using System;

using System.Globalization;

public class Program

{

    public static void Main()

    {

        var date = new DateTime(2019,07,10);

        // a set of codes from https://www.andiamo.co.uk/resources/iso-language-codes/

        var cultures = new System.Collections.Generic.List<CultureInfo>{

            new CultureInfo("en-US"),

            new CultureInfo("en-UK"),

            new CultureInfo("en-GB"),

            new CultureInfo("fr"),

            new CultureInfo("fr-BE"),

            new CultureInfo("fr-LU"),

            new CultureInfo("nl-BE"),

            new CultureInfo("nl"),

        };

        foreach(var c in cultures){

            Console.WriteLine(c.Name.PadRight(15)+": " + date.ToString("d", c));

        }

    }

}