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[Management.ManagementDateTimeConverter]::ToDateTime($WMIDate)

When using the Get-WmiObject cmdlet datetimes are returned using the Common Information Model (CIM) format. This command will convert these to standard datetime objects.

PS C:\> $WMIDate = (Get-WmiObject -Class Win32_OperatingSystem).LastBootUpTime
>> [Management.ManagementDateTimeConverter]::ToDateTime($WMIDate)


Tuesday, April 9, 2019 12:54:35 PM

$date.DateTime

Format a DateTime value in the Date Time format

PS C:\> $Date = Get-Date
>> $date.DateTime

Thursday, March 28, 2019 11:05:55 AM

$date.Year

Format a DateTime value in the Year format

PS C:\> $Date = Get-Date
>> $date.Year

2019

"$($date.Year)$("{0:00}" -f [Math]::ceiling($date.Month/3) )"

Format a DateTime value in the Year Quater format

PS C:\> $Date = Get-Date
>> "$($date.Year)$("{0:00}" -f [Math]::ceiling($date.Month/3) )"

201901

[Math]::ceiling($date.Month/3)

Format a DateTime value in the Quater format

PS C:\> $Date = Get-Date
>> [Math]::ceiling($date.Month/3)

1

(Get-Culture).DateTimeFormat.GetAbbreviatedMonthName($date.Month)

Format a DateTime value in the Month Abbreviation format

PS C:\> $Date = Get-Date
>> (Get-Culture).DateTimeFormat.GetAbbreviatedMonthName($date.Month)

Mar

(Get-Culture).DateTimeFormat.GetMonthName($date.Month)

Format a DateTime value in the Month Name format

PS C:\> $Date = Get-Date
>> (Get-Culture).DateTimeFormat.GetMonthName($date.Month)

March

$date.Month

Format a DateTime value in the Month format

PS C:\> $Date = Get-Date
>> $date.Month

3

$date.DayOfWeek

Format a DateTime value in the Day Of Week format

PS C:\> $Date = Get-Date
>> $date.DayOfWeek

Thursday

(Get-Culture).DateTimeFormat.GetAbbreviatedDayName($date.DayOfWeek.value__)

Format a DateTime value in the Day Abbreviation format

PS C:\> $Date = Get-Date
>> (Get-Culture).DateTimeFormat.GetAbbreviatedDayName($date.DayOfWeek.value__)

Thu