

    <tr>
      <td>format</td>
      <td>Object or Function</td>
      <td>none</td>
      <td>
        Apply custom date formatting of the labels on the time axis. The default value of <code>format</code> is:
      <pre class="prettyprint lang-js">{
  minorLabels: {
    millisecond:'SSS',
    second:     's',
    minute:     'HH:mm',
    hour:       'HH:mm',
    weekday:    'ddd D',
    day:        'D',
    week:       'w',
    month:      'MMM',
    year:       'YYYY'
  },
  majorLabels: {
    milliseco