Calculate Time Difference between Dates in PowerShell

PowerShell provides a number of cmdlets to retrieve current date time and to create time span object.

$current = Get-Date
$end= Get-Date
$diff= New-TimeSpan -Start $current -End $end
Write-Output "Time difference is: $diff"

$current = [System.DateTime]::Now
$end= [System.DateTime]::Now
$diff= $end.Subtract($end)
Write-Output "Time difference is: $diff"

Output