New Year's Day, as celebrated in the West, was established by the Roman Emperor Julius Caesar in 46 BC. It is not the biblical new year (which is in the spring), nor is it the harmless celebration that most believe it to be.
The first month was called Januarius by the pagan Romans who worshipped Janus (Latin, Ianus), the god (demon) of beginnings and transitions, thence also of gates, doorways, endings and time. Janus was a two-faced god since he looks to the future and to the past. The month of January was named in honour of this demonic entity by the pagan Romans and was adopted by the paganised Roman Catholic Church in place of the true biblical start of the year.
The true First Month is known as Aviv or the 'Month of Blossoms' and Yahweh's New Year's Day begins on Aviv 1, the first day of Aviv, which is 14 days before Pesach or Passover:
This is not an option, it is a mitzvah (commandment) - this shall be your New Year's Day - not 1 January or any of the dozens of other 'new year days' observed by other religions and cultures in the world.
"Now Yahweh spoke to Moses and Aaron in the land of Egypt, saying, 'This month shall be your beginning of months; it shall be the first month of the year to you'" (Ex.12:1-2, NKJV).
The annual calendar is to be calculated from Aviv 1 and no other day and to refuse to do so is an act of disobedience. Disobedience leads to a withdrawal of the Ruach haQodesh (Holy Spirit) and its replacement by 'another spirit'.
In the articles on this webpage you will learn about the Western tradition of celebrating the New Year on 1 January, the demon that governs it and the unnoticed dark spiritual activity that goes on at this time of the year.
The Anglican, Luthern and Eastern Orthodox Churches observe a man-made festival called the 'Feast of the Circumcision of Christ' on 1 January. In the General Roman (Catholic) Calendar, the 1 January feast, which from 1568 to 1960 was called 'The Circumcision of the Lord and the Octave of the Nativity', is now named the 'Solemnity of Mary the Holy Mother of God' and the 'Octave Day of the Nativity of the Lord'.
The (false) assumption is made that Messiah was born on 25 December or Christmas day and that He must therefore have been circumcised 8 days later which is their justification for the observance of this feast on the pagan new year's day of Janus. For the true birthday of Messiah (Jesus), see Messiah's Birthday.
There is, in any case, no mitzvah (commandment) in the Bible requiring believers to observe the circumcision of Messiah. All the festivals have already been laid down by the Creator and we are neither to modify them nor add new ones. Thus '1 January' should be observed as an ordinary working day, without any sort of celebration, unless it happens to be a sabbath on any particular year.