‘On the first day of the seventh month, you shall have a holy [summoned] assembly; you shall do no laborious work. It will be for you a day of blowing the trumpets (the shophar, ram’s horn).

and he shall offer his gift to the Lord: one male lamb a year old without blemish as a burnt offering, and one female lamb a year old without blemish as a sin offering, and one ram without blemish as a peace offering,

According to the number of days in which you spied out the land [of Canaan], forty days, for each day, you shall bear and suffer a year for your sins and guilt, for forty years, and you shall know My displeasure [the revoking of My promise and My estrangement because of your sin].