Beispiel #1
0
        public void CalculateEvents(GCLocation loc, GregorianDateTime vcStart, GregorianDateTime vcEnd)
        {
            //GCSunData sun = new GCSunData();
            DstTypeChange ndst = 0;
            int           nData;

            TResultEvents inEvents = this;

            this.Clear();
            this.EarthLocation = loc;
            this.StartDateTime = new GregorianDateTime(vcStart);
            this.EndDateTime   = new GregorianDateTime(vcEnd);

            GregorianDateTime vc = new GregorianDateTime();
            GregorianDateTime vcAdd = new GregorianDateTime(), vcNext = new GregorianDateTime();
            GCEarthData       earth = loc.GetEarthData();

            vc.Set(vcStart);
            vc.TimezoneHours = loc.OffsetUtcHours;
            vcAdd.Set(vc);
            vcAdd.InitWeekDay();

            GCHourTime sunriseData, sunsetData;
            double     sunRise, sunSet;
            double     r1, r2;

            while (vcAdd.IsBeforeThis(vcEnd))
            {
                sunriseData = GCSunData.CalcSunrise(vcAdd, earth);
                sunsetData  = GCSunData.CalcSunset(vcAdd, earth);
                sunRise     = sunriseData.TotalDays;
                sunSet      = sunsetData.TotalDays;
                ndst        = loc.TimeZone.DetermineDaylightChange(vcAdd);

                if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_SUN) != 0)
                {
                    ndst = loc.TimeZone.DetermineDaylightChange(vcAdd);

                    vcAdd.shour = sunriseData.TotalDays - 96.0 / 1440.0;
                    inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_S_ARUN, 0, ndst);

                    vcAdd.shour = sunRise;
                    inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_S_RISE, 0, ndst);

                    vcAdd.shour = (sunRise + sunSet) / 2;
                    inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_S_NOON, 0, ndst);

                    vcAdd.shour = sunSet;
                    inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_S_SET, 0, ndst);
                }

                /*if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_ASCENDENT) != 0)
                 * {
                 *  todayLongitude = sun.longitude_deg;
                 *  vcAdd.shour = sunRise;
                 *  todaySunriseHour = sunRise;
                 *  if (previousLongitude < -10)
                 *  {
                 *      GregorianDateTime prevSunrise = new GregorianDateTime();
                 *      prevSunrise.Set(vcAdd);
                 *      prevSunrise.PreviousDay();
                 *      sun.SunCalc(prevSunrise, earth);
                 *      previousSunriseHour = sun.rise.GetDayTime() - 1;
                 *      previousLongitude = sun.longitude_deg;
                 *      fromTimeLimit = 0;
                 *  }
                 *
                 *  double a, b;
                 *  double jd = vcAdd.GetJulianComplete();
                 *  double ayan = GCAyanamsha.GetAyanamsa(jd);
                 *  r1 = GCMath.putIn360(previousLongitude - ayan) / 30;
                 *  r2 = GCMath.putIn360(todayLongitude - ayan) / 30;
                 *
                 *  while (r2 > r1 + 13)
                 *  {
                 *      r2 -= 12.0;
                 *  }
                 *  while (r2 < r1 + 11)
                 *  {
                 *      r2 += 12.0;
                 *  }
                 *
                 *  a = (r2 - r1) / (todaySunriseHour - previousSunriseHour);
                 *  b = r2 - a * todaySunriseHour;
                 *
                 *  for (double tr = Math.Floor(r1) + 1.0; tr < r2; tr += 1.0)
                 *  {
                 *      double tm = (tr - b) / a;
                 *      if (tm > fromTimeLimit)
                 *      {
                 *          vcNext.Set(vcAdd);
                 *          vcNext.shour = tm;
                 *          vcNext.NormalizeValues();
                 *          inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_ASCENDENT, (int)tr, ndst);
                 *      }
                 *  }
                 *
                 *  previousLongitude = todayLongitude;
                 *  previousSunriseHour = todaySunriseHour - 1;
                 *  fromTimeLimit = previousSunriseHour;
                 * }*/

                if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_RAHUKALAM) != 0)
                {
                    GCSunData.CalculateKala(sunRise, sunSet, vcAdd.dayOfWeek, out r1, out r2, KalaType.KT_RAHU_KALAM);

                    vcAdd.shour = r1;
                    inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_KALA_START, KalaType.KT_RAHU_KALAM, ndst);

                    vcAdd.shour = r2;
                    inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_KALA_END, KalaType.KT_RAHU_KALAM, ndst);
                }

