"On the first day of the seventh month, you are to hold a sacred assembly, and you must not do any regular work. This will be a day for you to sound the trumpets.

Exodus 23:16
You are also to keep the Feast of Harvest with the firstfruits of the produce from what you sow in the field. And keep the Feast of Ingathering at the end of the year, when you gather your produce from the field.

Exodus 34:22
And you are to celebrate the Feast of Weeks with the firstfruits of the wheat harvest, and the Feast of Ingathering at the turn of the year.

Leviticus 23:23
The LORD also said to Moses,

Leviticus 23:24
"Speak to the Israelites and say, 'On the first day of the seventh month you are to have a day of rest, a sacred assembly announced by trumpet blasts.

Numbers 28:26
On the day of firstfruits, when you present an offering of new grain to the LORD during the Feast of Weeks, you are to hold a sacred assembly; you must not do any regular work.

Numbers 29:2
As a pleasing aroma to the LORD, you are to present a burnt offering of one young bull, one ram, and seven male lambs a year old, all unblemished,

Numbers 29:12
On the fifteenth day of the seventh month, you are to hold a sacred assembly; you must not do any regular work, and you shall observe a feast to the LORD for seven days.

And in the seventh month, on the first day of the month, you shall have an holy convocation; you shall do no servile work: it is a day of blowing the trumpets to you.