using System;

using System.Collections.Generic;

using System.Globalization;

using System.Linq;

using System.Text;

​

namespace ConsoleApplication2

{

    public class Program

    {

        public static void Main(string[] args)

        {

              BasicDate();

             Console.WriteLine(Convert.ToDateTime("2018/04/13"));

            string inputDate = Console.ReadLine();

            DateTime convertedDate = DateTime.Parse(inputDate, CultureInfo.CurrentCulture);

                DateTime convertedExact = DateTime.ParseExact(inputDate, "dd mm yyyy", null);

            DateTime convertedTryExact;

            if (DateTime.TryParseExact(inputDate, "dd mm yyyy", null, DateTimeStyles.None, out convertedTryExact))

            {

                Console.WriteLine(convertedTryExact);

            }

            else

            {

                Console.WriteLine("Invalid date format");

            }

          //  Console.WriteLine(convertedExact);

​

        }

​

        private static void BasicDate()

        {

            DateTime currentDateTime = DateTime.Now;

            Console.WriteLine(DateTime.Now);

            Console.WriteLine(currentDateTime.ToShortDateString());

            Console.WriteLine(currentDateTime.ToShortTimeString());

            Console.WriteLine(currentDateTime.ToLongDateString());

            Console.WriteLine(currentDateTime.ToLongTimeString());

​

            Console.WriteLine(currentDateTime.ToString("MMMM dd, yyyy"));

            //Console.WriteLine(currentDateTime.ToString("dd-MM-yyyy"));

​

            DateTime oldDate = new DateTime(2018, 4, 12);

            Console.WriteLine(DateTime.IsLeapYear(2016));

            TimeSpan duration = currentDateTime - oldDate;

            // Console.WriteLine(duration.Days);

            //Console.WriteLine(duration.Hours);

            //Console.WriteLine(duration.Minutes);

            //Console.WriteLine(duration.Seconds);

            //////Get total hours from days

            //TimeSpan fromDuration = TimeSpan.FromDays(1);

             //Console.WriteLine(fromDuration.TotalHours);

​

            TimeSpan newTimeDuration = new TimeSpan(1, 2, 30, 0);

            Console.WriteLine(DateTime.Now.AddDays(1));

            Console.WriteLine(DateTime.Now.AddHours(1));

            Console.WriteLine(DateTime.Now.Add(newTimeDuration));

​

        }

    }

}

​