Dakshasmriti 2.22

2.22

devakāryyaṃ tataḥ kṛtvā gurumaṅgalavīkṣaṇam
devakāryyāṇi pūrvvāhṇe manuṣyāṇāñca madhyame

Having then performed the rite for the gods, one should look upon one's guru and auspicious objects. / Rites for the gods are to be performed in the forenoon, and those for humans at midday;