Sería algo así:
Código PHP:
$conexion = server();
$_pagi_sql = "SELECT *,DAYOFMONTH(fechainsert) AS dia, MONTH(fechainsert) AS mes, YEAR(fechainsert) AS year, DATE_FORMAT(fechainsert,'%h:%i:%s %p') AS hora FROM librodevisitas WHERE publico<>0 ORDER BY idfirma";
$_pagi_cuantos = 5;
include("paginator.inc.php");
Saludos