Query by ACF Date
$eventi_per_data = array( 'relation' => 'AND', array( 'key' => 'data_evento', 'value' => '12/11/2020', 'compare' => '=', ), );
$eventi_per_data = array( 'relation' => 'AND', array( 'key' => 'data_evento', 'value' => '12/11/2020', 'compare' => '=', ), );