public function findTimezones($countryCode)
    {
        return $this->helper->loadJson(
            $this->helper->dataDir('timezones/countries/default/'.strtolower($countryCode).'.json')
        );
    }
public function findTimezones($countryCode)
    {
        return $this->helper->loadJson(
            $this->helper->dataDir('timezones/countries/default/'.strtolower($countryCode).'.json')
        );
    }
public function findTimezones ( $ countryCode ) { return $ this -> helper -> loadJson ( $ this -> helper -> dataDir ( 'timezones/countries/default/' . strtolower ( $ countryCode ) . '.json' ) ) ; }
Find a country timezone.

@param $countryCode
@return null
Find a country timezone .