Before July 22, 2022
$date_query = array( 'relation' => 'AND', array( 'before' => array( 'year' => 2022, 'month' => 7, 'day' => 22, ), ), );
$date_query = array( 'relation' => 'AND', array( 'before' => array( 'year' => 2022, 'month' => 7, 'day' => 22, ), ), );