Numbers 9:11 (BSB)

Such people are to observe it at twilight on the fourteenth day of the second month. They are to eat the lamb, together with unleavened bread and bitter herbs;

From Numbers 9. Also in the ESV.

Commentary on Numbers 9:11

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Numbers 9:1-14: Here we have, I. An order given for the solemnization of the passover, the day twelvemonth after they came out of Egypt, on the fourteenth day of the first month of the second year, some days before they were numbered, for that was done in the beginning of the second month. Observe, 1.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Numbers 9:11: They shall leave none of it unto the morning,.... None of the flesh of the passover lamb, what was left was to be burnt with fire, Exo 12:10, nor break any bone of it; the same was enjoined; see Gill on Exo 12:46, according to all the ordinances of the passover they shall keep it: as when observed in its time, excepting the feast of...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Numbers 9:6-14: A SECOND PASSOVER ALLOWED. (Num 9:6-14) there were certain men, who were defiled by the dead body of a man--To discharge the last offices to the remains of deceased relatives was imperative; and yet attendance on a funeral entailed ceremonial defilement, which led to exclusion from all society and from the camp for seven days.
• Geneva Bible Notes (Reformed), Geneva Bible Study Notes on Numbers 9:11: The fourteenth day of the second month at even they shall keep it, [and] eat it with unleavened bread and bitter [herbs]. (e) So that the unclean and those who are not at home, have a month longer granted to them.