my sample code as simple as below:
--------------------------------------------------------------
<script type="text/javascript"
src="https://www.gstatic.com/charts/loader.js";></script>
<div id="chart_div" style="width:200px"></div>
<script>
google.charts.load('current', {'packages':['corechart','line']});
google.charts.setOnLoadCallback(drawChart);
function drawChart() {
var
central_rates={"rows":[{"c":[{"v":"Date(2020,07,24)"},{"v":"23221"}]},{"c":[{"v":"Date(2020,07,23)"},{"v":"23220"}]},],
"cols":[{"type":"datetime","label":"day"},{"type":"number","label":""}]};
var data = new google.visualization.DataTable(central_rates);
var date_long = new
google.visualization.DateFormat({pattern: 'dd/MM'});
date_long.format(data,0);
var options = {
title:'Sample line chart with date label',
titleTextStyle:{fontSize:'0.95em'},
height:'100%',
hAxis: {slantedText:true,format:'dd/MM',},
vAxis: {},
backgroundColor: '#ecf3fe',
legend: 'none',
chartArea:{left:35,backgroundColor:'#ecf3fe',width:'100%'}
};
var chart = new
google.visualization.LineChart(document.getElementById('chart_div'));
chart.draw(data, options);
}
</script>
--------------------------------------------------------------
There're 2 point only with date labels as Date(2020,07,24)&
Date(2020,07,23). But the render chart displays them as 24/08 & 23/08
respectively, meaning 1 month was added.
[image: 2020-07-24 15_11_57-chart.html.png]
How can it be? Any advice is appreciated, thanks
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