Leviticus 23:24

24 “Say to the Israelites: ‘On the first day of the seventh month you are to have a day of sabbath rest, a sacred assembly commemorated with trumpet blasts.

Read Leviticus 23:24 Using Other Translations

Speak unto the children of Israel, saying, In the seventh month, in the first day of the month, shall ye have a sabbath, a memorial of blowing of trumpets, an holy convocation.
"Speak to the people of Israel, saying, In the seventh month, on the first day of the month, you shall observe a day of solemn rest, a memorial proclaimed with blast of trumpets, a holy convocation.
“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.