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Calendar.ToDateTime Method (Int32, Int32, Int32, Int32, Int32, Int32, Int32, Int32)

When overridden in a derived class, returns a DateTime that is set to the specified date and time in the specified era.

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

public abstract DateTime ToDateTime(
	int year,
	int month,
	int day,
	int hour,
	int minute,
	int second,
	int millisecond,
	int era
)

Parameters

year
Type: System.Int32

An integer that represents the year.

month
Type: System.Int32

A positive integer that represents the month.

day
Type: System.Int32

A positive integer that represents the day.

hour
Type: System.Int32

An integer from 0 to 23 that represents the hour.

minute
Type: System.Int32

An integer from 0 to 59 that represents the minute.

second
Type: System.Int32

An integer from 0 to 59 that represents the second.

millisecond
Type: System.Int32

An integer from 0 to 999 that represents the millisecond.

era
Type: System.Int32

An integer that represents the era.

Return Value

Type: System.DateTime
The DateTime that is set to the specified date and time in the current era.

ExceptionCondition
ArgumentOutOfRangeException

year is outside the range supported by the calendar.

-or-

month is outside the range supported by the calendar.

-or-

day is outside the range supported by the calendar.

-or-

hour is less than zero or greater than 23.

-or-

minute is less than zero or greater than 59.

-or-

second is less than zero or greater than 59.

-or-

millisecond is less than zero or greater than 999.

-or-

era is outside the range supported by the calendar.

The ToDateTime method is useful because it can convert any date in the current calendar to a Gregorian calendar date. The Gregorian date can subsequently be used, for example, to compare dates in different calendars or create an equivalent date in a particular calendar.

Notes to Inheritors

The derived class must support CurrentEra when it is passed as the era parameter. One way to support CurrentEra is by replacing it with the value stored in the first element of the Eras property array, which is the value for the current era of the calendar.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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