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TaiwanCalendar Class

Represents the Taiwan calendar.

System.Object
  System.Globalization.Calendar
    System.Globalization.TaiwanCalendar

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

'Declaration
<ComVisibleAttribute(True)> _
Public Class TaiwanCalendar _
	Inherits Calendar

The TaiwanCalendar type exposes the following members.

  NameDescription
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360TaiwanCalendarInitializes a new instance of the TaiwanCalendar class.
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  NameDescription
Public propertySupported by Silverlight for Windows PhoneSupported by Xbox 360ErasGets the list of eras in the TaiwanCalendar. (Overrides Calendar.Eras.)
Public propertySupported by Silverlight for Windows PhoneSupported by Xbox 360IsReadOnlyGets a value indicating whether this Calendar object is read-only. (Inherited from Calendar.)
Public propertySupported by Silverlight for Windows PhoneSupported by Xbox 360MaxSupportedDateTimeGets the latest date and time supported by the TaiwanCalendar class. (Overrides Calendar.MaxSupportedDateTime.)
Public propertySupported by Silverlight for Windows PhoneSupported by Xbox 360MinSupportedDateTimeGets the earliest date and time supported by the TaiwanCalendar class. (Overrides Calendar.MinSupportedDateTime.)
Public propertySupported by Silverlight for Windows PhoneSupported by Xbox 360TwoDigitYearMaxGets or sets the last year of a 100-year range that can be represented by a 2-digit year. (Overrides Calendar.TwoDigitYearMax.)
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  NameDescription
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360AddDaysReturns a DateTime that is the specified number of days away from the specified DateTime. (Inherited from Calendar.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360AddHoursReturns a DateTime that is the specified number of hours away from the specified DateTime. (Inherited from Calendar.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360AddMillisecondsReturns a DateTime that is the specified number of milliseconds away from the specified DateTime. (Inherited from Calendar.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360AddMinutesReturns a DateTime that is the specified number of minutes away from the specified DateTime. (Inherited from Calendar.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360AddMonthsReturns a DateTime that is the specified number of months away from the specified DateTime. (Overrides Calendar.AddMonths(DateTime, Int32).)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360AddSecondsReturns a DateTime that is the specified number of seconds away from the specified DateTime. (Inherited from Calendar.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360AddWeeksReturns a DateTime that is the specified number of weeks away from the specified DateTime. (Inherited from Calendar.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360AddYearsReturns a DateTime that is the specified number of years away from the specified DateTime. (Overrides Calendar.AddYears(DateTime, Int32).)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360Equals(Object)Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected methodSupported by Silverlight for Windows PhoneSupported by Xbox 360FinalizeAllows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetDayOfMonthReturns the day of the month in the specified DateTime. (Overrides Calendar.GetDayOfMonth(DateTime).)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetDayOfWeekReturns the day of the week in the specified DateTime. (Overrides Calendar.GetDayOfWeek(DateTime).)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetDayOfYearReturns the day of the year in the specified DateTime. (Overrides Calendar.GetDayOfYear(DateTime).)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetDaysInMonth(Int32, Int32)Returns the number of days in the specified month and year of the current era. (Inherited from Calendar.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetDaysInMonth(Int32, Int32, Int32)Returns the number of days in the specified month in the specified year in the specified era. (Overrides Calendar.GetDaysInMonth(Int32, Int32, Int32).)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetDaysInYear(Int32)Returns the number of days in the specified year of the current era. (Inherited from Calendar.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetDaysInYear(Int32, Int32)Returns the number of days in the specified year in the specified era. (Overrides Calendar.GetDaysInYear(Int32, Int32).)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetEraReturns the era of a specified DateTime value. (Overrides Calendar.GetEra(DateTime).)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetHashCodeServes as a hash function for a particular type. (Inherited from Object.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetHourReturns the hours value in the specified DateTime. (Inherited from Calendar.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetLeapMonthCalculates the leap month for a specified year and era. (Overrides Calendar.GetLeapMonth(Int32, Int32).)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetMillisecondsReturns the milliseconds value in the specified DateTime. (Inherited from Calendar.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetMinuteReturns the minutes value in the specified DateTime. (Inherited from Calendar.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetMonthReturns the month in the specified DateTime. (Overrides Calendar.GetMonth(DateTime).)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetMonthsInYear(Int32)Returns the number of months in the specified year in the current era. (Inherited from Calendar.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetMonthsInYear(Int32, Int32)Returns the number of months in the specified year in the specified era. (Overrides Calendar.GetMonthsInYear(Int32, Int32).)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetSecondReturns the seconds value in the specified DateTime. (Inherited from Calendar.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetWeekOfYearReturns the week of the year that includes the date in the specified DateTime. (Overrides Calendar.GetWeekOfYear(DateTime, CalendarWeekRule, DayOfWeek).)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360GetYearReturns the year in the specified DateTime. (Overrides Calendar.GetYear(DateTime).)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360IsLeapDay(Int32, Int32, Int32)Determines whether the specified date in the current era is a leap day. (Inherited from Calendar.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360IsLeapDay(Int32, Int32, Int32, Int32)Determines whether the specified date in the specified era is a leap day. (Overrides Calendar.IsLeapDay(Int32, Int32, Int32, Int32).)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360IsLeapMonth(Int32, Int32)Determines whether the specified month in the specified year in the current era is a leap month. (Inherited from Calendar.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360IsLeapMonth(Int32, Int32, Int32)Determines whether the specified month in the specified year in the specified era is a leap month. (Overrides Calendar.IsLeapMonth(Int32, Int32, Int32).)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360IsLeapYear(Int32)Determines whether the specified year in the current era is a leap year. (Inherited from Calendar.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360IsLeapYear(Int32, Int32)Determines whether the specified year in the specified era is a leap year. (Overrides Calendar.IsLeapYear(Int32, Int32).)
Protected methodSupported by Silverlight for Windows PhoneSupported by Xbox 360MemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360ToDateTime(Int32, Int32, Int32, Int32, Int32, Int32, Int32)Returns a DateTime that is set to the specified date and time in the current era. (Inherited from Calendar.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360ToDateTime(Int32, Int32, Int32, Int32, Int32, Int32, Int32, Int32)Returns a DateTime that is set to the specified date and time in the specified era. (Overrides Calendar.ToDateTime(Int32, Int32, Int32, Int32, Int32, Int32, Int32, Int32).)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360ToFourDigitYearConverts the specified year to a four-digit year by using the TwoDigitYearMax property to determine the appropriate century. (Overrides Calendar.ToFourDigitYear(Int32).)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360ToStringReturns a string that represents the current object. (Inherited from Object.)
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The Taiwan calendar works exactly like the Gregorian calendar, except that the year and era are different. The TaiwanCalendar class recognizes only the current era.

