PowerShell command output convert to date and time

Question

How would one convert a PowerShell command output that retrieves some date/time like to a readable date/time string? The command is

((Get-ComputerRestorePoint)[-1]).CreationTime

Which basically retrieves the last restore point created date and time, but in a weird format like 20190109100614.556883-000

Possible duplicate of stackoverflow.com/questions/38717490/… — montonero
– montonero, Commented Jan 10, 2019 at 8:14
that cmdlet appears to be a really simple wrapper around a WMI call. so you can use the usual fix for those datetime strings ... .ConvertToDateTime(). — Lee_Dailey
– Lee_Dailey, Commented Jan 10, 2019 at 8:25
tried that on my multiple trial and error. no go. ((Get-ComputerRestorePoint)[-1]).CreationTime.ConvertToDateTime() Method invocation failed because [System.String] does not contain a method named 'ConvertToDateTime'. — erma86
– erma86, Commented Jan 10, 2019 at 8:28

vonPryz · Accepted Answer · 2019-01-10 08:31:37Z

2

The conversion can be done via RestorePoint object. Like so,

$rp=((Get-ComputerRestorePoint)[-1])
$rp.ConvertToDateTime($rp.CreationTime).ToString("u")

# Result
2019-01-08 08:24:24Z

The u format is universal sortable sepcifier, there are quite a few alternatives too.

answered Jan 10, 2019 at 8:31

vonPryz

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Lee_Dailey · Accepted Answer · 2019-01-10 08:43:48Z

2

the reason your previous try failed is that you went at it logically instead of doing it the WMI timestamp way. [grin] this works ...

#requires -RunAsAdministrator

$RPCreationTime = (Get-ComputerRestorePoint)[-1]
$RPCreationTime = $RPCreationTime.ConvertToDateTime($RPCreationTime.CreationTime)

# the Out-Host is needed to avoid the display system trying to combine the two items
$RPCreationTime.GetType() | Out-Host
$RPCreationTime

output ...

IsPublic IsSerial Name                                     BaseType
-------- -------- ----                                     --------
True     True     DateTime                                 System.ValueType


2019 January 09, Wednesday 3:00:13 AM

answered Jan 10, 2019 at 8:43

Lee_Dailey

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