Ezekiel 46:1

46:1 Thus saith the Lord GOD; The gate of the inner court that looketh toward the east shall be shut the six working days; but on the sabbath it shall be opened, and in the day of the new moon it shall be opened.

Ezekiel 46:6

46:6 And in the day of the new moon [it shall be] a young bullock without blemish, and six lambs, and a ram: they shall be without blemish.