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JapaneseCalendar.xml
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JapaneseCalendar.xml
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<Type Name="JapaneseCalendar" FullName="System.Globalization.JapaneseCalendar">
<TypeSignature Language="C#" Value="public class JapaneseCalendar : System.Globalization.Calendar" />
<TypeSignature Language="ILAsm" Value=".class public auto ansi beforefieldinit JapaneseCalendar extends System.Globalization.Calendar" FrameworkAlternate="dotnet-uwp-10.0;net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netcore-1.0;netcore-1.1;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;netstandard-1.3;netstandard-1.4;netstandard-1.6;netstandard-2.0;netstandard-2.1" />
<TypeSignature Language="DocId" Value="T:System.Globalization.JapaneseCalendar" />
<TypeSignature Language="VB.NET" Value="Public Class JapaneseCalendar
Inherits Calendar" />
<TypeSignature Language="F#" Value="type JapaneseCalendar = class
 inherit Calendar" />
<TypeSignature Language="C++ CLI" Value="public ref class JapaneseCalendar : System::Globalization::Calendar" />
<TypeSignature Language="ILAsm" Value=".class public auto ansi serializable JapaneseCalendar extends System.Globalization.Calendar" FrameworkAlternate="netframework-1.1" />
<TypeSignature Language="ILAsm" Value=".class public auto ansi serializable beforefieldinit JapaneseCalendar extends System.Globalization.Calendar" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<AssemblyInfo>
<AssemblyName>System.Globalization.Calendars</AssemblyName>
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</AssemblyInfo>
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</AssemblyInfo>
<TypeForwardingChain>
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<Base>
<BaseTypeName>System.Globalization.Calendar</BaseTypeName>
</Base>
<Interfaces />
<Attributes>
<Attribute FrameworkAlternate="net-8.0;net-9.0">
<AttributeName Language="C#">[System.Runtime.CompilerServices.Nullable(0)]</AttributeName>
<AttributeName Language="F#">[<System.Runtime.CompilerServices.Nullable(0)>]</AttributeName>
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<Attribute FrameworkAlternate="net-8.0;net-9.0">
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</Attribute>
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<AttributeName Language="C#">[System.Runtime.InteropServices.ComVisible(true)]</AttributeName>
<AttributeName Language="F#">[<System.Runtime.InteropServices.ComVisible(true)>]</AttributeName>
</Attribute>
</Attributes>
<Docs>
<summary>Represents the Japanese calendar.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The Japanese calendar, which is also known as the Wareki calendar, works exactly like the Gregorian calendar, except that the year and era are different.
> [!NOTE]
> For information about using the <xref:System.Globalization.JapaneseCalendar> class and the other calendar classes in .NET, see [Working with Calendars](/dotnet/standard/datetime/working-with-calendars).
The Japanese calendar recognizes one era for every emperor's reign. The two most recent eras are the Heisei era, beginning in the Gregorian calendar year 1989, and the Reiwa era, beginning in the Gregorian calendar year 2019. The era name is typically displayed before the year. For example, the Gregorian calendar year 2001 is the Japanese calendar year Heisei 13. Note that the first year of an era is called "Gannen." Therefore, the Gregorian calendar year 1989 was the Japanese calendar year Heisei Gannen. By default, formatting operations with specified date and time format strings, such as "D", "F", and "Y", output Gannen rather than "1" in the result string.
[!INCLUDE[japanese-era-note](~/includes/calendar-era.md)]
This class assigns numbers to the eras as follows:
|GetEra value|Era Name|Era Abbreviation|Gregorian Dates|
|------------------|--------------|----------------------|---------------------|
|5|令和 (Reiwa)|令和 (R, r)|May 1, 2019 to present|
|4|平成 (Heisei)|平 (H, h)|January 8, 1989 to April 30, 2019|
|3|昭和 (Showa)|昭 (S, s)|December 25, 1926 to January 7, 1989|
|2|大正 (Taisho)|大 (T, t)|July 30, 1912 to December 24, 1926|
|1|明治 (Meiji)|明 (M, m)|September 8, 1868 to July 29, 1912|
This class handles dates from September 8 in the year Meiji 1 (in the Gregorian calendar, September 8, 1868). Although the Japanese calendar was switched from a lunar calendar to a solar calendar in the year Meiji 6 (1873 of the Gregorian calendar), this implementation is based on the solar calendar only.
Leap years in the Japanese calendar correspond to the same leap years in the Gregorian calendar. A leap year in the Gregorian calendar is defined as a Gregorian year that is evenly divisible by four, except if it is divisible by 100. However, Gregorian years that are divisible by 400 are leap years. A common year has 365 days and a leap year has 366 days.
