message: value should be javascript Date Object in MomentLocalizationExample
diff: @@ -23,7 +23,7 @@ export default class MomentLocalizationExample extends PureComponent {
  }
  handleDateChange = (date) => {
  - this.setState({ selectedDate: date });
  + this.setState({ selectedDate: date.toDate() });
  }
  handleMenuOpen = (event) => {
  