using System;

using System.Collections.Generic;

using System.Linq;

using System.Net;

using HtmlAgilityPack;

public class Program

{

    public static void Main()

    {

        var url = "https://www.timeanddate.com/holidays/andorra/";

        var client = new WebClient();

        var html = client.DownloadString(url);

​

        var document = new HtmlDocument();

        document.LoadHtml(html);

​

        List<List<string>> holidays = document

            .DocumentNode

            .SelectNodes("//table[@id='holidays-table']/tbody/tr")

            .Select(tr => tr.ChildNodes

                    .Where(n => n.Name == "th" || n.Name == "td")

                    .Select(n => n.InnerText.Trim())

                    .ToList())

            .Where(row => row.Any())  // filter out empty rows

            .ToList();

​

        foreach (var row in holidays)

        {

            Console.WriteLine(string.Join(", ", row));

        }

    }

}

​