3 In the fourteenth day of this month, at evening, ye shall keep it in its appointed season: according to all its rites, and according to all its ceremonies, shall ye keep it.
Numbers 9:3 Cross References - Webster
Exodus 12:6-11
6 And ye shall keep it until the fourteenth day of the same month: and the whole assembly of the congregation of Israel shall kill it in the evening.
7 And they shall take of the blood, and strike it on the two side-posts, and on the upper door-post of the houses, in which they shall eat it.
8 And they shall eat the flesh in that night, roasted with fire; and unleavened bread, and with bitter herbs they shall eat it.
9 Eat not of it raw, nor boiled at all with water, but roasted with fire; its head with its legs, and with its entrails.
10 And ye shall let nothing of it remain till the morning: and that which remaineth of it till the morning ye shall burn with fire.
11 And thus shall ye eat it; with your loins girded, your shoes on your feet, and your staff in your hand: and ye shall eat it in haste; it is the LORD'S passover.
Leviticus 23:5
5 In the fourteenth day of the first month at evening is the LORD'S passover.
Numbers 9:11-12
2 Chronicles 30:2
2 For the king had taken counsel, and his princes, and all the congregation in Jerusalem, to keep the passover in the second month.
2 Chronicles 30:15
15 Then they killed the passover on the fourteenth day of the second month: and the priests and the Levites were ashamed, and sanctified themselves, and brought in the burnt-offerings into the house of the LORD.
Hebrews 9:26
26 For then must he often have suffered since the foundation of the world: but now once in the end of the world hath he appeared to put away sin by the sacrifice of himself.