59uptime

$action = New-ScheduledTaskAction -Execute 'Powershell.exe' -Argument ' -command "& {shutdown -s}"'
$trigger =  New-ScheduledTaskTrigger -Daily -At 4:24pm
register-ScheduledTask -Action $action -Trigger $trigger -TaskName "shutdown" -Description "Shutdown computer at specific time" -user "system" -force