protected function getYear() {
    $year = 0;
    if ($this->type == YearType::Besselian())
      $year = 1900 + ($this->jd - Epoch::B1900()->jd) / static::DaysBesselianYear;
    else
      $year = 2000 + ($this->jd - Epoch::J2000()->jd) / static::DaysJulianYear;

    return round($year, 6);
  }
protected function getYear() {
    $year = 0;
    if ($this->type == YearType::Besselian())
      $year = 1900 + ($this->jd - Epoch::B1900()->jd) / static::DaysBesselianYear;
    else
      $year = 2000 + ($this->jd - Epoch::J2000()->jd) / static::DaysJulianYear;

    return round($year, 6);
  }
protected function getYear ( ) { $ year = 0 ; if ( $ this -> type == YearType :: Besselian ( ) ) $ year = 1900 + ( $ this -> jd - Epoch :: B1900 ( ) -> jd ) / static :: DaysBesselianYear ; else $ year = 2000 + ( $ this -> jd - Epoch :: J2000 ( ) -> jd ) / static :: DaysJulianYear ; return round ( $ year , 6 ) ; }
Finds the year of this epoch
@return float
Finds the year of this epoch