                if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_YAMAGHANTI) != 0)
                {
                    GCSunData.CalculateKala(sunRise, sunSet, vcAdd.dayOfWeek, out r1, out r2, KalaType.KT_YAMA_GHANTI);

                    vcAdd.shour = r1;
                    inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_KALA_START, KalaType.KT_YAMA_GHANTI, ndst);

                    vcAdd.shour = r2;
                    inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_KALA_END, KalaType.KT_YAMA_GHANTI, ndst);
                }

                if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_GULIKALAM) != 0)
                {
                    GCSunData.CalculateKala(sunRise, sunSet, vcAdd.dayOfWeek, out r1, out r2, KalaType.KT_GULI_KALAM);

                    vcAdd.shour = r1;
                    inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_KALA_START, KalaType.KT_GULI_KALAM, ndst);

                    vcAdd.shour = r2;
                    inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_KALA_END, KalaType.KT_GULI_KALAM, ndst);
                }

                if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_ABHIJIT_MUHURTA) != 0)
                {
                    GCSunData.CalculateKala(sunRise, sunSet, vcAdd.dayOfWeek, out r1, out r2, KalaType.KT_ABHIJIT);

                    if (r1 > 0 && r2 > 0)
                    {
                        vcAdd.shour = r1;
                        inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_KALA_START, KalaType.KT_ABHIJIT, ndst);

                        vcAdd.shour = r2;
                        inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_KALA_END, KalaType.KT_ABHIJIT, ndst);
                    }
                }

                vcAdd.NextDay();
            }

            if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_ASCENDENT) != 0)
            {
                GCAscendant asc = new GCAscendant();
                asc.Earth           = EarthLocation.GetEarthData();
                asc.CurrentDateTime = new GregorianDateTime(vc);
                while (asc.GetNextAscendantBefore(vcEnd))
                {
                    ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
                    inEvents.AddEvent(asc.CurrentDateTime, CoreEventType.CCTYPE_ASCENDENT, asc.CurrentSign, ndst);
                    asc.CurrentDateTime.AddHours(0.5);
                }
            }

            if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_TITHI) != 0)
            {
                vcAdd.Set(vc);
                vcAdd.shour = 0.0;
                while (vcAdd.IsBeforeThis(vcEnd))
                {
                    nData = GCTithi.GetNextTithiStart(earth, vcAdd, out vcNext);
                    if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
                    {
                        vcNext.InitWeekDay();
                        ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
                        inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_TITHI, nData, ndst);
                    }
                    else
                    {
                        break;
                    }
                    vcAdd.Set(vcNext);
                    vcAdd.shour += 0.2;
                    if (vcAdd.shour >= 1.0)
                    {
                        vcAdd.shour -= 1.0;
                        vcAdd.NextDay();
                    }
                }
            }

            if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_NAKSATRA) != 0)
            {
                vcAdd.Set(vc);
                vcAdd.shour = 0.0;
                while (vcAdd.IsBeforeThis(vcEnd))
                {
                    nData = GCNaksatra.GetNextNaksatra(earth, vcAdd, out vcNext);
                    if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
                    {
                        vcNext.InitWeekDay();
                        ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
                        inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_NAKS, nData, ndst);
                    }
                    else
                    {
                        break;
                    }
                    vcAdd.Set(vcNext);
                    vcAdd.shour += 0.2;
                    if (vcAdd.shour >= 1.0)
                    {
                        vcAdd.shour -= 1.0;
                        vcAdd.NextDay();
                    }
                }
            }

            if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_YOGA) != 0)
            {
                vcAdd.Set(vc);
                vcAdd.shour = 0.0;
                while (vcAdd.IsBeforeThis(vcEnd))
                {
                    nData = GCYoga.GetNextYogaStart(earth, vcAdd, out vcNext);
                    if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
                    {
                        vcNext.InitWeekDay();
                        ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
                        inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_YOGA, nData, ndst);
                    }
                    else
                    {
                        break;
                    }
                    vcAdd.Set(vcNext);
                    vcAdd.shour += 0.2;
                    if (vcAdd.shour >= 1.0)
                    {
                        vcAdd.shour -= 1.0;
                        vcAdd.NextDay();
                    }
                }
            }

            if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_SANKRANTI) != 0)
            {
                vcNext = new GregorianDateTime();
                vcAdd.Set(vc);
                vcAdd.shour = 0.0;
                while (vcAdd.IsBeforeThis(vcEnd))
                {
                    vcNext.Set(GCSankranti.GetNextSankranti(vcAdd, earth, out nData));
                    if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
                    {
                        vcNext.InitWeekDay();
                        ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
                        inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_SANK, nData, ndst);
                    }
                    else
                    {
                        break;
                    }
                    vcAdd.Set(vcNext);
                    vcAdd.NextDay();
                }
            }

