Vedic Astrology

  Sun in the Rashi / sign. Sun in house of horoscope (Considering Sun rise at 6 AM) Sign No Sign   Day enter in Sign Sun in House Time 1 Mesha / Aries 14-Apr 1 6 to 8AM 2 Vrisha / Taurus 14 / 15-May 12 8 to 10AM 3 Mithuna / Gemini 15-Jun 11 10 to 12 AM 4 Karka / Cancer 16-Jul 10 12 to 2 PM 5 Simha / Leo 16 / 17-Aug 9 2 to 4 PM 6 Kanya / Virgo 16 / 17-Sep 8 4 to 6 PM 7 Tula / Libra 17-Oct 7 6 to 8 PM 8 Vrishchika / Scorpio 16-Nov 6 8 to 10 PM 9 Dhanus / Sagittarius 15 / 16-Dec 5 ...

  The ascendant is the same for most house systems, as is the MC (which is not the tenth house cusp in equal house systems). Regiomontanus has the same ASC and MC as Placidus, Campanus, Koch etc. R = arctan (sin (H) * tan (glat) / cos (RAMC + H)) correct quadrant to be use Longitude of cusp = arctan ((cos (R) * tan (RAMC + H)/ cos (R + E)) correct quadrant to be use Blow function will provide correct degree in all Quadrant     R = DegAtan2(DegSin(H) * DegTan(glat), DegCos(RAMC + H))           LCusp = DegAtan2(DegCos(R) * DegTan(RAMC + H), DegCos(R + E)) For cusps: 1.      10 (MC): H = 0 2.      11: H = 30 3.      12: H = 60 4.      1 : H = 90 5.      2 : H = 120 6.      3 : H = 150 7.      4 : H = 180 8.      5 : H = 210 9.    ...