Nadivritt and Krantivritt cross each intersect at 2 points which is the Sampat Bindu. These two points are also called Ayan. Days and nights become equal when the Sun falls at these 2 points. These 2 points are
Tajik writers have made a significant contribution in the Horary Astrology i.e the Prasna Tantra. Tajik writers apart from the theory of Tajik aspects have given various Yogas. This brief details of various Yogas are: