2 Kings 4:23
And he said, Why wilt thou go to him to-day? it is neither new-moon, nor sabbath. And she said, It shall be well.
Numbers 10:10
Also in the day of your gladness, and in your solemn days, and in the beginnings of your months, ye shall blow with the trumpets over your burnt-offerings, and over the sacrifices of your peace-offerings; that they may be to you for a memorial before your God: I am the LORD your God.
Numbers 28:11
And in the beginnings of your months ye shall offer a burnt-offering to the LORD; two young bullocks, and one ram, seven lambs of the first year without spot;
1 Chronicles 23:31
And to offer all burnt-sacrifices to the LORD on the sabbaths, in the new moons, and on the set feasts, by number, according to the order commanded to them, continually before the LORD:
Isaiah 1:13-15
Bring no more vain oblations; incense is an abomination to me; the new moons and sabbaths, the calling of assemblies, I cannot endure; it is iniquity, even the solemn meeting.