2 Kings 4:23
And he said, "Wherefore wilt thou go to him today, while it is neither new moon nor Sabbath day?" And she said, "Be content."
Numbers 10:10
Also, when ye be merry in your feast days and in the first days of your months, ye shall blow the trumpets over your burnt sacrifices and peaceofferings, that it may be a remembrance of you before your God. I am the LORD your God."
Numbers 28:11
And in the first day of your months, ye shall offer a burnt offering unto the LORD: two young bullocks, and a ram, and seven lambs of a year old without spot,
1 Chronicles 23:31
And to wait on every offering of burnt sacrifices unto the LORD, the Sabbaths and first days of the months, and other feastful days by number and custom, was their office ever before the LORD.
Isaiah 1:13-15
Offer me no more oblations, for it is but lost labour. I abhor your incense. I may not away with your new moons, your Sabbaths and solemn days. Your fastings are also in vain.