i will post the important part´s of my php script
mybay anyone can write the mistake
## select from sql
$result = $mysqli->query("SELECT (DATE_FORMAT(date,'%k%i')) date,analog4
rlsolar ,analog3 vlsolar FROM t_data WHERE date(date) = date( date_sub(
now( ) , INTERVAL $wert day)) and frame = \"frame1\" ");
## convert in json format
array('label' => 'date', 'type' => 'timeofday'),
$temp[] = array('v' => (string) $r['date']);
## html to call googlechart
<!--Load the Ajax API-->
<script type="text/javascript"
src="https://www.google.com/jsapi";></script>
<script type="text/javascript"
src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js";></script>
<script type="text/javascript">
google.load('visualization', '1', {'packages':['corechart']});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data = new google.visualization.DataTable(<?=$jsonTable?>);
var options = {
title: 'Restsauerstoff / Leistung',
is3D: 'true',
width: 1400,
height: 500,
hAxis: {format: 'HH:mm'}
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