public double juday(int M, int D, int Y) {
    double JD;

    double IY = Y - (12 - M) / 10;
    double IM = M + 1 + 12 * ((12 - M) / 10);
    double I = IY / 100;
    double J = 2 - I + I / 4 + Math.round(365.25 * IY)
            + Math.round(30.6001 * IM);
    JD = (J + D + 1720994.50);
    return JD;
  }
public double juday(int M, int D, int Y) {
    double JD;

    double IY = Y - (12 - M) / 10;
    double IM = M + 1 + 12 * ((12 - M) / 10);
    double I = IY / 100;
    double J = 2 - I + I / 4 + Math.round(365.25 * IY)
            + Math.round(30.6001 * IM);
    JD = (J + D + 1720994.50);
    return JD;
  }
public double juday ( int M , int D , int Y ) { double JD ; double IY = Y - ( 12 - M ) / 10 ; double IM = M + 1 + 12 * ( ( 12 - M ) / 10 ) ; double I = IY / 100 ; double J = 2 - I + I / 4 + Math . round ( 365.25 * IY ) + Math . round ( 30.6001 * IM ) ; JD = ( J + D + 1720994.50 ) ; return JD ; }
JDAY calculates the Julian Day number (JD) from the Gregorian month
,day, and year (M,D,Y). (NOT VALID BEFORE 10/15/1582)

@param M _more_
@param D _more_
@param Y _more_
@return _more_
JDAY calculates the Julian Day number ( JD ) from the Gregorian month day and year ( M D Y ) . ( NOT VALID BEFORE 10 / 15 / 1582 )