- id="originallyPublishedAt" formControlName="originallyPublishedAt" [dateFormat]="calendarDateFormat"
- [locale]="calendarLocale" [showTime]="true" [hideOnDateTimeSelect]="true" [monthNavigator]="true" [yearNavigator]="true" [yearRange]="myYearRange"
+ id="originallyPublishedAt" formControlName="originallyPublishedAt" [dateFormat]="calendarDateFormat" [firstDayOfWeek]="0"
+ [showTime]="true" [hideOnDateTimeSelect]="true" [monthNavigator]="true" [yearNavigator]="true" [yearRange]="myYearRange"