JapaneseCalendar.GetDayOfWeek メソッド

.NET Framework クラス ライブラリ リファレンス

JapaneseCalendar.GetDayOfWeek メソッド

指定した DateTime の曜日を返します。

名前空間: System.Globalization
アセンブリ: mscorlib (mscorlib.dll 内)
構文

Visual Basic (宣言)

Public Overrides Function
 GetDayOfWeek ( _
    time As DateTime _
) As DayOfWeek

Visual Basic (使用法)

Dim instance As JapaneseCalendar
Dim time As DateTime
Dim returnValue As DayOfWeek

returnValue = instance.GetDayOfWeek(time)

C#

public override DayOfWeek GetDayOfWeek (
    DateTime time
)

C++

public:
virtual DayOfWeek GetDayOfWeek (
    DateTime time
) override

J#

public DayOfWeek GetDayOfWeek (
    DateTime time
)

JScript

public override function GetDayOfWeek (
    time : DateTime
) : DayOfWeek

パラメータ

time

読み取る対象の DateTime。

戻り値
指定した DateTime の曜日を表す DayOfWeek 値。

解説

DayOfWeek 値は次のとおりです。

DayOfWeek 値	内容
Sunday	日曜日 (Nichiyoubi)
Monday	月曜日 (Getsuyoubi)
Tuesday	火曜日 (Kayoubi)
Wednesday	水曜日 (Suiyoubi)
Thursday	木曜日 (Mokuyoubi)
Friday	金曜日 (Kinyoubi)
Saturday	土曜日 (Doyoubi)

使用例

DateTime のいくつかのコンポーネントの値を和暦で表示する例を次に示します。

Visual Basic

Imports System
Imports System.Globalization


Public Class SamplesJapaneseCalendar   

   Public Shared Sub Main()

      ' Sets a DateTime to April 3, 2002 of the Gregorian calendar.
      Dim myDT As New DateTime(2002,
 4, 3, New GregorianCalendar())

      ' Creates an instance of the JapaneseCalendar.
      Dim myCal As New JapaneseCalendar()

      ' Displays the values of the DateTime.
      Console.WriteLine("April 3, 2002 of the Gregorian calendar
 equals the following in the Japanese 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)

   End Sub 'Main

   Public Shared Sub DisplayValues(myCal
 As Calendar, myDT As DateTime)
      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()
   End Sub 'DisplayValues

End Class 'SamplesJapaneseCalendar
 


'This code produces the following output.

'

'April 3, 2002 of the Gregorian calendar equals the following in the
 Japanese calendar:
'   Era:        4
'   Year:       14
'   Month:      4
'   DayOfYear:  93
'   DayOfMonth: 3
'   DayOfWeek:  Wednesday
'
'After adding two years and ten months:
'   Era:        4
'   Year:       17
'   Month:      2
'   DayOfYear:  34
'   DayOfMonth: 3
'   DayOfWeek:  Thursday

C#

using System;
using System.Globalization;


public class SamplesJapaneseCalendar  {

   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 JapaneseCalendar.
      JapaneseCalendar myCal = new JapaneseCalendar();

      // Displays the values of the DateTime.
      Console.WriteLine( "April 3, 2002 of the Gregorian calendar equals the
 following in the Japanese 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 Japanese calendar:
   Era:        4
   Year:       14
   Month:      4
   DayOfYear:  93
   DayOfMonth: 3
   DayOfWeek:  Wednesday

After adding two years and ten months:
   Era:        4
   Year:       17
   Month:      2
   DayOfYear:  34
   DayOfMonth: 3
   DayOfWeek:  Thursday

*/

C++

using namespace System;
using namespace System::Globalization;
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();
}

int main()
{
   
   // Sets a DateTime to April 3, 2002 of the Gregorian calendar.
   DateTime myDT = DateTime(2002,4,3,gcnew GregorianCalendar);
   
   // Creates an instance of the JapaneseCalendar.
   JapaneseCalendar^ myCal = gcnew JapaneseCalendar;
   
   // Displays the values of the DateTime.
   Console::WriteLine( "April 3, 2002 of the Gregorian calendar equals the following in
 the Japanese 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 );
}

/*
This code produces the following output.

April 3, 2002 of the Gregorian calendar equals the following in
 the Japanese calendar:
   Era:        4
   Year:       14
   Month:      4
   DayOfYear:  93
   DayOfMonth: 3
   DayOfWeek:  Wednesday

After adding two years and ten months:
   Era:        4
   Year:       17
   Month:      2
   DayOfYear:  34
   DayOfMonth: 3
   DayOfWeek:  Thursday

*/

J#

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

public class SamplesJapaneseCalendar
{   
    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 JapaneseCalendar.
        JapaneseCalendar myCal =  new JapaneseCalendar();

        // Displays the values of the DateTime.
        Console.WriteLine("April 3, 2002 of the Gregorian calendar equals"
            + " the following in the Japanese 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}",
            System.Convert.ToString(myCal.GetDayOfWeek(myDT)));
        Console.WriteLine();
    } //DisplayValues
} //SamplesJapaneseCalendar 

/*
This code produces the following output.

April 3, 2002 of the Gregorian calendar equals the following in
 the 
    Japanese calendar:
   Era:        4
   Year:       14
   Month:      4
   DayOfYear:  93
   DayOfMonth: 3
   DayOfWeek:  Wednesday

After adding two years and ten months:
   Era:        4
   Year:       17
   Month:      2
   DayOfYear:  34
   DayOfMonth: 3
   DayOfWeek:  Thursday

*/

プラットフォーム

Windows 98, Windows 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

開発プラットフォームの中には、.NET Framework によってサポートされていないバージョンがあります。サポートされているバージョンについては、「システム要件」を参照してください。

バージョン情報

.NET Framework
サポート対象 : 2.0、1.1、1.0
.NET Compact Framework
サポート対象 : 2.0、1.0

参照

関連項目
JapaneseCalendar クラス
JapaneseCalendar メンバ
System.Globalization 名前空間
DateTime.DayOfWeek
System.DayOfWeek
GetEra
GetYear
GetMonth
GetDayOfYear
GetDayOfMonth
Calendar.GetWeekOfYear