C# Calendar class of current culture

using System;

using System.Globalization; // to use CultureInfo class

namespace ConsoleCultureInfo

{

    class Program

    {

        static void Main(string[] args)

        {

            //get current culture info and its properties

            CultureInfo currentCi = CultureInfo.CurrentCulture;

            Calendar clndr = currentCi.Calendar;

            Console.WriteLine("Year: {0}",clndr.GetYear(DateTime.Now));

            Console.WriteLine("Month: {0}",clndr.GetMonth(DateTime.Now));

            Console.WriteLine("Is Leap year: {0}",clndr.IsLeapYear(2021));

            Console.WriteLine("Three months later from the current month: {0}", clndr.AddMonths(DateTime.Now, 3));

            Console.ReadKey();

        }

    }

}

OUTPUT

Year: 2021

Month: 5

Is Leap year: False

Three months later from the current month: 2021-08-04 3:05:11 PM