What's the date of 1 month 1 day?

According to the query of Baidu Library, 1 month 1 day is New Year's Day, that is, Gregorian calendar 65438+1 month1,which is commonly known as "New Year" in most countries in the world. Yuan means "start", and the beginning of each number is called "yuan"; Dan means "heaven"; New Year's Day means "the first day". "New Year's Day" usually refers to the first day of the first month in the calendar. In China, the word "New Year's Day" has existed since ancient times and was first seen in the literary work "The Book of Jin". The "New Year's Day" in the history of China refers to the first day of the first month. The calculation method of the "first month" before the period of Emperor Wu of the Han Dynasty was very inconsistent, and the dates of New Year's Day (the first day of the first month) were also inconsistent.