The Japanese calendar has 12 months with 28 to 31 days each:
|GetMonth value|Month|English|Days in common years|Days in leap years|
|--------------------|-----------|-------------|--------------------------|------------------------|
|1|1月 (Ichigatsu)|January|31|31|
|2|2月 (Nigatsu)|February|28|29|
|3|3月 (Sangatsu)|March|31|31|
|4|4月 (Shigatsu)|April|30|30|
|5|5月 (Gogatsu)|May|31|31|
|6|6月 (Rokugatsu)|June|30|30|
|7|7月 (Shichigatsu)|July|31|31|
|8|8月 (Hachigatsu)|August|31|31|
|9|9月 (Kugatsu)|September|30|30|
|10|10月 (Juugatsu)|October|31|31|
|11|11月 (Juuichigatsu)|November|30|30|
|12|12月 (Juunigatsu)|December|31|31|
Nigatsu, which is equivalent to the Gregorian calendar month of February, has 29 days during leap years and 28 during common years.
The date January 1, 2001 A.D. in the Gregorian calendar is equivalent to the first day of Ichigatsu in the year Heisei 13 in the Japanese calendar.
If the <xref:System.Globalization.JapaneseCalendar> is the current calendar of the Japanese culture, <xref:System.DateTime.Parse%2A?displayProperty=nameWithType> recognizes the era abbreviations in front of the year. The abbreviation is either the single-character case-insensitive Latin alphabet abbreviation or the single-character Kanji abbreviation. <xref:System.DateTime.Parse%2A?displayProperty=nameWithType> also recognizes either "1" or Gannen (元年) as the first year of an era.
Each <xref:System.Globalization.CultureInfo> object supports a set of calendars. The <xref:System.Globalization.CultureInfo.Calendar%2A> property returns the default calendar for the culture, and the <xref:System.Globalization.CultureInfo.OptionalCalendars%2A> property returns an array containing all the calendars supported by the culture. To change the calendar used by a <xref:System.Globalization.CultureInfo>, set the <xref:System.Globalization.DateTimeFormatInfo.Calendar%2A?displayProperty=nameWithType> property to a new <xref:System.Globalization.Calendar>.
]]></format>
</remarks>
<altmember cref="T:System.Globalization.Calendar" />
<altmember cref="T:System.Globalization.GregorianCalendar" />
<altmember cref="P:System.Globalization.CultureInfo.Calendar" />
<altmember cref="P:System.Globalization.CultureInfo.OptionalCalendars" />
<related type="Article" href="/dotnet/standard/datetime/working-with-calendars">Working with Calendars</related>
</Docs>
<Members>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public JapaneseCalendar ();" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor() cil managed" />
<MemberSignature Language="DocId" Value="M:System.Globalization.JapaneseCalendar.#ctor" />
<MemberSignature Language="VB.NET" Value="Public Sub New ()" />
<MemberSignature Language="C++ CLI" Value="public:
 JapaneseCalendar();" />
<MemberType>Constructor</MemberType>
<AssemblyInfo>
<AssemblyName>System.Globalization.Calendars</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
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<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Parameters />
<Docs>
<summary>Initializes a new instance of the <see cref="T:System.Globalization.JapaneseCalendar" /> class.</summary>
<remarks>To be added.</remarks>
<exception cref="T:System.TypeInitializationException">Unable to initialize a <see cref="T:System.Globalization.JapaneseCalendar" /> object because of missing culture information.</exception>
</Docs>
</Member>
<Member MemberName="AddMonths">
<MemberSignature Language="C#" Value="public override DateTime AddMonths (DateTime time, int months);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance valuetype System.DateTime AddMonths(valuetype System.DateTime time, int32 months) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Globalization.JapaneseCalendar.AddMonths(System.DateTime,System.Int32)" />
<MemberSignature Language="VB.NET" Value="Public Overrides Function AddMonths (time As DateTime, months As Integer) As DateTime" />
<MemberSignature Language="F#" Value="override this.AddMonths : DateTime * int -> DateTime" Usage="japaneseCalendar.AddMonths (time, months)" />
<MemberSignature Language="C++ CLI" Value="public:
 override DateTime AddMonths(DateTime time, int months);" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Globalization.Calendars</AssemblyName>
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<ReturnValue>
<ReturnType>System.DateTime</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="time" Type="System.DateTime" />
<Parameter Name="months" Type="System.Int32" />
</Parameters>
<Docs>
<param name="time">The <see cref="T:System.DateTime" /> to which to add months.</param>
<param name="months">The number of months to add.</param>
<summary>Returns a <see cref="T:System.DateTime" /> that is the specified number of months away from the specified <see cref="T:System.DateTime" />.</summary>
<returns>The <see cref="T:System.DateTime" /> that results from adding the specified number of months to the specified <see cref="T:System.DateTime" />.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The day part of the resulting <xref:System.DateTime> is affected if the resulting day is not a valid day in the resulting month of the resulting year. It is changed to the last valid day in the resulting month of the resulting year. The year part of the resulting <xref:System.DateTime> is affected if the resulting month is outside the year of the specified <xref:System.DateTime>. The era part of the resulting <xref:System.DateTime> is affected if the resulting year is outside the era of the specified <xref:System.DateTime>. The time-of-day part of the resulting <xref:System.DateTime> remains the same as the specified <xref:System.DateTime>.
