series.labels.rotation String|Number

The rotation angle of the labels. By default, the labels are not rotated.

Example

 <div id="chart"></div>
    <script>
    $("#chart").kendoChart({
        seriesDefaults: {
          type: "column",
        },
        series: [{
            data: [1, 2, 3],
            labels: {
                visible: true,
                rotation: 310
            }
        }]
    });
  </script>