title: highcharts display hour minute on x-axis
body: <p>please do help me, i need to display a 3 hour graph with there minutes using highchart.</p>
  
  <p>please see screenshot </p>
  
  <p>thank you so much<img src="https://i.stack.imgur.com/1Fy0S.png" alt="enter image description here"></p>