Prajāpati-vaṃśānukīrtana — Genealogical Enumeration of Progenitors
Dharma’s Line and the Sādhyas
एते रात्रेर्मुहूर्त्ताः स्युः क्रमोक्ता दश पञ्च च / इन्दोर्गत्युदया ज्ञेया नाडिका आदितस्तथा
ete rātrermuhūrttāḥ syuḥ kramoktā daśa pañca ca / indorgatyudayā jñeyā nāḍikā āditastathā
These are the muhūrtas of the night, set forth in order—fifteen in all. They are to be known from the Moon’s course and rising, and the nāḍikā is likewise to be determined at the outset.