Skandapurana 1.3.15.90

1.3.15.90

..bṛhaspatiruvāca..
nāmnāṃ śataṃ maheśasya uccāryaṃ vratinā tadā..
pradakṣiṇanamaskārairetatsaṃkhyaiḥ prayatnataḥ..
kāryaṃ pradoṣasamaye tuṣṭyarthaṃ saṃkarasya ca.. 17.90 ..

Bṛhaspati said: / "These hundred names of the great lord should then be recited by one observing the vow; / this should be performed diligently at twilight with the same number of circumambulations and prostrations / for the satisfaction of Śaṃkara.