For example, if the specified month is Juugatsu (October), which has 31 days, the specified day is the 31st day of that month, and `months` is 6, the resulting year is one more than the specified year, the resulting month is Shigatsu (April), and the resulting day is the 30th day, which is the last day in Shigatsu (April).
If `months` is negative, the resulting <xref:System.DateTime> is earlier than the specified <xref:System.DateTime>.
The <xref:System.DateTime.Kind%2A> property of the returned <xref:System.DateTime> value always equals <xref:System.DateTimeKind.Unspecified?displayProperty=nameWithType>. You can preserve the <xref:System.DateTime.Kind%2A> property of the `time` parameter by calling the <xref:System.DateTime.SpecifyKind%2A?displayProperty=nameWithType> method, as the following example shows.
:::code language="csharp" source="~/snippets/csharp/System.Globalization/Calendar/AddDays/add1.cs" id="Snippet5":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.globalization.calendar.addmethods/vb/add1.vb" id="Snippet5":::
## Examples
The following code example displays the values of several components of a <xref:System.DateTime> in terms of the Japanese calendar.
:::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR_System/system.Globalization.JapaneseCalendar_AddGet/CPP/japanesecalendar_addget.cpp" id="Snippet1":::
:::code language="csharp" source="~/snippets/csharp/System.Globalization/JapaneseCalendar/AddMonths/japanesecalendar_addget.cs" id="Snippet1":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.Globalization.JapaneseCalendar_AddGet/VB/japanesecalendar_addget.vb" id="Snippet1":::
]]></format>
</remarks>
<exception cref="T:System.ArgumentException">The resulting <see cref="T:System.DateTime" /> is outside the supported range.</exception>
<exception cref="T:System.ArgumentOutOfRangeException">
<paramref name="months" /> is less than -120000.
-or-
<paramref name="months" /> is greater than 120000.</exception>
<altmember cref="T:System.DateTime" />
<altmember cref="M:System.Globalization.JapaneseCalendar.AddYears(System.DateTime,System.Int32)" />
<altmember cref="M:System.Globalization.Calendar.AddWeeks(System.DateTime,System.Int32)" />
<altmember cref="M:System.Globalization.Calendar.AddDays(System.DateTime,System.Int32)" />
<altmember cref="M:System.Globalization.Calendar.AddHours(System.DateTime,System.Int32)" />
<altmember cref="M:System.Globalization.Calendar.AddMinutes(System.DateTime,System.Int32)" />
<altmember cref="M:System.Globalization.Calendar.AddSeconds(System.DateTime,System.Int32)" />
<altmember cref="M:System.Globalization.Calendar.AddMilliseconds(System.DateTime,System.Double)" />
</Docs>
</Member>
<Member MemberName="AddYears">
<MemberSignature Language="C#" Value="public override DateTime AddYears (DateTime time, int years);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance valuetype System.DateTime AddYears(valuetype System.DateTime time, int32 years) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Globalization.JapaneseCalendar.AddYears(System.DateTime,System.Int32)" />
<MemberSignature Language="VB.NET" Value="Public Overrides Function AddYears (time As DateTime, years As Integer) As DateTime" />
<MemberSignature Language="F#" Value="override this.AddYears : DateTime * int -> DateTime" Usage="japaneseCalendar.AddYears (time, years)" />
<MemberSignature Language="C++ CLI" Value="public:
 override DateTime AddYears(DateTime time, int years);" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Globalization.Calendars</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
<AssemblyVersion>4.2.0.0</AssemblyVersion>
<AssemblyVersion>4.2.1.0</AssemblyVersion>
<AssemblyVersion>4.2.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.DateTime</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="time" Type="System.DateTime" />
<Parameter Name="years" Type="System.Int32" />
</Parameters>
<Docs>
<param name="time">The <see cref="T:System.DateTime" /> to which to add years.</param>
<param name="years">The number of years to add.</param>
<summary>Returns a <see cref="T:System.DateTime" /> that is the specified number of years away from the specified <see cref="T:System.DateTime" />.</summary>
<returns>The <see cref="T:System.DateTime" /> that results from adding the specified number of years to the specified <see cref="T:System.DateTime" />.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The day part of the resulting <xref:System.DateTime> is affected if the resulting day is not a valid day in the resulting month of the resulting year. It is changed to the last valid day in the resulting month of the resulting year. The month part of the resulting <xref:System.DateTime> remains the same as the specified <xref:System.DateTime>. The era part of the resulting <xref:System.DateTime> is affected if the resulting year is outside the era of the specified <xref:System.DateTime>. The time-of-day part of the resulting <xref:System.DateTime> remains the same as the specified <xref:System.DateTime>.
For example, Nigatsu (February) has 28 days except during leap years when it has 29 days. If the specified date is the 29th day of Nigatsu (February) in a leap year and the value of `years` is 1, the resulting date will be the 28th day of Nigatsu (February) in the following year.
If `years` is negative, the resulting <xref:System.DateTime> is earlier than the specified <xref:System.DateTime>.
