Reference for Chullin 161:9

לילה לקדושה יום להרצאה

accordingly on the night [following the seventh day] it is valid; and then it continues: From the eighth day and henceforth it may be accepted,<span class="x" onmousemove="('comment',' Lev. XXII, 27.');">¹</span>

Jastrow

Jastrow