Nehemiah
Nehemiah 9:3BSB·traditional attribution

While they stood in their places, they read from the Book of the Law of the LORD their God for a quarter of the day, and they spent another quarter of the day in confession and worship of the LORD their God.

Matthew Henry Presbyterian @wholebiblehenry

We have here a general account of a public fast which the children of Israel kept, probably by order from Nehemiah, by and with the advice and consent of the chief of the fathers. It was a fast that men appointed, but such a fast as God had chosen; for, 1. It was a day to afflict the soul, Isa 58:5.

Commenting on Nehemiah 9:1-3

John Gill Reformed Baptist @doctorgill

And they stood up in their place,.... In the outward court of the temple, where men used to stand when they prayed and confessed their sins: and read in the book of the law of the Lord their God; that they might the better know the mind and will of God, and do their duty: this they did one fourth part of the day; the...

Jamieson-Fausset-Brown Reformed @jfbcommentary

they . . . read in the book of the law--Their extraordinary zeal led them to continue this as before. one fourth part of the day--that is, for three hours, twelve hours being the acknowledged length of the Jewish day (Joh 11:9). This solemn diet of worship, which probably commenced at the morning sacrifice, was continued for six hours, that is, till the time of the evening sacrifice.