2 Chronicles 30:3
For they could not do it at that time for the priests consecrated not themselves sufficiently, and the people were not gathered to Jerusalem.
2 Chronicles 29:34
Only the priests were for fewness and they could not slaughter all the burnt-offerings: and their brethren the Levites will strengthen them till the finishing of the work, and till the priests shall consecrate themselves: for the Levites being upright of heart to consecrate themselves more than the priests.
Exodus 12:6
And it shall be to you for a preservation till the fourteenth day of this month; and they shall slaughter it, all the convocation of the assembly of Israel, between the two evenings.
Exodus 12:18
In the first, in the fourteenth day of the month, in the evening, ye shall eat unleavened till the one and twentieth day of the month in the evening.
2 Chronicles 29:17
And they will begin in one to the first month to consecrate, and in the eighth day to the month they came to the porch of Jehovah: and they will consecrate the house of Jehovah for eight days; and in the sixteenth day to the first month they finished.