Daylight-savings time

// This crosses a DST boundary in the UK.
Morris.Area({
  element: 'graph',
  data: [
    {x: '2013-03-30 22:00:00', y: 3, z: 3},
    {x: '2013-03-31 00:00:00', y: 2, z: 0},
    {x: '2013-03-31 02:00:00', y: 0, z: 2},
    {x: '2013-03-31 04:00:00', y: 4, z: 4}
  ],
  xkey: 'x',
  ykeys: ['y', 'z'],
  labels: ['Y', 'Z']
});