Ezekiel 43:25
Seven days shalt thou bring, every day a goat buck. A young bullock, and a ram of the flock, both without blemish, shall they offer.
Leviticus 8:33
And see that ye depart not from the door of the tabernacle of witness, seven days long: until the days of your full offerings be at an end. For seven days must your hands be filled,
Exodus 29:35-37
And see thou do unto Aaron and his sons, even so in all things as I have commanded thee: that thou fill their hands seven days
Leviticus 8:35
See therefore that ye abide in the door of the tabernacle of witness day and night seven days long: and keep the watch of the LORD that ye die not: for so I am commanded."