Manava Dharmashastra 3.4

3.4

sūryanakṣatravarjitaḥ kālaḥ samayādhyuṣitaśabdenocyate| udayātpūrvamaruṇakiraṇavānpraviralatārako'nuditakālaḥ| parasparaviruddhakālaśravaṇe'pi sarvathā vikalpenāgnihotrahomaḥ pravartate| devatoddeśena dravyatyāgaguṇayogādyajñaśabdo'tra gauṇaḥ| "udite hotavyam" ityādikā vaidikī śrutiḥ|
6) iti dvandvaikavadbhāvaḥ| tasmiñchreyasā vidyādyadhikena guruṇā cādhyācarite sādhāraṇyena svīkṛte ca tatkālamapi nāsīta| svayaṃ ca śayyāsanastho gurāvāgate utthāyābhivādanaṃ kuryāt |
91) iti karmapravacanīyasaṃjñā, tataḥ karmapravacanīyayukte dvitīyā| sāvitrījapaṃ tu gautamavacanāt| tadāha gautamaḥ- “sūryābhyudito brahmacārī tiṣṭhedaharabhuñjānobhyastamitaśca rātriṃ japansāvitrīm”| nanu gautamavacanātsūryābhyuditasyaiva dinābhojanajapāvuktau, abhyastamitasya tu rātryabhojanajapau, naitat| apekṣāyāṃ vyākhyāsaṃdehe vā munyantaravivṛtamarthamanvayaṃ vāśriyāmahe natu sphuṭaṃ manvarthaṃ smṛtyantaradarśanādanyathā kurmaḥ| ataeva japāpekṣāyāṃ gautamavacanātsāvitrījapo'bhyupeya eva na tūbhayatra sphuṭaṃ manūktaṃ dinopavāsajapāvapākurmaḥ| tasmādabhyastamitasya mānavagautamīyaprāyaścittavikalpaḥ|