Numbers 9:3 in the King James Version
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.
Context
2 “Let the children of Israel keep the Passover in its appointed season.
3 On the fourteenth day of this month, at evening, you shall keep it in its appointed season. You shall keep it according to all its statutes and according to all its ordinances.”
4 Moses told the children of Israel that they should keep the Passover.