Ezra
Ezra 3:1BSB·traditional attribution

By the seventh month, the Israelites had settled in their towns, and the people assembled as one man in Jerusalem.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. A general assembly of the returned Israelites at Jerusalem, in the seventh month, Ezr 3:1. We may suppose that they came from Babylon in the spring, and must allow at least four months for the journey, for so long Ezra and his company were in coming, Ezr 7:9.

Commenting on Ezra 3:1-7

John Gill Reformed Baptist @doctorgill

And when the seventh month was come,.... The month Tisri, which answers to part of September and October; or when it "was approaching" (p), for before it was actually come some following things were done, the people met, and an altar was built; for on the first day of it sacrifices were offered, Ezr 3:6, and the children of Israel were in the cities; their...

Geneva Bible Notes Reformed @genevanotes

And when the seventh month was come, and the children of Israel [were] in the cities, the people gathered themselves together as one man to Jerusalem. (a) Called Tishri which had part of September and part of October.