PersianCalendar.MinSupportedDateTime Property
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Gets the earliest date and time supported by the PersianCalendar class.
Namespace: System.Globalization
Assembly: mscorlib (in mscorlib.dll)
Syntax
'Declaration
Public Overrides ReadOnly Property MinSupportedDateTime As DateTime
public override DateTime MinSupportedDateTime { get; }
Property Value
Type: System.DateTime
The earliest date and time supported by the PersianCalendar class, which is equivalent to the first moment of March 21, 622 C.E. in the Gregorian calendar.
Remarks
March 21, 622 C.E. is equivalent to the first day of the first month of the year 0001 in the Persian calendar.
Examples
The following example uses the MinSupportedDateTime property.
using System;
using System.Globalization;
class Example
{
public static void Demo(System.Windows.Controls.TextBlock outputBlock)
{
//--------------------------------------------------------------------------------
// Get today's date.
//--------------------------------------------------------------------------------
outputBlock.Text += "\n................. Today ...........................\n";
PersianCalendar jc = new PersianCalendar();
DateTime thisDate = DateTime.Now;
// Display the current date using the Gregorian and Persian calendars.
outputBlock.Text += "Today is:\n";
outputBlock.Text += String.Format(" {0:dddd}, {0} in the Gregorian calendar.\n", thisDate);
outputBlock.Text += String.Format(" {0}, {1}/{2}/{3} {4}:{5}:{6} in the Persian calendar.\n",
jc.GetDayOfWeek(thisDate),
jc.GetMonth(thisDate),
jc.GetDayOfMonth(thisDate),
jc.GetYear(thisDate),
jc.GetHour(thisDate),
jc.GetMinute(thisDate),
jc.GetSecond(thisDate));
//--------------------------------------------------------------------------------
// Fields
//--------------------------------------------------------------------------------
outputBlock.Text += "\n............... Fields .............................\n";
outputBlock.Text += String.Format("PersianEra = {0}\n", PersianCalendar.PersianEra);
//--------------------------------------------------------------------------------
// Properties
//--------------------------------------------------------------------------------
outputBlock.Text += "\n............... Properties .........................\n";
outputBlock.Text += "Eras:";
foreach (int era in jc.Eras)
{
outputBlock.Text += String.Format(" era = {0}\n", era);
}
//--------------------------------------------------------------------------------
outputBlock.Text += "\nGregorian Date Range Supported by the Persian Calendar:\n";
outputBlock.Text += String.Format(" From {0:G}\n", jc.MinSupportedDateTime);
outputBlock.Text += String.Format(" To {0:G}\n", jc.MaxSupportedDateTime);
//--------------------------------------------------------------------------------
outputBlock.Text += String.Format("\nTwoDigitYearMax = {0}\n", jc.TwoDigitYearMax);
//--------------------------------------------------------------------------------
// Methods
//--------------------------------------------------------------------------------
outputBlock.Text += "\n............ Selected Methods .......................\n";
//--------------------------------------------------------------------------------
outputBlock.Text += String.Format("GetDayOfYear: day = {0}\n", jc.GetDayOfYear(thisDate));
//--------------------------------------------------------------------------------
outputBlock.Text += String.Format("GetDaysInMonth: days = {0}\n",
jc.GetDaysInMonth( thisDate.Year, thisDate.Month,
PersianCalendar.PersianEra));
//--------------------------------------------------------------------------------
outputBlock.Text += String.Format("GetDaysInYear: days = {0}\n",
jc.GetDaysInYear(thisDate.Year, PersianCalendar.PersianEra));
//--------------------------------------------------------------------------------
outputBlock.Text += String.Format("GetLeapMonth: leap month (if any) = {0}\n",
jc.GetLeapMonth(thisDate.Year, PersianCalendar.PersianEra));
//-------------------------------------------------------------
outputBlock.Text += String.Format("GetMonthsInYear: months in a year = {0}\n",
jc.GetMonthsInYear(thisDate.Year, PersianCalendar.PersianEra));
//--------------------------------------------------------------------------------
outputBlock.Text += String.Format("IsLeapDay: This is a leap day = {0}\n",
jc.IsLeapDay(thisDate.Year, thisDate.Month, thisDate.Day,
PersianCalendar.PersianEra));
//--------------------------------------------------------------------------------
outputBlock.Text += String.Format("IsLeapMonth: This is a leap month = {0}\n",
jc.IsLeapMonth(thisDate.Year, thisDate.Month,
PersianCalendar.PersianEra));
//--------------------------------------------------------------------------------
outputBlock.Text += String.Format("IsLeapYear: 1370 is a leap year = {0}\n",
jc.IsLeapYear(1370, PersianCalendar.PersianEra));
//--------------------------------------------------------------------------------
// Get the 4-digit year for a year whose last two digits are 99. The 4-digit year
// depends on the current value of the TwoDigitYearMax property.
outputBlock.Text += "ToFourDigitYear:\n";
outputBlock.Text += String.Format(" If TwoDigitYearMax = {0}, ToFourDigitYear(99) = {1}\n",
jc.TwoDigitYearMax, jc.ToFourDigitYear(99));
jc.TwoDigitYearMax = thisDate.Year;
outputBlock.Text += String.Format(" If TwoDigitYearMax = {0}, ToFourDigitYear(99) = {1}\n",
jc.TwoDigitYearMax, jc.ToFourDigitYear(99));
}
}
/*
The example produces the following results:
................. Today ...........................
Today is Wednesday, 6/14/2006 11:31:13 AM
............... Fields .............................
PersianEra = 1
............... Properties .........................
Eras: era = 1
MaxSupportedDateTime = 12/31/9999 11:59:59 PM
MinSupportedDateTime = 3/21/0622 12:00:00 AM
TwoDigitYearMax = 1410
................ Methods ...........................
AddMonths: thisDate + 6 months = 12/15/2006 11:31:13 AM
thisDate - 6 months = 12/15/2005 11:31:13 AM
AddYears: thisDate + 5 years = 6/14/2011 11:31:13 AM
thisDate - 3 years = 6/14/2003 11:31:13 AM
GetDayOfMonth: month = 24
GetDayOfWeek: day = Wednesday
GetDayOfYear: day = 86
GetDaysInMonth: days = 31
GetDaysInYear: days = 366
GetEra: era = 1
GetLeapMonth: leap month (if any) = 0
GetMonth: month = 3
GetMonthsInYear: months in a year = 12
GetYear: year = 1385
IsLeapDay: This is a leap day = False
IsLeapMonth: This is a leap month = False
IsLeapYear: 1370 is a leap year = True
ToDateTime:
Gregorian calendar: 6/10/2006 8:30:15 PM
Persian calendar: 3/20/1385 8:30:15 PM
ToFourDigitYear:
If TwoDigitYearMax = 1410, ToFourDigitYear(99) = 1399
If TwoDigitYearMax = 2006, ToFourDigitYear(99) = 1999
*/
Version Information
Silverlight
Supported in: 5
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.