New Year's Day is observed on 1 January, the first day of the Gregorian calendar year. It is celebrated by people worldwide and is often marked with church services, parades, parties, sporting events, and fireworks. The day was originally dedicated to Janus, the god of gateways and beginnings, in pre-Christian Rome. Different cultures celebrate the new year at various times throughout the year, depending on their lunar or lunisolar calendar. The day is also associated with making New Year's resolutions and calling one's friends and family. Babies born on New Year's Day are often called New Year babies and are celebrated in some hospitals with prizes donated by local businesses. The Eastern Orthodox Church, Anglican Church, and Lutheran Church celebrate the Feast of the Circumcision of Christ on 1 January, while the Roman Catholic Church celebrates the Solemnity of Mary, Mother of God. https://en.wikipedia.org/wiki/New_Year%27s_Day