Leviticus 23:24

24 Speak to the people of Israel, saying: In the seventh month, on the first day of the month, you shall observe a day of complete rest, a holy convocation commemorated with trumpet blasts.

Leviticus 23:24 In-Context

22 When you reap the harvest of your land, you shall not reap to the very edges of your field, or gather the gleanings of your harvest; you shall leave them for the poor and for the alien: I am the Lord your God.
23 The Lord spoke to Moses, saying:
24 Speak to the people of Israel, saying: In the seventh month, on the first day of the month, you shall observe a day of complete rest, a holy convocation commemorated with trumpet blasts.
25 You shall not work at your occupations; and you shall present the Lord's offering by fire.
26 The Lord spoke to Moses, saying:
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.