2 Kings 4:23
And he said, Wherefore 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 set feasts, and in the beginnings of your months, ye shall blow the trumpets over your burnt-offerings, and over the sacrifices of your peace-offerings; and they shall be to you for a memorial before your God: I am Jehovah your God.
Numbers 28:11
And in the beginnings of your months ye shall offer a burnt-offering unto Jehovah: two young bullocks, and one ram, seven he-lambs a year old without blemish;
1 Chronicles 23:31
and to offer all burnt-offerings unto Jehovah, on the sabbaths, on the new moons, and on the set feasts, in number according to the ordinance concerning them, continually before Jehovah;
Isaiah 1:13-15
Bring no more vain oblations; incense is an abomination unto me; new moon and sabbath, the calling of assemblies,- I cannot away with iniquity and the solemn meeting.