[Pipe] 날짜 타입 변경

https://angular.io/api/common/DatePipe

@Component({
  selector: 'date-pipe',
  template: `<div>
    <!--output 'Jun 15, 2015'-->
    <p>Today is {{today | date}}</p>
 
    <!--output 'Monday, June 15, 2015'-->
    <p>Or if you prefer, {{today | date:'fullDate'}}</p>
 
    <!--output '9:43 AM'-->
    <p>The time is {{today | date:'shortTime'}}</p>
 
    <!--output 'Monday, June 15, 2015 at 9:03:01 AM GMT+01:00' -->
    <p>The full date/time is {{today | date:'full'}}</p>
 
    <!--output 'Lundi 15 Juin 2015 à 09:03:01 GMT+01:00'-->
    <p>The full date/time in french is: {{today | date:'full':'':'fr'}}</p>
 
    <!--output '2015-06-15 05:03 PM GMT+9'-->
    <p>The custom date is {{today | date:'yyyy-MM-dd HH:mm a z':'+0900'}}</p>
 
    <!--output '2015-06-15 09:03 AM GMT+9'-->
    <p>The custom date with fixed timezone is {{fixedTimezone | date:'yyyy-MM-dd HH:mm a z':'+0900'}}</p>
  </div>`
})
export class DatePipeComponent {
  today = Date.now();
  fixedTimezone = '2015-06-15T09:03:01+0900';
}