using System.Collections.Generic;
using System.Threading.Tasks;
using System.Globalization;
static void Main(string[] args)
DateTime Now = DateTime.Now;
int dayOfYear = DateTime.Now.DayOfYear;
Console.WriteLine("Vandaag");
Console.WriteLine("Vandaag is het het jaar " + DateTime.Now.Year);
Console.WriteLine("Vandaag valt in de maand " + DateTime.Now.ToString("MMMM"));
Console.WriteLine("Vandaag is het " + DateTime.Now.DayOfWeek);
Console.WriteLine("Het is vandaag de " + DateTime.Now.Day + "e dag van de maand");
Console.WriteLine("Het is vandaag de " + DateTime.Now.DayOfYear + "e van het jaar " + DateTime.Now.Year);
DateTimeFormatInfo dfi = DateTimeFormatInfo.CurrentInfo;
Calendar cal = dfi.Calendar;
Console.WriteLine("Het week nummer is: {1} ", Now, cal.GetWeekOfYear(Now, dfi.CalendarWeekRule, dfi.FirstDayOfWeek));