Invalid date | JS en la Web: Almacenando datos en el navegador | Alura Latam

Hola, he tratado hace un rato de organizar el codigo para que no me aparezca en la app invalid date pero me sigue apareciendo, ayuda :(

He copiado el codigo del profesor incluso pero me sigue apareciendo

HTML
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>TODO App</title>
    <link rel="icon" type="image/png" href="./assets/rocket.svg" />
    <link rel="preconnect" href="https://fonts.gstatic.com" />
    <link
      href="https://fonts.googleapis.com/css2?family=Dosis&family=Open+Sans&family=Parisienne&display=swap"
      rel="stylesheet"
    />
    <link
      href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css"
      rel="stylesheet"
    />
    <link rel="stylesheet" href="styles.css" />
  </head>
  <body>
    <main>
      <div class="mainCard">
        <div class="title"><img src="./assets/rocket.svg" /></div>
        <div>
          <form action="">
            <input
              type="text"
              name="task"
              placeholder="Nombre de la tarea"
              class="inputForm"
              autocomplete="off"
              data-form-input
            />
            <input type="datetime-local" data-form-date placeholder="DD/MM/YYYY"/>
            <button type="submit" class="btnCreate" data-form-btn>
              Agregar <i class="fas fa-plus-circle"></i>
            </button>
          </form>
        </div>
        <ul class="cardsList" data-list>
        </ul>
      </div>
    </main>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.29.1/moment.min.js"></script>
    <script type="module" src="/script.js"></script>
  </body>
</html>

JS
import checkComplete from './components/checkComplete.js';
import deleteIcon from './components/deleteIcon.js';

const btn = document.querySelector('[data-form-btn]');

const addTask = (evento) => {
  const list = document.querySelector('[data-list]');
  const task = createTask(evento);
  list.appendChild(task);
};

const createTask = (evento) => {
  evento.preventDefault();
  const input = document.querySelector('[data-form-input]');
  const calendar = document.querySelector('[data-form-date]');
  const value = input.value;
  const date = calendar.value;
  const dateFormat = moment(date).format('DD/MM/YYYY');
  console.log (dateFormat);
  const task = document.createElement('li');
  task.classList.add('card');
  input.value = '';
  //backticks
  const taskContent = document.createElement('div');
  const taskObj = {
    value,
    dateFormat
  }

  sessionStorage.setItem('tasks', JSON.stringify (taskObj));
  const titleTask = document.createElement('span');
  titleTask.classList.add('task');
  titleTask.innerText = value;
  taskContent.appendChild(checkComplete());
  taskContent.appendChild(titleTask);
  // task.innerHTML = content;
  const dateElement = document.createElement('span');
  dateElement.innerHTML = dateFormat;
  task.appendChild(taskContent);
  task.appendChild(dateElement);
  task.appendChild(deleteIcon());
  return task;
};


//Arrow functions o funciones anonimas
btn.addEventListener('click', addTask);