We've searched all the references we can find that pertain to new moons. There is one that indicates that two new moons might be observed as Sabbaths but no more than that.
Ezr 3:5 And afterward [offered] the continual burnt offering, both of the new moons, and of all the set feasts of the LORD that were consecrated, and of every one that willingly offered a freewill offering unto the LORD.
Some observe the new year new moon and some don't and honestly, I'm not sure what stand to take on that. Privately I spend the day in quiet study and just don't make an issue of it with anyone else. If it is God's will, He will reveal what He wants me to do about it in His time. He knows my concerns about it.
It seems to me that celebrating all the new moons when God hasn't commanded that is adding to God's word. He didn't give us authority to take away or add to His word. I do understand the purpose of calculating the new moons in spring and fall to set the Holy Days.
I don't see anything in the Bible to indicate that we are to observe all new moons as Sabbaths and that is where I look for truth, to the Bible. But trying to convince someone whose mind is made up is nearly impossible and this man is well versed in the scripture. She and I are both very worried about him. A

Email: Besq@ispwest.com