Numbers 9:2

“Let the children of Israel also keep the passover, etc.] Though this ordinance was enjoined the people of Israel, and observed by them at the time of their coming out of Egypt, and had been since repeated, (<032305>Leviticus 23:5); yet without a fresh precept, or an explanation of the former, they seemed not to be obliged, or might not be sensible that they were obliged to keep it, until they came into the land of Canaan, (<021225>Exodus 12:25); and therefore a new order is given them to observe it: at his appointed season; and what that season is is next declared.”

“Passover at Sinai. This, as being kept in the first month, was prior in time to the numbering of Numbers 1:1 ff, and to the other events narrated in this book. It is, however, recorded here as introductory to the ordinance of Numbers 9:6-14 in this chapter respecting the supplementary Passover; the observance of which was one of the last occurrences during the halt at Sinai. Numbers 9:5 In some details, the present Passover differed both from that kept at the Exodus itself and from all subsequent Passovers. For example, the direction of Exodus 12:22 could not be carried out in the letter while the people were dwelling in tents; and may be regarded as superseded by Leviticus 17:3-6 (compare…”

“9:2-3 The Hebrews were told to celebrate the Passover at the prescribed time (see Exod 12:6). • at twilight: The Hebrew day begins at sundown.”

“keep: Exod. 12:1-20 his appointed: Num 28:16; Exo 12:6, Exo 12:14; Lev 23:5; Deu 16:1, Deu 16:2; Jos 5:10; Ch2 35:1; Ezr 6:19; Mar 14:12; Luk 22:7; Co1 5:7, Co1 5:8 Numbers 9:3”