ViPur, 2, 8, 60.1 hrāsavṛddhī tvaharbhāgairdivasānāṃ yathākramam /

ViPur, 2, 8, 60.2 saṃdhyā muhūrtamātrā vai hrāsavṛddhau samā smṛtā //

ViPur, 2, 12, 2.2 hrāsavṛddhikramastasya raśmīnāṃ savituryathā //

ViPur, 4, 24, 73.1 tataś cānudinam alpālpahrāsavyavacchedād dharmārthayor jagataḥ saṃkṣayo bhaviṣyati //