using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("====================");

        Console.WriteLine("AM TEST");

        DateTime receivedDateTime = Convert.ToDateTime("1/13/2021 11:12:02 AM");

        Console.WriteLine("\nSAMPLE DATETIME (AM)");

        Console.WriteLine(receivedDateTime);

        Console.WriteLine("\nSAMPLE OUTPUT WITH CURRENT BLUEPRINT FORMAT");

        Console.WriteLine(receivedDateTime.ToString("g", System.Globalization.CultureInfo.CreateSpecificCulture("en-us")));

        Console.WriteLine("\nSAMPLE OUTPUT WITH PROPOSED BLUEPRINT FORMAT");

        Console.WriteLine(receivedDateTime.ToString("yyyy-MM-dd HH:mm:ss", System.Globalization.CultureInfo.CreateSpecificCulture("en-us")));

​

        Console.WriteLine("====================");

        Console.WriteLine("PM TEST");

​

        receivedDateTime = Convert.ToDateTime("1/13/2021 11:12:02 PM");

        Console.WriteLine("\nSAMPLE DATETIME (PM)");

        Console.WriteLine(receivedDateTime);

        Console.WriteLine("\nSAMPLE OUTPUT WITH CURRENT BLUEPRINT FORMAT");

        Console.WriteLine(receivedDateTime.ToString("g", System.Globalization.CultureInfo.CreateSpecificCulture("en-us")));

        Console.WriteLine("\nSAMPLE OUTPUT WITH PROPOSED BLUEPRINT FORMAT");

        Console.WriteLine(receivedDateTime.ToString("yyyy-MM-dd HH:mm:ss", System.Globalization.CultureInfo.CreateSpecificCulture("en-us")));

    }

}