Manejo de Fecha usando la libreria ng2-datepicker, despues de tantas pruebas, aqui esta funcionando.

This project was generated with :

• Angular 5 version 5.0.5.
• Angular CLI version 1.5.3.
• NodeJS version 6.12.0.

Development server

Run ng serve for a dev server. Navigate to http://localhost:4200/. The app will automatically reload if you change any of the source files.

Further help

To get more help on the Angular CLI use ng help or go check out the Angular CLI README.