The <xref:System.DateTime.Kind%2A> property of the returned <xref:System.DateTime> value always equals <xref:System.DateTimeKind.Unspecified?displayProperty=nameWithType>. You can preserve the <xref:System.DateTime.Kind%2A> property of the `time` parameter by calling the <xref:System.DateTime.SpecifyKind%2A?displayProperty=nameWithType> method, as the following example shows.
:::code language="csharp" source="~/snippets/csharp/System.Globalization/Calendar/AddDays/add1.cs" id="Snippet8":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.globalization.calendar.addmethods/vb/add1.vb" id="Snippet8":::
## Examples
The following code example displays the values of several components of a <xref:System.DateTime> in terms of the Japanese calendar.
:::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR_System/system.Globalization.JapaneseCalendar_AddGet/CPP/japanesecalendar_addget.cpp" id="Snippet1":::
:::code language="csharp" source="~/snippets/csharp/System.Globalization/JapaneseCalendar/AddMonths/japanesecalendar_addget.cs" id="Snippet1":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.Globalization.JapaneseCalendar_AddGet/VB/japanesecalendar_addget.vb" id="Snippet1":::
]]></format>
</remarks>
<exception cref="T:System.ArgumentException">The resulting <see cref="T:System.DateTime" /> is outside the supported range.</exception>
<exception cref="T:System.ArgumentOutOfRangeException">
<paramref name="time" /> is outside the supported range of the <see cref="T:System.Globalization.JapaneseCalendar" /> type.
-or-
<paramref name="years" /> is less than -10,000 or greater than 10,000.</exception>
<altmember cref="T:System.DateTime" />
<altmember cref="M:System.Globalization.JapaneseCalendar.AddMonths(System.DateTime,System.Int32)" />
<altmember cref="M:System.Globalization.Calendar.AddWeeks(System.DateTime,System.Int32)" />
<altmember cref="M:System.Globalization.Calendar.AddDays(System.DateTime,System.Int32)" />
<altmember cref="M:System.Globalization.Calendar.AddHours(System.DateTime,System.Int32)" />
<altmember cref="M:System.Globalization.Calendar.AddMinutes(System.DateTime,System.Int32)" />
<altmember cref="M:System.Globalization.Calendar.AddSeconds(System.DateTime,System.Int32)" />
<altmember cref="M:System.Globalization.Calendar.AddMilliseconds(System.DateTime,System.Double)" />
</Docs>
</Member>
<Member MemberName="AlgorithmType">
<MemberSignature Language="C#" Value="public override System.Globalization.CalendarAlgorithmType AlgorithmType { get; }" />
<MemberSignature Language="ILAsm" Value=".property instance valuetype System.Globalization.CalendarAlgorithmType AlgorithmType" />
<MemberSignature Language="DocId" Value="P:System.Globalization.JapaneseCalendar.AlgorithmType" />
<MemberSignature Language="VB.NET" Value="Public Overrides ReadOnly Property AlgorithmType As CalendarAlgorithmType" />
<MemberSignature Language="F#" Value="member this.AlgorithmType : System.Globalization.CalendarAlgorithmType" Usage="System.Globalization.JapaneseCalendar.AlgorithmType" />
<MemberSignature Language="C++ CLI" Value="public:
 virtual property System::Globalization::CalendarAlgorithmType AlgorithmType { System::Globalization::CalendarAlgorithmType get(); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
<AssemblyVersion>4.2.0.0</AssemblyVersion>
<AssemblyVersion>4.2.1.0</AssemblyVersion>
<AssemblyVersion>4.2.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Globalization.Calendars</AssemblyName>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1">
<AttributeName Language="C#">[System.Runtime.InteropServices.ComVisible(false)]</AttributeName>
<AttributeName Language="F#">[<System.Runtime.InteropServices.ComVisible(false)>]</AttributeName>
</Attribute>
</Attributes>
<ReturnValue>
<ReturnType>System.Globalization.CalendarAlgorithmType</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets a value that indicates whether the current calendar is solar-based, lunar-based, or a combination of both.</summary>
<value>Always returns <see cref="F:System.Globalization.CalendarAlgorithmType.SolarCalendar" />.</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Examples
The following example uses reflection to instantiate each <xref:System.Globalization.Calendar> type found in the .NET Class Library and displays the value of its <xref:System.Globalization.Calendar.AlgorithmType%2A> property.
