Christian new yr date
You're referring to the Christian New Year, also known as the Feast of the Circumcision!
In the Christian calendar, the Feast of the Circumcision is celebrated on January 1st, which marks the eighth day after Christmas. According to tradition, this day commemorates the circumcision of Jesus Christ, which is believed to have taken place on the eighth day after his birth, as commanded by Jewish law.
In some Eastern Orthodox churches, the Feast of the Circumcision is celebrated on January 14th, which is also known as the Feast of the Holy Name. This date is based on the Julian calendar, which is 13 days behind the Gregorian calendar used by most Western Christian churches.
The Feast of the Circumcision is not a widely observed holiday in modern times, but it is still celebrated by some Christian denominations and is seen as an important part of the Christmas season.