using System;

public class Program

{

    public static void Main()

    {

        DateTime datevariable = DateTime.Now;

        var TimeInPM = datevariable.ToString("hh:mm tt");   // this show  10:10 PM

        var twentyFourHoursTime=datevariable.ToString("HH:mm");     // this shows 22:10

        Console.WriteLine(TimeInPM);

        Console.WriteLine(twentyFourHoursTime);

        string currentDateString = DateTime.Now.ToString("dd-MMM-yyyy h:mm tt");

DateTime currentDate = Convert.ToDateTime(currentDateString);

Console.WriteLine("String Current Date: " + currentDateString);

Console.WriteLine("Converted Date: " + currentDate.ToString("dd-MMM-yyyy HH:mm"));

​

//Console.Read();

    }

}