:::code language="csharp" source="~/snippets/csharp/System.Globalization/Calendar/AlgorithmType/algorithmtype1.cs" id="Snippet1":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.globalization.calendar.algorithmtype/vb/algorithmtype1.vb" id="Snippet1":::
]]></format>
</remarks>
</Docs>
</Member>
<Member MemberName="Eras">
<MemberSignature Language="C#" Value="public override int[] Eras { get; }" />
<MemberSignature Language="ILAsm" Value=".property instance int32[] Eras" />
<MemberSignature Language="DocId" Value="P:System.Globalization.JapaneseCalendar.Eras" />
<MemberSignature Language="VB.NET" Value="Public Overrides ReadOnly Property Eras As Integer()" />
<MemberSignature Language="F#" Value="member this.Eras : int[]" Usage="System.Globalization.JapaneseCalendar.Eras" />
<MemberSignature Language="C++ CLI" Value="public:
 virtual property cli::array <int> ^ Eras { cli::array <int> ^ get(); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.Globalization.Calendars</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
<AssemblyVersion>4.2.0.0</AssemblyVersion>
<AssemblyVersion>4.2.1.0</AssemblyVersion>
<AssemblyVersion>4.2.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Int32[]</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets the list of eras in the <see cref="T:System.Globalization.JapaneseCalendar" />.</summary>
<value>An array of integers that represents the eras in the <see cref="T:System.Globalization.JapaneseCalendar" />.</value>
<remarks>
<format type="text/markdown"><]
This class assigns numbers to the eras as follows:
|GetEra value|Era Name|Era Abbreviation|Gregorian Dates|
|------------------|--------------|----------------------|---------------------|
|5|令和 (Reiwa)|令和 (R, r)|May 1, 2019 to present|
|4|平成 (Heisei)|平 (H, h)|January 8, 1989 to present|
|3|昭和 (Showa)|昭 (S, s)|December 25, 1926 to January 7, 1989|
|2|大正 (Taisho)|大 (T, t)|July 30, 1912 to December 24, 1926|
|1|明治 (Meiji)|明 (M, m)|September 8, 1868 to July 29, 1912|
This class handles dates from September 8 in the year Meiji 1 (January 1, 1868 of the Gregorian calendar). Although the Japanese calendar was switched from a lunar calendar to a solar calendar in the year Meiji 6 (1873 of the Gregorian calendar), this implementation is based on the solar calendar only.
> [!NOTE]
> Should additional eras be added in the future, applications may encounter more than the expected five eras for the Japanese calendar. Your applications should be tested to ensure that they continue to work in such an event; see [Era Handling for the Japanese Calendar](/windows/desktop/Intl/era-handling-for-the-japanese-calendar).
## Examples
The following example displays the values contained in the <xref:System.Globalization.JapaneseCalendar.Eras%2A> property.
:::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR_System/system.Globalization.JapaneseCalendar.Eras/CPP/yslin_japanesecalendar_eras.cpp" id="Snippet1":::
:::code language="csharp" source="~/snippets/csharp/System.Globalization/Calendar/Eras/yslin_japanesecalendar_eras.cs" id="Snippet1":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.Globalization.JapaneseCalendar.Eras/VB/yslin_japanesecalendar_eras.vb" id="Snippet1":::
]]></format>
</remarks>
<altmember cref="F:System.Globalization.Calendar.CurrentEra" />
</Docs>
</Member>
<Member MemberName="GetDayOfMonth">
<MemberSignature Language="C#" Value="public override int GetDayOfMonth (DateTime time);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance int32 GetDayOfMonth(valuetype System.DateTime time) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Globalization.JapaneseCalendar.GetDayOfMonth(System.DateTime)" />
<MemberSignature Language="VB.NET" Value="Public Overrides Function GetDayOfMonth (time As DateTime) As Integer" />
<MemberSignature Language="F#" Value="override this.GetDayOfMonth : DateTime -> int" Usage="japaneseCalendar.GetDayOfMonth time" />
<MemberSignature Language="C++ CLI" Value="public:
 override int GetDayOfMonth(DateTime time);" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Globalization.Calendars</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
<AssemblyVersion>4.2.0.0</AssemblyVersion>
<AssemblyVersion>4.2.1.0</AssemblyVersion>
<AssemblyVersion>4.2.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="time" Type="System.DateTime" />
</Parameters>
<Docs>
<param name="time">The <see cref="T:System.DateTime" /> to read.</param>
<summary>Returns the day of the month in the specified <see cref="T:System.DateTime" />.</summary>
<returns>An integer from 1 to 31 that represents the day of the month in the specified <see cref="T:System.DateTime" />.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
## Examples
The following code example displays the values of several components of a <xref:System.DateTime> in terms of the Japanese calendar.
