Highcharts.chart('container', {
    xAxis: {
        startOfWeek: 0,
        type: 'datetime',

        labels: {
            formatter: function () {
                return Highcharts.dateFormat('%a %e %b', this.value);
            }
        }
    },

    series: [{
        data: [29.9, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5, 216.4, 194.1, 95.6, 54.4],
        pointStart: Date.UTC(2010, 0, 1),
        pointInterval: 3 * 24 * 3600 * 1000
    }]
});