'New moon' in the Bible

And David said unto Jonathan, Behold, tomorrow is the new moon, and I should not fail to sit with the king to eat: but let me go, that I may hide myself in the field unto the third day at evening.

Then Jonathan said to David, Tomorrow is the new moon: and you shall be missed, because your seat will be empty.

So David hid himself in the field: and when the new moon was come, the king sat himself down to eat the feast.

And he said, Why will you go to him today? it is neither new moon, nor sabbath. And she said, It shall be well.

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, says the LORD.

Thus says the Lord GOD; The gate of the inner court that faces 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 on 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.

They have dealt treacherously against the LORD: for they have begotten pagan children: now a new moon shall devour them with their heritage.

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

Let no man therefore judge you in food, or in drink, or in respect of a holy day, or of the new moon, or of the sabbath days: