Color date dumper

using System;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            while (true)
            {
                switch (int.Parse(new Random().GetHashCode().ToString().Substring(0, 1)))
                {
                    case 1:
                        Console.ForegroundColor = ConsoleColor.Blue;
                        break;
                    case 2:
                        Console.ForegroundColor = ConsoleColor.Red;
                        break;
                    case 3:
                        Console.ForegroundColor = ConsoleColor.Green;
                        break;
                    case 4:
                        Console.ForegroundColor = ConsoleColor.Yellow;
                        break;
                    case 5:
                        Console.ForegroundColor = ConsoleColor.Magenta;
                        break;
                    case 6:
                        Console.ForegroundColor = ConsoleColor.Gray;
                        break;
                    case 7:
                        Console.ForegroundColor = ConsoleColor.Cyan;
                        break;
                    case 8:
                        Console.ForegroundColor = ConsoleColor.DarkCyan;
                        break;
                    case 9:
                        Console.ForegroundColor = ConsoleColor.DarkGreen;
                        break;
                    default:
                        Console.ForegroundColor = ConsoleColor.White;
                        break;
                }

                Console.WriteLine($"This is our date and time: {DateTime.Now}");
                Console.WriteLine($"{System.Threading.Thread.CurrentThread.CurrentCulture}");
                System.Threading.Thread.Sleep(1000);
            }
        }
    }
}