:::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR_System/system.Globalization.JapaneseCalendar_AddGet/CPP/japanesecalendar_addget.cpp" id="Snippet1":::
:::code language="csharp" source="~/snippets/csharp/System.Globalization/JapaneseCalendar/AddMonths/japanesecalendar_addget.cs" id="Snippet1":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.Globalization.JapaneseCalendar_AddGet/VB/japanesecalendar_addget.vb" id="Snippet1":::
]]></format>
</remarks>
<altmember cref="P:System.DateTime.Day" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetEra(System.DateTime)" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetYear(System.DateTime)" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetMonth(System.DateTime)" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetDayOfYear(System.DateTime)" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetDayOfWeek(System.DateTime)" />
<altmember cref="M:System.Globalization.Calendar.GetWeekOfYear(System.DateTime,System.Globalization.CalendarWeekRule,System.DayOfWeek)" />
</Docs>
</Member>
<Member MemberName="GetDayOfWeek">
<MemberSignature Language="C#" Value="public override DayOfWeek GetDayOfWeek (DateTime time);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance valuetype System.DayOfWeek GetDayOfWeek(valuetype System.DateTime time) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Globalization.JapaneseCalendar.GetDayOfWeek(System.DateTime)" />
<MemberSignature Language="VB.NET" Value="Public Overrides Function GetDayOfWeek (time As DateTime) As DayOfWeek" />
<MemberSignature Language="F#" Value="override this.GetDayOfWeek : DateTime -> DayOfWeek" Usage="japaneseCalendar.GetDayOfWeek time" />
<MemberSignature Language="C++ CLI" Value="public:
 override DayOfWeek GetDayOfWeek(DateTime time);" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Globalization.Calendars</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
<AssemblyVersion>4.2.0.0</AssemblyVersion>
<AssemblyVersion>4.2.1.0</AssemblyVersion>
<AssemblyVersion>4.2.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.DayOfWeek</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="time" Type="System.DateTime" />
</Parameters>
<Docs>
<param name="time">The <see cref="T:System.DateTime" /> to read.</param>
<summary>Returns the day of the week in the specified <see cref="T:System.DateTime" />.</summary>
<returns>A <see cref="T:System.DayOfWeek" /> value that represents the day of the week in the specified <see cref="T:System.DateTime" />.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The <xref:System.DayOfWeek> values are as follows:
|DayOfWeek value|which indicates|
|---------------------|---------------------|
|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)|
## Examples
The following code example displays the values of several components of a <xref:System.DateTime> in terms of the Japanese calendar.
:::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR_System/system.Globalization.JapaneseCalendar_AddGet/CPP/japanesecalendar_addget.cpp" id="Snippet1":::
:::code language="csharp" source="~/snippets/csharp/System.Globalization/JapaneseCalendar/AddMonths/japanesecalendar_addget.cs" id="Snippet1":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.Globalization.JapaneseCalendar_AddGet/VB/japanesecalendar_addget.vb" id="Snippet1":::
]]></format>
</remarks>
<altmember cref="P:System.DateTime.DayOfWeek" />
<altmember cref="T:System.DayOfWeek" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetEra(System.DateTime)" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetYear(System.DateTime)" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetMonth(System.DateTime)" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetDayOfYear(System.DateTime)" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetDayOfMonth(System.DateTime)" />
<altmember cref="M:System.Globalization.Calendar.GetWeekOfYear(System.DateTime,System.Globalization.CalendarWeekRule,System.DayOfWeek)" />
</Docs>
</Member>
<Member MemberName="GetDayOfYear">
<MemberSignature Language="C#" Value="public override int GetDayOfYear (DateTime time);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance int32 GetDayOfYear(valuetype System.DateTime time) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Globalization.JapaneseCalendar.GetDayOfYear(System.DateTime)" />
<MemberSignature Language="VB.NET" Value="Public Overrides Function GetDayOfYear (time As DateTime) As Integer" />
<MemberSignature Language="F#" Value="override this.GetDayOfYear : DateTime -> int" Usage="japaneseCalendar.GetDayOfYear time" />
<MemberSignature Language="C++ CLI" Value="public:
 override int GetDayOfYear(DateTime time);" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Globalization.Calendars</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
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<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="time" Type="System.DateTime" />
</Parameters>
<Docs>
<param name="time">The <see cref="T:System.DateTime" /> to read.</param>
<summary>Returns the day of the year in the specified <see cref="T:System.DateTime" />.</summary>
<returns>An integer from 1 to 366 that represents the day of the year in the specified <see cref="T:System.DateTime" />.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The day of the year is defined as the number of days from the first day of the year. For example, <xref:System.Globalization.JapaneseCalendar.GetDayOfYear%2A> for the first day of the first month returns 1, and <xref:System.Globalization.JapaneseCalendar.GetDayOfYear%2A> for the last day of the last month returns the total number of days in that year, which is the same value as that returned by <xref:System.Globalization.JapaneseCalendar.GetDaysInYear%2A>.
## Examples
The following code example displays the values of several components of a <xref:System.DateTime> in terms of the Japanese calendar.