            if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_MOONRASI) != 0)
            {
                vcAdd.Set(vc);
                vcAdd.shour = 0.0;
                while (vcAdd.IsBeforeThis(vcEnd))
                {
                    nData = GCMoonData.GetNextMoonRasi(earth, vcAdd, out vcNext);
                    if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
                    {
                        vcNext.InitWeekDay();
                        ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
                        inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_M_RASI, nData, ndst);
                    }
                    else
                    {
                        break;
                    }
                    vcAdd.Set(vcNext);
                    vcAdd.shour += 0.5;
                    vcAdd.NormalizeValues();
                }
            }
            if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_CONJUNCTION) != 0)
            {
                double dlong;
                vcAdd.Set(vc);
                vcAdd.shour = 0.0;
                while (vcAdd.IsBeforeThis(vcEnd))
                {
                    dlong = GCConjunction.GetNextConjunction(vcAdd, out vcNext, true, earth);
                    if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
                    {
                        vcNext.InitWeekDay();
                        ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
                        inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_CONJ, GCRasi.GetRasi(dlong, GCAyanamsha.GetAyanamsa(vcNext.GetJulianComplete())), ndst);
                    }
                    else
                    {
                        break;
                    }
                    vcAdd.Set(vcNext);
                    vcAdd.NextDay();
                }
            }

            if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_MOON) != 0)
            {
                vcAdd.Set(vc);
                vcAdd.shour = 0.0;
                while (vcAdd.IsBeforeThis(vcEnd))
                {
                    vcNext.Set(GCMoonData.GetNextRise(earth, vcAdd, true));
                    inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_M_RISE, 0, ndst);

                    vcNext.Set(GCMoonData.GetNextRise(earth, vcNext, false));
                    inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_M_SET, 0, ndst);

                    vcNext.shour += 0.05;
                    vcNext.NormalizeValues();
                    vcAdd.Set(vcNext);
                }
            }

            if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_ASCENDENT) != 0)
            {/*
              *         vcAdd = vc;
              *         vcAdd.shour = 0.0;
              *         while(vcAdd.IsBeforeThis(vcEnd))
              *         {
              *                 nData = earth.GetNextAscendentStart(vcAdd, vcNext);
              *                 if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
              *                 {
              *                         vcNext.InitWeekDay();
              *                         ndst = TTimeZone.determineDaylightChange(vcNext, loc.m_nDST);
              *                         inEvents.AddEvent(vcNext, CCTYPE_ASCENDENT, nData, ndst);
              *                 }
              *                 else
              *                 {
              *                         break;
              *                 }
              *                 vcAdd = vcNext;
              *                 vcAdd.shour += 1/24.0;
              *                 if (vcAdd.shour >= 1.0)
              *                 {
              *                         vcAdd.shour -= 1.0;
              *                         vcAdd.NextDay();
              *                 }
              *         }
              *
              */
            }

            if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_SORT) != 0)
            {
                inEvents.Sort(SORTING_BY_DATE);
            }
            else
            {
                inEvents.Sort(SORTING_BY_TYPE);
            }
        }
        public void CalculateEvents(GCLocation loc, int nYear)
        {
            //GCSunData sun = new GCSunData();
            //DstTypeChange ndst = DstTypeChange.DstOff;
            int nData;

            TResultCoreEvents inEvents = this;

            this.Clear();
            this.EarthLocation = loc;
            this.Year          = nYear;
            GregorianDateTime vcStart = new GregorianDateTime(Year - 1, 12, 29);
            GregorianDateTime vcEnd   = new GregorianDateTime(Year + 1, 1, 2);

            GregorianDateTime vc = new GregorianDateTime();
            GregorianDateTime vcAdd = new GregorianDateTime(), vcNext = new GregorianDateTime();
            GCEarthData       earth = loc.GetEarthData();

            vc.Set(vcStart);
            vc.TimezoneHours = loc.OffsetUtcHours;
            vcAdd.Set(vc);
            vcAdd.InitWeekDay();

