according to the daily duty to offer up as the commandment of Moses for Sabbaths, New Moons, and the three annual festivals: the Feast of Unleavened Bread, the Feast of Weeks, and the Feast of Tabernacles.
You shall observe the Feast of Harvest, the firstfruits of your labors, which you have sown in the field. You shall observe the Feast of Ingathering at the end of the year, when you have gathered in the fruit of your labors from the field.
In the seventh month, on the first day of the month, you will have a holy assembly. You will do no ordinary work. It is a day of blowing the trumpets for you.