Agniveshyagrihyasutra 3.9.3.22

3.9.3.22

tā sūryācandramasā viśvabhṛttamā mahad ityāhutībhirevainaṃ rātrāvaparapakṣe dakṣiṇāyanena yadudagayane āpūryamāṇapakṣe divā kratvante śreyo maraṇamityupadiśanti \

With the offerings, “Those two, Sun and Moon, the greatest maintainers of all... the great...”, only at night, in the dark fortnight, during the southern course of the sun [one cremated him], whereas in the northern course of the sun, in the waxing fortnight, by day, at the end of a sacrifice, death is superior—so they instruct.