:::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR_System/system.Globalization.JapaneseCalendar_AddGet/CPP/japanesecalendar_addget.cpp" id="Snippet1":::
:::code language="csharp" source="~/snippets/csharp/System.Globalization/JapaneseCalendar/AddMonths/japanesecalendar_addget.cs" id="Snippet1":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.Globalization.JapaneseCalendar_AddGet/VB/japanesecalendar_addget.vb" id="Snippet1":::
]]></format>
</remarks>
<altmember cref="P:System.DateTime.DayOfYear" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetEra(System.DateTime)" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetYear(System.DateTime)" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetMonth(System.DateTime)" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetDayOfMonth(System.DateTime)" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetDayOfWeek(System.DateTime)" />
<altmember cref="M:System.Globalization.Calendar.GetWeekOfYear(System.DateTime,System.Globalization.CalendarWeekRule,System.DayOfWeek)" />
</Docs>
</Member>
<Member MemberName="GetDaysInMonth">
<MemberSignature Language="C#" Value="public override int GetDaysInMonth (int year, int month, int era);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance int32 GetDaysInMonth(int32 year, int32 month, int32 era) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Globalization.JapaneseCalendar.GetDaysInMonth(System.Int32,System.Int32,System.Int32)" />
<MemberSignature Language="VB.NET" Value="Public Overrides Function GetDaysInMonth (year As Integer, month As Integer, era As Integer) As Integer" />
<MemberSignature Language="F#" Value="override this.GetDaysInMonth : int * int * int -> int" Usage="japaneseCalendar.GetDaysInMonth (year, month, era)" />
<MemberSignature Language="C++ CLI" Value="public:
 override int GetDaysInMonth(int year, int month, int era);" />
<MemberType>Method</MemberType>
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<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="year" Type="System.Int32" />
<Parameter Name="month" Type="System.Int32" />
<Parameter Name="era" Type="System.Int32" />
</Parameters>
<Docs>
<param name="year">An integer that represents the year.</param>
<param name="month">An integer from 1 to 12 that represents the month.</param>
<param name="era">An integer that represents the era.</param>
<summary>Returns the number of days in the specified month in the specified year in the specified era.</summary>
<returns>The number of days in the specified month in the specified year in the specified era.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
For example, this method returns 28 or 29 for Nigatsu (February, `month` = 2), depending on whether `year` is a leap year.
## Examples
The following code example calls <xref:System.Globalization.JapaneseCalendar.GetDaysInMonth%2A> for the second month in each of five years in each era.
:::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR_System/system.Globalization.JapaneseCalendar.GetDaysInMonth/CPP/japanesecalendar_getdaysinmonth.cpp" id="Snippet1":::
:::code language="csharp" source="~/snippets/csharp/System.Globalization/JapaneseCalendar/GetDaysInMonth/japanesecalendar_getdaysinmonth.cs" id="Snippet1":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.Globalization.JapaneseCalendar.GetDaysInMonth/VB/japanesecalendar_getdaysinmonth.vb" id="Snippet1":::
]]></format>
</remarks>
<exception cref="T:System.ArgumentOutOfRangeException">
<paramref name="year" /> is outside the range supported by the calendar.
-or-
<paramref name="month" /> is outside the range supported by the calendar.
-or-
<paramref name="era" /> is outside the range supported by the calendar.</exception>
<altmember cref="F:System.Globalization.Calendar.CurrentEra" />
<altmember cref="P:System.Globalization.JapaneseCalendar.Eras" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetMonthsInYear(System.Int32,System.Int32)" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetDaysInYear(System.Int32,System.Int32)" />
</Docs>
</Member>
<Member MemberName="GetDaysInYear">
<MemberSignature Language="C#" Value="public override int GetDaysInYear (int year, int era);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance int32 GetDaysInYear(int32 year, int32 era) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Globalization.JapaneseCalendar.GetDaysInYear(System.Int32,System.Int32)" />
<MemberSignature Language="VB.NET" Value="Public Overrides Function GetDaysInYear (year As Integer, era As Integer) As Integer" />
<MemberSignature Language="F#" Value="override this.GetDaysInYear : int * int -> int" Usage="japaneseCalendar.GetDaysInYear (year, era)" />
<MemberSignature Language="C++ CLI" Value="public:
 override int GetDaysInYear(int year, int era);" />
<MemberType>Method</MemberType>
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<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="year" Type="System.Int32" />
<Parameter Name="era" Type="System.Int32" />
</Parameters>
<Docs>
<param name="year">An integer that represents the year.</param>
<param name="era">An integer that represents the era.</param>
<summary>Returns the number of days in the specified year in the specified era.</summary>
<returns>The number of days in the specified year in the specified era.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
For example, this method returns 365 or 366, depending on whether `year` is a leap year.
## Examples
The following example calls <xref:System.Globalization.JapaneseCalendar.GetDaysInYear%2A> for five years in each era.
:::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR_System/system.Globalization.JapaneseCalendar.GetDaysInYear/CPP/japanesecalendar_getdaysinyear.cpp" id="Snippet1":::
:::code language="csharp" source="~/snippets/csharp/System.Globalization/JapaneseCalendar/GetDaysInYear/japanesecalendar_getdaysinyear.cs" id="Snippet1":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.Globalization.JapaneseCalendar.GetDaysInYear/VB/japanesecalendar_getdaysinyear.vb" id="Snippet1":::
]]></format>
</remarks>
<exception cref="T:System.ArgumentOutOfRangeException">
<paramref name="year" /> is outside the range supported by the calendar.
