सिद्धान्तशिरोमणि: गणिताध्याय (भास्कराचार्य - ग्रहगणित, मध्यमाधिकार व स्पष्टाधिकार सटीक)

196
Fig. 25
Fig. 26
declination circles of A, B, C etc., since PAE is secondary
both to the ecliptic and equator (i.e. perpendicular circle)
spherical triangles PAD, PAB are congruent; PBC, PDE
are congruent and PC ♎ is congruent with PE ♈. Hence
ab = ad i.e. rising times of Karkataka and Mithuna are
equal; bc = de i.e. those of Simha and Vriṣabha are