Śatapatha Brāhmaṇa ("of a hundred paths") 4.5.3.8

4.5.3.8

mādhyandine vainaṃ savane gṛhṇīyāt | āgrayaṇaṃ gṛhītvā so eṣā mīmāṃsaiva prātaḥsavana evainaṃ gṛhṇīyādāgrayaṇaṃ gṛhītvā sa prātaḥsavane gṛhīta aitasmātkālādupaśete

Or he may draw it at the midday pressing, after drawing the Âgrayana,--but this is mere speculation: let him rather draw it at the morning pressing, after drawing the Âgrayana: having been drawn at the morning pressing, it reposes apart from that time.