functions/Get-PersianDate.ps1
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Class PersianDate { [String]$DisplayHint [String]$DateTime [String]$Date [Int]$Day $DayOfWeek [int]$DayOfYear [int]$DaysInMonth [int]$Hour [int]$Millisecond [int]$Minute [MonthName]$Month [int]$Second [int64]$Ticks [TimeSpan]$TimeOfDay [int]$Year [String]$Age } Enum MonthName { Farvardin = 1 Ordibehesht = 2 Khordad = 3 Tir = 4 Mordad = 5 Shahrivar = 6 Mehr = 7 Aban = 8 Azar = 9 Dey = 10 Bahman = 11 Esfand = 12 } function Get-PersianDate { param ( [Parameter(Position = 0, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)] [Alias("LastWriteTime")] $Date, [Parameter(Mandatory=$False)] [ValidateRange(1, 9999)] $Year, [Parameter(Mandatory=$False)] [ValidateRange(1, 12)] $Month, [Parameter(Mandatory=$False)] [ValidateRange(1, 31)] $Day, [Parameter(Mandatory=$False)] [ValidateRange(0, 23)] $Hour, [Parameter(Mandatory=$False)] [ValidateRange(0, 59)] $Minute, [Parameter(Mandatory=$False)] [ValidateRange(0, 59)] [int]$Second, [Parameter(Mandatory=$False)] [ValidateRange(0, 999)] $Millisecond, [Parameter(Mandatory=$False)] [Switch]$ToGregorian, [Parameter(Mandatory=$False)] [ValidateSet("DateTime", "Date","Time")] $DisplayHint ) Begin { $PCal = New-Object System.Globalization.PersianCalendar $PDate = New-Object PersianDate [DateTime]$dateToUse = Get-Date if (-not $DisplayHint) { $DisplayHint = "DateTime" } # use passed date object if specified if ($Date) { $dateToUse = $Date } # use passed year if specified if ($Year) { $offset = $Year - $dateToUse.Year; $dateToUse = $dateToUse.AddYears($offset); } # use passed month if specified if ($Month) { $offset = $Month - $dateToUse.Month; $dateToUse = $dateToUse.AddMonths($offset); } # use passed day if specified if ($Day) { $offset = $Day - $dateToUse.Day; $dateToUse = $dateToUse.AddDays($offset); } # use passed hour if specified if ($Hour) { $offset = $Hour - $dateToUse.Hour; $dateToUse = $dateToUse.AddHours($offset); } # use passed minute if specified if ($Minute) { $offset = $Minute - $dateToUse.Minute; $dateToUse = $dateToUse.AddMinutes($offset); } # use passed second if specified if ($Second) { $offset = $Second - $dateToUse.Second; $dateToUse = $dateToUse.AddSeconds($offset); } # use passed millisecond if specified if ($Millisecond) { $offset = $Millisecond - $dateToUse.Millisecond; $dateToUse = $dateToUse.AddMilliseconds($offset); $dateToUse = $dateToUse.Subtract([Timespan]::FromTicks($dateToUse.Ticks % 10000)); } } Process { #Age Calculation [datetime]$referencedate = $dateToUse $dtnow = [datetime]::Now if ($referencedate -le $dtnow) { $span = $dtnow - $referencedate $age = New-Object DateTime -ArgumentList $Span.Ticks $PDate.Age = "+(" + [String]($age.Year -1) + " Years " + [String]($age.Month -1) + " Months " +` [String]($age.Day -1 ) + " days " + [String]$age.Hour + " hours " +` [String]$age.Minute + " minutes " + [String]$age.second + " seconds" + ")" } else { $span = $referencedate - $dtnow $age = New-Object DateTime -ArgumentList $Span.Ticks $PDate.Age = "-(" + [String]($age.Year -1) + " Years " + [String]($age.Month -1) + " Months " +` [String]($age.Day -1 ) + " days " + [String]$age.Hour + " hours " +` [String]$age.Minute + " minutes " + [String]$age.second + " seconds" + ")" } if (-Not $ToGregorian) { $PDate.Day = $PCal.GetDayOfMonth($dateToUse) $pdate.DayOfYear = $PCal.GetDayOfYear($dateToUse) $pdate.DayOfWeek = $dateToUse.DayOfWeek $PDate.Month = $PCal.GetMonth($dateToUse) $PDate.Year = $PCal.GetYear($dateToUse) $PDate.Date = ([String]$PDate.Year + "/" + [String]$PDate.Month.value__ + "/" + [String]$PDate.Day) $PDate.DaysInMonth = $PCal.GetDaysInMonth($PDate.Year,$PDate.Month) Switch ($DisplayHint) { "DateTime" { $PDate.DateTime = ([string]$PDate.DayOfWeek + ", " + [String]$PDate.Day + " " + $PDate.Month + ", " + [String]$PDate.Year + " " + $dateToUse.ToString("hh:mm:ss")) } "Date" { $PDate.DateTime = ([string]$PDate.DayOfWeek + ", " + [String]$PDate.Day + " " + $PDate.Month + ", " + [String]$PDate.Year) } "Time" { $PDate.DateTime = $dateToUse.ToString("hh:mm:ss tt") } } $pdate.DisplayHint = $DisplayHint $PDate.Hour = $dateToUse.Hour $pdate.Minute = $dateToUse.Minute $PDate.Millisecond = $dateToUse.Millisecond $PDate.Second = $dateToUse.Second $PDate.Ticks = $dateToUse.Ticks $PDate.TimeOfDay = $dateToUse.TimeOfDay Return $PDate } #Convert Persian Date to Gregorian Date Return $PCal.ToDateTime($dateToUse.Year,$dateToUse.Month,$dateToUse.Day,$dateToUse.Hour,$dateToUse.Minute,` $dateToUse.Second,$dateToUse.Millisecond) } } |