            /*while (vcAdd.IsBeforeThis(vcEnd))
             * {
             *  ndst = loc.TimeZone.DetermineDaylightChange(vcAdd);
             *  vcAdd.NextDay();
             * }*/


            if (Full || GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_TITHI) != 0)
            {
                vcAdd.Set(vc);
                vcAdd.shour = 0.0;
                while (vcAdd.IsBeforeThis(vcEnd))
                {
                    nData = GCTithi.GetNextTithiStart(earth, vcAdd, out vcNext);
                    if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
                    {
                        //vcNext.InitWeekDay();
                        //ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
                        inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_TITHI, nData);
                    }
                    else
                    {
                        break;
                    }
                    vcAdd.Set(vcNext);
                    vcAdd.shour += 0.2;
                    if (vcAdd.shour >= 1.0)
                    {
                        vcAdd.shour -= 1.0;
                        vcAdd.NextDay();
                    }
                }
            }

            if (Full || GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_NAKSATRA) != 0)
            {
                vcAdd.Set(vc);
                vcAdd.shour = 0.0;
                while (vcAdd.IsBeforeThis(vcEnd))
                {
                    nData = GCNaksatra.GetNextNaksatra(earth, vcAdd, out vcNext);
                    if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
                    {
                        //vcNext.InitWeekDay();
                        //ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
                        inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_NAKS, nData);
                    }
                    else
                    {
                        break;
                    }
                    vcAdd.Set(vcNext);
                    vcAdd.shour += 0.2;
                    if (vcAdd.shour >= 1.0)
                    {
                        vcAdd.shour -= 1.0;
                        vcAdd.NextDay();
                    }
                }
            }

            if (Full || GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_YOGA) != 0)
            {
                vcAdd.Set(vc);
                vcAdd.shour = 0.0;
                while (vcAdd.IsBeforeThis(vcEnd))
                {
                    nData = GCYoga.GetNextYogaStart(earth, vcAdd, out vcNext);
                    if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
                    {
                        //vcNext.InitWeekDay();
                        //ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
                        inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_YOGA, nData);
                    }
                    else
                    {
                        break;
                    }
                    vcAdd.Set(vcNext);
                    vcAdd.shour += 0.2;
                    if (vcAdd.shour >= 1.0)
                    {
                        vcAdd.shour -= 1.0;
                        vcAdd.NextDay();
                    }
                }
            }

            if (Full || GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_SANKRANTI) != 0)
            {
                vcNext = new GregorianDateTime();
                vcAdd.Set(vc);
                vcAdd.shour = 0.0;
                while (vcAdd.IsBeforeThis(vcEnd))
                {
                    vcNext.Set(GCSankranti.GetNextSankranti(vcAdd, earth, out nData));
                    if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
                    {
                        //vcNext.InitWeekDay();
                        //ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
                        inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_SANK, nData);
                    }
                    else
                    {
                        break;
                    }
                    vcAdd.Set(vcNext);
                    vcAdd.NextDay();
                }
            }

            if (Full || GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_MOONRASI) != 0)
            {
                vcAdd.Set(vc);
                vcAdd.shour = 0.0;
                while (vcAdd.IsBeforeThis(vcEnd))
                {
                    nData = GCMoonData.GetNextMoonRasi(earth, vcAdd, out vcNext);
                    if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
                    {
                        //vcNext.InitWeekDay();
                        //ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
                        inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_M_RASI, nData);
                    }
                    else
                    {
                        break;
                    }
                    vcAdd.Set(vcNext);
                    vcAdd.shour += 0.5;
                    vcAdd.NormalizeValues();
                }
            }
            if (Full || GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_CONJUNCTION) != 0)
            {
                double dlong;
                vcAdd.Set(vc);
                vcAdd.shour = 0.0;
                while (vcAdd.IsBeforeThis(vcEnd))
                {
                    dlong = GCConjunction.GetNextConjunction(vcAdd, out vcNext, true, earth);
                    if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
                    {
                        vcNext.InitWeekDay();
                        //ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
                        inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_CONJ, GCRasi.GetRasi(dlong, GCAyanamsha.GetAyanamsa(vcNext.GetJulianComplete())));
                    }
                    else
                    {
                        break;
                    }
                    vcAdd.Set(vcNext);
                    vcAdd.NextDay();
                }
            }

            inEvents.Sort();
        }
Beispiel #3
0
        /*********************************************************************/
        /*                                                                   */
        /*                                                                   */
        /*                                                                   */
        /*                                                                   */
        /*                                                                   */
        /*********************************************************************/

        public int MasaCalc(GregorianDateTime date, GCEarthData earth)
        {
            //	SUNDATA sun;
            //	MOONDATA moon;
            //	VCTIME Conj[6], ConjA;
            //	double Long[6], LongA;
            //	int Sank[6], SankA;

            const int PREV_MONTHS = 6;

            double[]            L = new double[8];
            GregorianDateTime[] C = new GregorianDateTime[8];
            int[] R = new int[8];
            int   n, rasi, masa = MasaId.VISNU_MASA;
            int   ksaya_from = -1;
            int   ksaya_to   = -1;

            date.shour = sunRise.TotalDays;

