Bilangan 9:5

9:5 And they observed the Passover ¹  on the fourteenth day of the first month at twilight in the wilderness of Sinai; in accordance with all that the Lord had commanded Moses, so the Israelites did.

Bilangan 9:12

9:12 They must not leave any of it until morning, nor break any of its bones; they must observe it in accordance with every statute of the Passover.

[9:5]  ¹ tc The LXX omits this first clause; it also omits “at twilight.”