timefilter emisoras

$meta_query = array(
	'relation' => 'AND',
	array(
		'key'     => 'horario-inicio',
		'value'   => '12:00',
		'compare' => '>=',
		'type'    => 'TIME',
	),
	array(
		'key'     => 'horario-fin',
		'value'   => '14:00',
		'compare' => '<=',
		'type'    => 'TIME',
	),
);