Leviticus 8:33 describes the seven-day consecration that immediately precedes this eighth day; together they form a single sequence.

Leviticus 14:10 uses the eighth day for a leper's cleansing rituals, mirroring the same purification timetable.

Leviticus 14:23 also places a leper's cleansing on the eighth day, reinforcing the pattern of eighth‑day restoration.

Leviticus 15:29 prescribes offerings on the eighth day for a woman's purification, another instance of this timing for cleansing.

Ezekiel 43:27 explicitly states that after seven days, on the eighth day, offerings begin — directly echoing Leviticus 9:1’s pattern.

Exodus 29:30 refers to the seven‑day priestly consecration period that directly precedes the eighth day event in Leviticus 9:1.

Exodus 40:12 gives the command to wash Aaron and his sons, which is part of the consecration process leading up to the eighth day.

Numbers 7:1 records the anointing and consecration of the tabernacle, which precedes the priestly commencement on the eighth day described here.

Numbers 6:10 also prescribes offerings on the eighth day, here for a Nazirite's purification — a parallel timing for cleansing.