seriesDefaults.startAngle Number (default: 90)

The start angle (degrees) of the first donut or pie segment.

Angles increase clockwise and zero is to the left. Negative values are acceptable.

Example - set the donut chart seriesDefaults start angle

<div id="chart"></div>
  seriesDefaults: {
    startAngle: 180
  series: [
    { type: "donut",  data: [1,2,3] }
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