Manava Dharmashastra 1.67

1.67

mānuṣāṇāṃ varṣaṃ devānāṃ rātridine bhavataḥ| tayorapyayaṃ vibhāgaḥ| narāṇāmudagayanaṃ devānāmahaḥ| tatra prāyeṇa daivakarmaṇāmanuṣṭhānaṃ| dakṣiṇāyanaṃ tu rātriḥ |