Leviticus 23:21-24 New Living Translation (NLT)

21. That same day will be proclaimed an official day for holy assembly, a day on which you do no ordinary work. This is a permanent law for you, and it must be observed from generation to generation wherever you live.

22. “When you harvest the crops of your land, do not harvest the grain along the edges of your fields, and do not pick up what the harvesters drop. Leave it for the poor and the foreigners living among you. I am the lord your God.”

23. The lord said to Moses,

24. “Give the following instructions to the people of Israel. On the first day of the appointed month in early autumn, you are to observe a day of complete rest. It will be an official day for holy assembly, a day commemorated with loud blasts of a trumpet.

Leviticus 23