Dates and Times Parsing

using System;

class MainClass
{
    public static void Main(string[] args)
    {
        string ds1 = "Sep 2010";
        string ds2 = "25 December 2010 13:15:33";
        string ds3 = "5,9,5";
        string ds4 = "5/9/2010 14:15:33";
        string ds5 = "2:15 PM";

        DateTime dt1 = DateTime.Parse(ds1);
        DateTime dt2 = DateTime.Parse(ds2);
        DateTime dt3 = DateTime.Parse(ds3);
        DateTime dt4 = DateTime.Parse(ds4);
        DateTime dt5 = DateTime.Parse(ds5);

        // Display the converted DateTime objects. 
        Console.WriteLine("String: {0} DateTime: {1}", ds1, dt1);
        Console.WriteLine("String: {0} DateTime: {1}", ds2, dt2);
        Console.WriteLine("String: {0} DateTime: {1}", ds3, dt3);
        Console.WriteLine("String: {0} DateTime: {1}", ds4, dt4);
        Console.WriteLine("String: {0} DateTime: {1}", ds5, dt5);

        // Parse only strings containing LongTimePattern. 
        DateTime dt6 = DateTime.ParseExact("2:13:30 PM", "h:mm:ss tt", null);

        // Parse only strings containing RFC1123Pattern. 
        DateTime dt7 = DateTime.ParseExact("05 Sep 2010 14:13:30 GMT", "dd MMM yyyy HH':'mm':'ss 'GMT'", null);

        // Parse only strings containing MonthDayPattern. 
        DateTime dt8 = DateTime.ParseExact("September 05", "MMMM dd", null);

        // Display the converted DateTime objects. 
        Console.WriteLine(dt6);
        Console.WriteLine(dt7);
        Console.WriteLine(dt8);
    }
}