Convert a Unix datestamp to a .Net DateTime object in PowerShell

gistfile1.ps1

Function Get-UnixDate ($UnixDate) {
   [timezone]::CurrentTimeZone.ToLocalTime(([datetime]'1/1/1970').AddSeconds($UnixDate))
}

# It returns a PowerShell DateTime object, which can be manipulated
# using the standard DateTime methods, eg

PS> $logtime = Get-UnixDate 1269313872.893866062
PS> $logtime
 
Tuesday, 23 March 2010 4:11:12 p.m.
 
PS> $logtime.IsDaylightSavingTime()
True
PS> $logtime.dayofweek
Tuesday
PS> $logtime.minute
11
PS> $logtime.tostring("g")
23/03/2010 4:11 p.m.
PS> $logtime.DayOfYear
82
PS> $logtime.AddDays(-30)
 
Sunday, 21 February 2010 4:11:12 p.m.
 
PS> ($logtime.adddays(14)).isdaylightsavingtime()
False