* Angular datepicker based on [ng-bootstrap](https://ng-bootstrap.github.io/#/components/datepicker/overview) that supports **Gregorian** and **Hijri** calendars. * Provides ability to swap between **Gregorian** and **Hijri** calendars * Converting selected date back and forth when changing calendar type. * Provides service `DateFormatterService` to help converting date formats in both calendars types. * It is developed using `Angular >=7.0.0` and its newly introduced `ng g library` schematics. * Now It supports Angular v12.