Fechas
$date_query = array( 'relation' => 'OR', array( 'relation' => 'AND', array( 'before' => '2018-10-01', 'after' => '2019-12-15', ), ), );
$date_query = array( 'relation' => 'OR', array( 'relation' => 'AND', array( 'before' => '2018-10-01', 'after' => '2019-12-15', ), ), );