Different ways of comparing dates in C#

date_compare.cs

using System;
using System.Collections.Generic;
using System.Linq;

public class Program
{
	public static void Main()
	{
		DateTime a = DateTime.Now;
		DateTime z = DateTime.Parse("2014-06-01 00:00:00");
		
		
		//var list = new DateTime[1];
		//list[0] = (z);
		
		var list = new List<DateTime>();
		list.Add(z);
		
		var expired = list.Any<DateTime>(d => d < a);

		Console.WriteLine("a " + a);
		Console.WriteLine("z " + z);
		Console.WriteLine("expired " + expired);
		
		Console.WriteLine("expired " + (z.CompareTo(a) < 0));
	}
}