2 Kings 4:23
And he said, Why will thou go to him today? 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 m
Numbers 28:11
And in the beginnings of your months ye shall offer a burnt-offering to LORD: two young bullocks, and one ram, seven he-lambs a year old without blemish,
1 Chronicles 23:31
And to offer all burnt-offerings to LORD, on the Sabbaths, on the new moons, and on the set feasts, in number according to the ordinance concerning them, continually before LORD.
Isaiah 1:13-15
Bring no more vain oblations. Incense is an abomination to me. New moon and Sabbath, the calling of assemblies--I cannot bear iniquity and the solemn meeting.