nd:'HH:mm:ss',
    second:     'D MMMM HH:mm',
    minute:     'ddd D MMMM',
    hour:       'ddd D MMMM',
    weekday:    'MMMM YYYY',
    day:        'MMMM YYYY',
    week:       'MMMM YYYY',
    month:      'YYYY',
    year:       ''
  }
}</pre>

        For values which not provided in the customized <code>options.format</code>, the default values will be used.
        All available formatting syntax is described in the <a href="http://momentjs.com/docs/#/displaying/format/">docs of moment.js</a>.
     