Su, Sū., 29, 19.1 caturthyāṃ vā navamyāṃ vā ṣaṣṭhyāṃ sandhidineṣu ca /

Su, Śār., 2, 28.1 tato 'parāhṇe pumān māsaṃ brahmacārī sarpiḥsnigdhaḥ sarpiḥkṣīrābhyāṃ śālyodanaṃ bhuktvā māsaṃ brahmacāriṇīṃ tailasnigdhāṃ tailamāṣottarāhārāṃ nārīmupeyādrātrau sāmādibhir abhiviśvāsya vikalpyaivaṃ caturthyāṃ ṣaṣṭhyām aṣṭamyāṃ daśamyāṃ dvādaśyāṃ copeyāditi putrakāmaḥ //

Su, Utt., 36, 10.2 baliṃ nyagrodhavṛkṣeṣu tithau ṣaṣṭhyāṃ nivedayet //