using System;

using System.Globalization;

using System.Collections.Generic;                   

​

public class Program

{

    public static void Main()

    {

        var cultures = new List<CultureInfo>

        {

            CultureInfo.CreateSpecificCulture("en-US"),

            CultureInfo.CreateSpecificCulture("en-CA")

        };

        Console.WriteLine("-----------------------------------------");

        Console.WriteLine("Default DateTime Separator");

        Console.WriteLine("-----------------------------------------");

        foreach(var cultureInfo in cultures)

        {

            Console.WriteLine(cultureInfo.Name + ": " +  cultureInfo.DateTimeFormat.DateSeparator);

        }

        Console.WriteLine();

        Console.WriteLine();

        var now = DateTime.Now;

        Console.WriteLine("-----------------------------------------");

        Console.WriteLine(":DateTime.ToString(\"dd/MMM/yyyy\")");

        Console.WriteLine("-----------------------------------------");

        foreach(var cultureInfo in cultures)

        {

            Console.WriteLine(cultureInfo.Name + ": " +  now.ToString(@"dd/MMM/yyyy", cultureInfo));

        }

    }

}