Flatpickr Datatime Picker
<!DOCTYPE html>
<html lang="ru">
<head>
<meta charset="UTF-8">
<title>Flatpickr Пример</title>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/flatpickr/dist/flatpickr.min.css">
</head>
<body>
<label for="date">Выберите дату (ДД/ММ/ГГГГ):</label>
<input type="text" id="date" name="date" placeholder="ДД/ММ/ГГГГ">
<script src="https://cdn.jsdelivr.net/npm/flatpickr"></script>
<script>
flatpickr("#date", {
dateFormat: "d/m/Y", // Установка формата даты
});
</script>
</body>
</html>