Ezekiel 1:1
A Vision of God’s Glory
1:1 In the thirtieth year, on the fifth day of the fourth month, while I was among the exiles at the Kebar River, the heavens opened and I saw a divine vision.
Ezekiel 45:20
45:20 This is what you must do on the seventh day of the month for anyone who sins inadvertently or through ignorance; so you will make atonement for the temple.