Numbers 33:38

38 And Aaron, the priest, ascended into the hill of Hor, for the Lord commanded, and there he was dead, in the fortieth year of the going out of the sons of Israel from Egypt, in the fifth month, in the first day of the month; (And Aaron, the priest, went up on Mount Hor, as the Lord commanded, and he died there, in the fortieth year of the going out of the Israelites from Egypt, in the fifth month, on the first day of the month;)

Numbers 33:38 Meaning and Commentary

Numbers 33:38

And Aaron the priest went up into Mount Hor, at the
commandment of the Lord
Delivered to Moses:

and died there in the fortieth year after the children of Israel were
come out of Egypt;
not being suffered to go with them into the land of Canaan, because of his sin of unbelief at Kadesh, the last place from whence they came: in Mount Hor he died,

on the first day of the fifth month;
the month Ab, answering to part of July and part of August; so that he lived but four months after his sister Miriam; see ( Numbers 20:1 Numbers 20:25-29 ) .

Numbers 33:38 In-Context

36 from thence they went forth, and came into the desert of Zin; this is Kadesh. (and they went forth from Eziongaber, and pitched their tents in the wilderness of Zin; that is, Kadesh.)

37 And they went forth from Kadesh, and they setted tents in the hill of Hor, in the last coasts of the land of Edom. (And they went forth from Kadesh, and they pitched their tents on Mount Hor, on the border of Edom.)

38 And Aaron, the priest, ascended into the hill of Hor, for the Lord commanded, and there he was dead, in the fortieth year of the going out of the sons of Israel from Egypt, in the fifth month, in the first day of the month; (And Aaron, the priest, went up on Mount Hor, as the Lord commanded, and he died there, in the fortieth year of the going out of the Israelites from Egypt, in the fifth month, on the first day of the month;)

39 when he was of an hundred and three and twenty years old.

40 And (the) Canaanite, the king of Arad, that dwelled at the south (who lived in the south), in the land of Canaan, heard that the sons of Israel came thither.