ElementStacks

HTML

<script src="http://highcharts.com/js/testing.js"></script>
<div id="container" style="height: 400px"></div>

JavaScript

var chart = new Highcharts.Chart({
    chart: {
        renderTo: 'container'
    },
    xAxis: {
        type: "datetime",
        dateTimeLabelFormats: {
            day: '%m-%d'   
        },
        tickInterval: 24 * 3600 * 1000,
        min: Date.UTC(2011, 1, 15),
        max: Date.UTC(2011, 1, 22)
    },
    
    
    series: [{
        data: [],
        pointInterval: 24 * 3600 * 1000 // one day
    }]
});