module/FzyCommon/src/FzyCommon/Entity/Base.php
protected function setDtTz(\DateTime $dt, $timezone)
    {
        if ($timezone) {
            $dt->setTimezone(new \DateTimeZone($timezone));
        }

        return $dt;
    }
protected function setDtTz(\DateTime $dt, $timezone)
    {
        if ($timezone) {
            $dt->setTimezone(new \DateTimeZone($timezone));
        }

        return $dt;
    }
@param \DateTime $dt
@param $timezone

@return \DateTime