Leviticus 23:24

24 Speak to the children of Yisra'el, saying, In the seventh month, on the first day of the month, shall be a solemn rest to you, a memorial of blowing of trumpets, a holy convocation.

Leviticus 23:24 In-Context

22 When you reap the harvest of your land, you shall not wholly reap the corners of your field, neither shall you gather the gleaning of your harvest: you shall leave them for the poor, and for the sojourner: I am the LORD your God.
23 The LORD spoke to Moshe, saying,
24 Speak to the children of Yisra'el, saying, In the seventh month, on the first day of the month, shall be a solemn rest to you, a memorial of blowing of trumpets, a holy convocation.
25 You shall do no servile work; and you shall offer an offering made by fire to the LORD.
26 The LORD spoke to Moshe, saying,
The Hebrew Names Version is in the public domain.