Numbers 9:2 Let the children of Israel also keep the passover at his appointed season. 10 I MC VC

Numbers 9:3 In the fourteenth day of this month, at even, ye shall keep it in his appointed season: according to all the rites of it, and according to all the ceremonies thereof, shall ye keep it. 10 I MC VC

Numbers 9:7 And those men said unto him, We are defiled by the dead body of a man: wherefore are we kept back, that we may not offer an offering of the Lord in his appointed season among the children of Israel? 10 I MC VC