Numbers 28:11
At the beginning of every month, you are to present to the LORD a burnt offering of two young bulls, one ram, and seven male lambs a year old, all unblemished,

Isaiah 66:23
From one New Moon to another and from one Sabbath to another, all mankind will come to worship before Me," says the LORD.

Ezekiel 46:1
This is what the Lord GOD says: 'The gate of the inner court that faces east must be kept shut during the six days of work, but on the Sabbath day and on the day of the New Moon it shall be opened.