src/yimaLocalize/LocaliPlugins/DateTime/Calendar/Persian.php
public function calculateDate($gYear, $gMonth, $gDay)
    {
        return $this->getPoirotPersian()->calculateDate($gYear, $gMonth, $gDay);
    }
public function calculateDate($gYear, $gMonth, $gDay)
    {
        return $this->getPoirotPersian()->calculateDate($gYear, $gMonth, $gDay);
    }
public function calculateDate ( $ gYear , $ gMonth , $ gDay ) { return $ this -> getPoirotPersian ( ) -> calculateDate ( $ gYear , $ gMonth , $ gDay ) ; }
Calculate date to calendar system

@param int $gYear Year in gregorian system
@param int $gMonth Month in gregorian system
@param int $gDay Day in gregorian system

@return CalendarInterval|false
Calculate date to calendar system