Numbers 9:19 (BSB)

Even when the cloud lingered over the tabernacle for many days, the Israelites kept the LORD’s charge and did not set out.

From Numbers 9. Also in the ESV.

Commentary on Numbers 9:19

• John Calvin (Reformed), Calvin's Commentaries on Numbers 9:19: 19. Then the children kept the charge of the Lord. Some, Dathe agrees with Malvenda and other ancient commentators in adopting the opinion here rejected by C. “The sense of the passage (he says) is, that the Israelites set up the holy tabernacle, and observed the holy rites, if they were detained for many days in one place; but if for a short time only...
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Numbers 9:15-23: We have here the history of the cloud; not a natural history: who knows the balancings of the clouds? but a divine history of a cloud that was appointed to be the visible sign and symbol of God's presence with Israel. I.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Numbers 9:19: And so it was, when the cloud was a few days upon the tabernacle,.... Or "days of number", which were so few that they might be easily numbered: the Targum of Jonathan interprets them of the seven days of the week, as if the sense was, when the cloud rested a week on the tabernacle: according to the commandment of the Lord they abode in...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Numbers 9:15-23: A CLOUD GUIDES THE ISRAELITES. (Num 9:15-23) the cloud covered the tabernacle--The inspired historian here enters on an entirely new subject, which might properly have formed a separate chapter, beginning at this verse and ending at Num 10:29 [CALMET]. The cloud was a visible token of God's special presence and guardian care of the Israelites (Exo 14:20; Psa 105:39).