Powershell show elapsed time
$Time = [System.Diagnostics.Stopwatch]::StartNew()
while ($true) {
$CurrentTime = $Time.Elapsed
write-host $([string]::Format("`rTime: {0:d2}:{1:d2}:{2:d2}",
    $CurrentTime.hours, 
    $CurrentTime.minutes, 
    $CurrentTime.seconds)) -nonewline
sleep 1
if ($Host.UI.RawUI.KeyAvailable -and ("q" -eq $Host.UI.RawUI.ReadKey("IncludeKeyUp,NoEcho").Character)) {
    Write-Host "Exiting now"
    break;
}
	
$Time = [System.Diagnostics.Stopwatch]::StartNew()
while ($NoEvent) {
    $CurrentTime = $Time.Elapsed
    write-host $([string]::Format("`rTime: {0:d2}:{1:d2}:{2:d2}",
        $CurrentTime.hours, 
        $CurrentTime.minutes, 
        $CurrentTime.seconds)) -nonewline
    sleep 1

    #Handle event
    if(event){$NoEvent = false}
}