if ( empty($dtz) ) {
		$dtz = 'America/Edmonton';
}

$tz             = new DateTimeZone( $dtz );             // base time zone to start w/
$date           = new DateTime();                       // current time based on /etc/localtime e.g. America/Edmonton
$date->setTimeZone($tz);                                // calculates the current time
$local_time     = $date->format('G:i'); // l F j Y g:i:s A I'

return $local_time;