            // STEP 1: calculate position of the sun and moon
            // it is done by previous call of DayCalc
            // and results are in argument DAYDATA day
            // *DayCalc(date, earth, day, moon, sun);*

            L[1] = /*Long[0] =*/ GCConjunction.GetNextConjunction(date, out C[1], false, earth);
            L[0] = /*LongA   =*/ GCConjunction.GetNextConjunction(C[1], out C[0], true, earth);

            // on Pratipat (nTithi == 15) we need to look for previous conjunction
            // but this conjunction can occur on this date before sunrise
            // so we need to include this very date into looking for conjunction
            // on other days we cannot include it
            // and exclude it from looking for next because otherwise that will cause
            // incorrect detection of Purusottama adhika masa
            L[2] = GCConjunction.GetPrevConjunction(date, out C[2], false, earth);

            for (n = 3; n < PREV_MONTHS; n++)
            {
                L[n] = GCConjunction.GetPrevConjunction(C[n - 1], out C[n], true, earth);
            }

            for (n = 0; n < PREV_MONTHS; n++)
            {
                R[n] = GCRasi.GetRasi(L[n], GCAyanamsha.GetAyanamsa(C[n].GetJulian()));
            }

            /*	TRACE("TEST Date: %d %d %d ", date.day, date.month, date.year);
             *  TRACE("FOUND CONJ Date: %d %d %d rasi: %d ", C[1].day, C[1].month, C[1].year, R[1]);
             *  TRACE("FOUND CONJ Date: %d %d %d rasi: %d ", C[2].day, C[2].month, C[2].year, R[2]);
             *  TRACE("FOUND CONJ Date: %d %d %d rasi: %d ", C[3].day, C[3].month, C[3].year, R[3]);
             *  TRACE("FOUND CONJ Date: %d %d %d rasi: %d ", C[4].day, C[4].month, C[4].year, R[4]);
             *  TRACE("---
             */
            // test for Adhika-Ksaya sequence
            // this is like 1-2-2-4-5...
            // second (2) is replaced by rasi(3)

            /*	if ( ((Sank[1] + 2) % 12 == SankA) && ((Sank[1] == Sank[0]) || (Sank[0] == SankA)))
             *  {
             *      Sank[0] = (Sank[1] + 1) % 12;
             *  }
             *
             *  if ( ((Sank[2] + 2) % 12 == Sank[0]) && ((Sank[2] == Sank[1]) || (Sank[1] == Sank[0])))
             *  {
             *      Sank[1] = (Sank[2] + 1) % 12;
             *  }*/

            // look for ksaya month
            ksaya_from = -1;
            for (n = PREV_MONTHS - 2; n >= 0; n--)
            {
                if ((R[n + 1] + 2) % 12 == R[n])
                {
                    ksaya_from = n;
                    break;
                }
            }

            if (ksaya_from >= 0)
            {
                for (n = ksaya_from; n > 0; n--)
                {
                    if (R[n] == R[n - 1])
                    {
                        ksaya_to = n;
                        break;
                    }
                }

                if (ksaya_to >= 0)
                {
                    // adhika masa found
                    // now correct succession of rasis
                }
                else
                {
                    // adhika masa not found
                    // there will be some break in masa queue
                    ksaya_to = 0;
                }

                int current_rasi = R[ksaya_from + 1] + 1;
                for (n = ksaya_from; n >= ksaya_to; n--)
                {
                    R[n]         = current_rasi;
                    current_rasi = (current_rasi + 1) % 12;
                }
            }

            // STEP 3: test for adhika masa
            // test for adhika masa
            if (R[1] == R[2])
            {
                // it is adhika masa
                masa = 12;
                rasi = R[1];
            }
            else
            {
                // STEP 2. select nearest Conjunction
                if (this.sunRise.Paksa == 0)
                {
                    masa = R[1];
                }
                else if (this.sunRise.Paksa == 1)
                {
                    masa = R[2];
                }
                rasi = masa;
            }

            // calculation of Gaurabda year
            GaurabdaYear = date.year - 1486;

            if ((rasi > 7) && (rasi < 11)) // Visnu
            {
                if (date.month < 6)
                {
                    GaurabdaYear--;
                }
            }

            Masa = masa;

            return(masa);
        }