/**
* {@inheritdoc}
*/
public function toJulianDay(DateInterface $date)
{
$day = $date->getMonthDay();
$month = $date->getMonth();
$year = $date->getYear();
return $day + ceil(29.5 * ($month - 1)) + 354 * $year + floor(($this->getYearOffsetShift() + 11 * $year) / 30) + $this->getEpoch();
}
/**
* {@inheritdoc}
*/
public function toJulianDay(DateInterface $date)
{
return gregoriantojd($date->getMonth(), $date->getMonthDay(), $date->getYear());
}