27 Yogas & 11 Karanas of Panchangam - Astrology These five are : 1. Day of Week (each day is ruled by a planet), also called Vaara 2. Nakshatra (star or constellation in which Moon is transiting) 3. Tithi (moon phase, with respect to Sun's position) 4. Karana (half a lunar day) (each Tithi has 2 Karanas) 5. Yoga (a special calculation for the separating distance of the Sun and Moon)