">
    <p class="Loja">Loja 2</p>
    <p class="Horario" data-open="10" data-close="20">Aberto Todos os dias das 10:00 as 20:00</p>
 </div>

JavaScript

var agora = new Date();
var horario = agora.getHours();

$(".Horario").each(function(){
	var open = $(this).data("open");
  var close = $(this).data("close");
  var span = document.createElement("span");
  if(horario > open && horario < close){
  	span.innerHTML = "ABERTO";
  }else{
  	span.innerHTML = "FECHADO";
  }
  $(this).parent().append(span);
})