'New moon' in the Bible

Blow the trumpet in the new moon, in the time appointed, on our solemn feast day.

And it shall come to pass, that from one new moon to another, and from one sabbath to another, shall all flesh come to worship before me, saith the LORD.

Thus saith the Lord GOD; The gate of the inner court that looketh towards 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.

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.

Saying, When will the new moon be gone, that we may sell corn? and the sabbath, that we may set forth wheat, making the ephah small, and the shekel great, and falsifying the balances by deceit?