Agniveshyagrihyasutra 2.2.5.14

2.2.5.14

jyok ca sūryaṃ dṛśe iti purastād uptvā yathoditaṃ cauḷaṃ kārayati \

'and long see the sun' — having shaved in front, he causes the tonsure to be made according to prescription;