-or-
<paramref name="era" /> is outside the range supported by the calendar.</exception>
<altmember cref="F:System.Globalization.Calendar.CurrentEra" />
<altmember cref="P:System.Globalization.JapaneseCalendar.Eras" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetMonthsInYear(System.Int32,System.Int32)" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetDaysInMonth(System.Int32,System.Int32,System.Int32)" />
</Docs>
</Member>
<Member MemberName="GetEra">
<MemberSignature Language="C#" Value="public override int GetEra (DateTime time);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance int32 GetEra(valuetype System.DateTime time) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Globalization.JapaneseCalendar.GetEra(System.DateTime)" />
<MemberSignature Language="VB.NET" Value="Public Overrides Function GetEra (time As DateTime) As Integer" />
<MemberSignature Language="F#" Value="override this.GetEra : DateTime -> int" Usage="japaneseCalendar.GetEra time" />
<MemberSignature Language="C++ CLI" Value="public:
 override int GetEra(DateTime time);" />
<MemberType>Method</MemberType>
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<ReturnValue>
<ReturnType>System.Int32</ReturnType>
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<Parameters>
<Parameter Name="time" Type="System.DateTime" />
</Parameters>
<Docs>
<param name="time">The <see cref="T:System.DateTime" /> to read.</param>
<summary>Returns the era in the specified <see cref="T:System.DateTime" />.</summary>
<returns>An integer that represents the era in the specified <see cref="T:System.DateTime" />.</returns>
<remarks>
<format type="text/markdown"><]
This class assigns numbers to the eras as follows:
|GetEra value|Era Name|Era Abbreviation|Gregorian Dates|
|------------------|--------------|----------------------|---------------------|
|5|令和 (Reiwa)|令和 (R, r)|May 1, 2019 to present|
|4|平成 (Heisei)|平 (H, h)|January 8, 1989 to April 30, 2019|
|3|昭和 (Showa)|昭 (S, s)|December 25, 1926 to January 7, 1989|
|2|大正 (Taisho)|大 (T, t)|July 30, 1912 to December 24, 1926|
|1|明治 (Meiji)|明 (M, m)|September 8, 1868 to July 29, 1912|
Ordinarily, the <xref:System.Globalization.JapaneseCalendar> class supports dates from September 8 in the year Meiji 1 (September 8, 1868 of the Gregorian calendar), which is the value of the <xref:System.Globalization.JapaneseCalendar.MinSupportedDateTime%2A> property. However, the <xref:System.Globalization.JapaneseCalendar.GetEra%2A> method successfully returns the era for dates from January 1 through September 7 in the year Meiji 1 (January 1, 1868 through September 7, 1868 in the Gregorian calendar). For dates earlier than January 1, 1868 in the Gregorian calendar, the method throws an <xref:System.ArgumentOutOfRangeException> exception.
## Examples
The following example displays the values of several components of a <xref:System.DateTime> in terms of the Japanese calendar.
:::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR_System/system.Globalization.JapaneseCalendar_AddGet/CPP/japanesecalendar_addget.cpp" id="Snippet1":::
:::code language="csharp" source="~/snippets/csharp/System.Globalization/JapaneseCalendar/AddMonths/japanesecalendar_addget.cs" interactive="try-dotnet" id="Snippet1":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.Globalization.JapaneseCalendar_AddGet/VB/japanesecalendar_addget.vb" id="Snippet1":::
]]></format>
</remarks>
<exception cref="T:System.ArgumentOutOfRangeException">The resulting <see cref="T:System.DateTime" /> is outside the supported range.</exception>
<altmember cref="T:System.DateTime" />
<altmember cref="F:System.Globalization.Calendar.CurrentEra" />
<altmember cref="P:System.Globalization.JapaneseCalendar.Eras" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetYear(System.DateTime)" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetMonth(System.DateTime)" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetDayOfYear(System.DateTime)" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetDayOfMonth(System.DateTime)" />
<altmember cref="M:System.Globalization.JapaneseCalendar.GetDayOfWeek(System.DateTime)" />
<altmember cref="M:System.Globalization.Calendar.GetWeekOfYear(System.DateTime,System.Globalization.CalendarWeekRule,System.DayOfWeek)" />
<altmember cref="M:System.Globalization.Calendar.GetHour(System.DateTime)" />
<altmember cref="M:System.Globalization.Calendar.GetMinute(System.DateTime)" />
<altmember cref="M:System.Globalization.Calendar.GetSecond(System.DateTime)" />
<altmember cref="M:System.Globalization.Calendar.GetMilliseconds(System.DateTime)" />
</Docs>
</Member>
<Member MemberName="GetLeapMonth">
<MemberSignature Language="C#" Value="public override int GetLeapMonth (int year, int era);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance int32 GetLeapMonth(int32 year, int32 era) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Globalization.JapaneseCalendar.GetLeapMonth(System.Int32,System.Int32)" />
<MemberSignature Language="VB.NET" Value="Public Overrides Function GetLeapMonth (year As Integer, era As Integer) As Integer" />
<MemberSignature Language="F#" Value="override this.GetLeapMonth : int * int -> int" Usage="japaneseCalendar.GetLeapMonth (year, era)" />
<MemberSignature Language="C++ CLI" Value="public:
 override int GetLeapMonth(int year, int era);" />
<MemberType>Method</MemberType>
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