Program.cs

using System;
using System.Threading;

namespace ConsoleApplication3 {
	class Program {
		static void Main(string[] args) {
			Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo("en-US");
			Thread.CurrentThread.CurrentTimeZone = TimeZoneInfo.FindSystemTimeZoneById("Mountain Standard Time");

			DateTime postedDk = new DateTime(2016, 12, 17, 6, 28, 0, DateTimeKind.Local);

			Console.WriteLine($"Posted by me, in Denmark, at {postedDk.ToLongDateString()} {postedDk.ToLongTimeString()} local time");

      Console.WriteLine($"And displays as {Thread.CurrentThread.CurrentTimeZone.DisplayName} time: {postedDk.ToLongDateString(Thread.CurrentThread.CurrentTimeZone)} {postedDk.ToLongTimeString(Thread.CurrentThread.CurrentTimeZone)}");

			Console.ReadLine();
		}
	}
}