The Law Code of Yājñavalkya 1.10.4

1.10.4

amāvāsyāṣṭakā vṛddhiḥ kṛṣṇapakṣo 'yanadvayam |
dravyaṃ brāhmaṇasaṃpattir viṣuvat sūryasaṃkramaḥ ||

The new moon, the aṣṭakās, an occasion of increase, the dark fortnight, the two solstices, / [abundance of] material, the acquisition of Brahmins, the equinox, the sun's passage into a new sign,