Now on the twenty-fourth day of this month the people of Israel were assembled with fasting and in sackcloth, and with earth on their heads.
References for Nehemiah 9:1
Then those of Israelite descent separated themselves from all foreigners, and stood and confessed their sins and the iniquities of their ancestors.
They stood up in their place and read from the book of the law of the Lord their God for a fourth part of the day, and for another fourth they made confession and worshiped the Lord their God.
Then Jeshua, Bani, Kadmiel, Shebaniah, Bunni, Sherebiah, Bani, and Chenani stood on the stairs of the Levites and cried out with a loud voice to the Lord their God.
Then the Levites, Jeshua, Kadmiel, Bani, Hashabneiah, Sherebiah, Hodiah, Shebaniah, and Pethahiah, said, "Stand up and bless the Lord your God from everlasting to everlasting. Blessed be your glorious name, which is exalted above all blessing and praise."