Date2
$meta_query = array( 'relation' => 'OR', array( 'relation' => 'AND', array( 'key' => 'is_referidos', ), ), array( 'key' => 'fecha_ini', 'value' => '2022-09-16', 'compare' => '>=', 'type' => 'DATE', ), array( 'key' => 'fecha_fin', 'value' => '2022-09-16', 'compare' => '<=', 'type' => 'DATE', ), );