Leap years in the Taiwan 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 Taiwan calendar has 12 months with 28 to 31 days each:

GetMonth value

Month

Days in common years

Days in leap years

1

1月 (January)

31

31

2

2月 (February)

28

29

3

3月 (March)

31

31

4

4月 (April)

30

30

5

5月 (May)

31

31

6

6月 (June)

30

30

7

7月 (July)

31

31

8

8月 (August)

31

31

9

9月 (September)

30

30

10

10月 (October)

31

31

11

11月 (November)

30

30

12

12月 (December)

31

31

February has 29 days during leap years and 28 during common years.

The date January 1, 2001 C.E. in the Gregorian calendar is equivalent to the first day of January in the year 90 of the current era in the Taiwan calendar.

Each CultureInfo object supports a set of calendars. The CultureInfo.Calendar property returns the default calendar for the culture, and the CultureInfo.OptionalCalendars property returns an array containing all the calendars supported by the culture. To change the calendar used by a CultureInfo object, the application should set the DateTimeFormatInfo.Calendar property of CultureInfo.DateTimeFormat to a new Calendar object if the new calendar is one of the culture's optional calendars. The following example shows how to change the calendar for the zh-TW culture to the Taiwan calendar.


' Change the calendar used by a zh-TW CultureInfo object from Gregorian to Taiwan. 
Dim taiwanCulture As New CultureInfo("zh-TW")
Dim originalCalendar As Calendar = taiwanCulture.Calendar
Dim message As String = Nothing

' Confirm that the default calendar is not the Taiwan calendar.
If originalCalendar.ToString <> "System.Globalization.TaiwanCalendar" Then
   ' Check whether the culture supports the Taiwan calendar.
   Dim supported As Boolean = False
   For Each supportedCal As Calendar In taiwanCulture.OptionalCalendars
      If supportedCal.ToString = "System.Globalization.TaiwanCalendar" Then
         supported = True            
         taiwanCulture.DateTimeFormat.Calendar = supportedCal
         message = String.Format("Changed the current calendar for the {0} culture from {1} to {2}.", _
                                 taiwanCulture.ToString(), _
                                 originalCalendar.ToString.Replace("System.Globalization.", ""), _
                                 supportedCal.ToString.Replace("System.Globalization.", ""))                                 
         Exit For
      End If
      If Not supported Then message = "The Taiwan calendar is not supported."
   Next        
Else
   message = String.Format("Taiwan is the default calendar for the {0} culture.", _
                           taiwanCulture.ToString())
End If
outputBlock.Text += message + vbCrLf
' The example displays the following output:
'   Changed the current calendar for the zh-TW culture from GregorianCalendar to TaiwanCalendar.


Platform Notes

Silverlight for Windows Phone Silverlight for Windows Phone

This type is present but is not currently supported on Windows Phone.

Notes to Callers

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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