Get-TimeZones.ps1

Function Get-TimeZone {

Param(
    [Parameter(Mandatory=$True,Position=1)]
    [Array]$ComputerName
)
    $AllTime=@()
    ForEach ($Computer in $ComputerName ) {
        IF((gwmi -class Win32_SystemTimeZone -ComputerName $Computer -ErrorAction SilentlyContinue) -gt $null){
            $Time = (Get-Time $Computer)
            $Zone1 = (gwmi -class Win32_SystemTimeZone -ComputerName $Computer).setting
            $Zone = $Zone1.split('=')[-1]
                $obj=New-Object PSObject
                $obj | Add-Member -MemberType NoteProperty -Name "ServerName" -Value $Time.ServerName
                $obj | Add-Member -MemberType NoteProperty -Name "DateTime" -Value $Time.DateTime
                $obj | Add-Member -MemberType NoteProperty -Name "TimeZone" -Value $Zone
                $AllTime += $obj
        }ELSE{
            Write-Output "Your current Credentials do not have access to this system ($Computer)"
        }
    }
    IF($AllTime.count -gt 0){
        Write-Output $AllTime
    }
}