2 Kings 4:23
And he will say, Wherefore goest thou to him this day? not new moon, and not Sabbath. And she will say, Peace.
Numbers 10:10
And in the day of your gladness, and in your appointments, and in the heads of your mouths, and ye shall sound with the trumpets over your burnt-offerings and over the sacrifices of your peace; and they were to you for a remembrance before your God: I am Jehovah your God.
Numbers 28:11
And in the beginnings of your months, ye shall bring near a burnt-offering to Jehovah; two bullocks, sons of a cow, and one ram, seven blameless lambs, sons of a year;
1 Chronicles 23:31
And to bring up for all burnt-offerings to Jehovah for the Sabbaths, for the new moons, and for the appointments by number, according to the judgment upon them, always before Jehovah
Isaiah 1:13-15
Ye shall not add to bring gifts of iniquity; incense, this an abomination to me; the new moon and the Sabbath, the calling of the assembly; I shall not be able to bear vanity and restraining.