GetDayOfYear Method

TaiwanCalendar.GetDayOfYear Method

Returns the day of the year in the specified DateTime.

Namespace: System.Globalization
Assembly: mscorlib (in mscorlib.dll)

public override int GetDayOfYear (
	DateTime time
)
public int GetDayOfYear (
	DateTime time
)
public override function GetDayOfYear (
	time : DateTime
) : int
Not applicable.

Parameters

time

The DateTime to read.

Return Value

An integer from 1 to 366 that represents the day of the year in the specified DateTime.

The day of the year is defined as the number of days from the first day of the year. For example, GetDayOfYear for the first day of the first month returns 1, and GetDayOfYear for the last day of the last month returns the total number of days in that year. The total is the same as the value returned by GetDaysInYear.

The following code example displays the values of several components of a DateTime in terms of the Taiwan calendar.

using System;
using System.Globalization;


public class SamplesTaiwanCalendar  {

   public static void Main()  {

      // Sets a DateTime to April 3, 2002 of the Gregorian calendar.
      DateTime myDT = new DateTime( 2002, 4, 3, new GregorianCalendar() );

      // Creates an instance of the TaiwanCalendar.
      TaiwanCalendar myCal = new TaiwanCalendar();

      // Displays the values of the DateTime.
      Console.WriteLine( "April 3, 2002 of the Gregorian calendar equals the following in the Taiwan calendar:" );
      DisplayValues( myCal, myDT );

      // Adds two years and ten months.
      myDT = myCal.AddYears( myDT, 2 );
      myDT = myCal.AddMonths( myDT, 10 );

      // Displays the values of the DateTime.
      Console.WriteLine( "After adding two years and ten months:" );
      DisplayValues( myCal, myDT );

   }

   public static void DisplayValues( Calendar myCal, DateTime myDT )  {
      Console.WriteLine( "   Era:        {0}", myCal.GetEra( myDT ) );
      Console.WriteLine( "   Year:       {0}", myCal.GetYear( myDT ) );
      Console.WriteLine( "   Month:      {0}", myCal.GetMonth( myDT ) );
      Console.WriteLine( "   DayOfYear:  {0}", myCal.GetDayOfYear( myDT ) );
      Console.WriteLine( "   DayOfMonth: {0}", myCal.GetDayOfMonth( myDT ) );
      Console.WriteLine( "   DayOfWeek:  {0}", myCal.GetDayOfWeek( myDT ) );
      Console.WriteLine();
   }

}

/*
This code produces the following output.

April 3, 2002 of the Gregorian calendar equals the following in the Taiwan calendar:
   Era:        1
   Year:       91
   Month:      4
   DayOfYear:  93
   DayOfMonth: 3
   DayOfWeek:  Wednesday

After adding two years and ten months:
   Era:        1
   Year:       94
   Month:      2
   DayOfYear:  34
   DayOfMonth: 3
   DayOfWeek:  Thursday

*/

import System.*;
import System.Globalization.*;

public class SamplesTaiwanCalendar
{   
    public static void main(String[] args)
    {
        // Sets a DateTime to April 3, 2002 of the Gregorian calendar.
        DateTime myDT =  new DateTime(2002, 4, 3, new GregorianCalendar());

        // Creates an instance of the TaiwanCalendar.
        TaiwanCalendar myCal =  new TaiwanCalendar();

        // Displays the values of the DateTime.
        Console.WriteLine("April 3, 2002 of the Gregorian calendar equals "
            + "the following in the Taiwan calendar:");
        DisplayValues(myCal, myDT);

        // Adds two years and ten months.
        myDT = myCal.AddYears(myDT, 2);
        myDT = myCal.AddMonths(myDT, 10);

        // Displays the values of the DateTime.
        Console.WriteLine("After adding two years and ten months:");
        DisplayValues(myCal, myDT);
    } //main
   
    public static void DisplayValues(Calendar myCal, DateTime myDT) 
    {
        Console.WriteLine("   Era:        {0}",
            System.Convert.ToString( myCal.GetEra(myDT)));
        Console.WriteLine("   Year:       {0}", 
            System.Convert.ToString( myCal.GetYear(myDT)));
        Console.WriteLine("   Month:      {0}", 
            System.Convert.ToString( myCal.GetMonth(myDT)));
        Console.WriteLine("   DayOfYear:  {0}", 
            System.Convert.ToString( myCal.GetDayOfYear(myDT)));
        Console.WriteLine("   DayOfMonth: {0}", 
            System.Convert.ToString( myCal.GetDayOfMonth(myDT)));
        Console.WriteLine("   DayOfWeek:  {0}", 
            myCal.GetDayOfWeek(myDT));
        Console.WriteLine();
    } //DisplayValues
} //SamplesTaiwanCalendar 

/*
This code produces the following output.

April 3,2002 of the Gregorian calendar equals the following in the Taiwan calen
dar:
   Era:        1
   Year:       91
   Month:      4
   DayOfYear:  93
   DayOfMonth: 3
   DayOfWeek:  Wednesday

After adding two years and ten months:
   Era:        1
   Year:       94
   Month:      2
   DayOfYear:  34
   DayOfMonth: 3
   DayOfWeek:  Thursday

*/

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0

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