clr-angular-static-fix/forms/datepicker/calendar.html

1. Install Clarity Icons package through npm:

<table class="calendar-table weekdays">
    <tr class="calendar-row">
        <td *ngFor="let day of localeDaysNarrow" class="calendar-cell weekday">
            {{day}}
        </td>
    </tr>
</table>
<table
    class="calendar-table calendar-dates">
    <tr class="calendar-row" *ngFor="let row of calendarViewModel.calendarView">
        <td *ngFor="let dayView of row" class="calendar-cell">
            <clr-day [clrDayView]="dayView"></clr-day>
        </td>
    </tr>
</table>