When did the advertising calendar start?

The chronology of a.d. begins in the first year of A.D. and begins in the year when Jesus was born. In the first year of AD, China happened to be in the first year of the reign of Emperor Ping of the Western Han Dynasty.

Yuan is the abbreviation of "Gregorian calendar era" and is a popular chronology in the world. Legend has it that Jesus was born in the first year of the Gregorian calendar. ?

European countries began to adopt this chronology. China began to adopt the Gregorian calendar month and day (19 12) one year after the Revolution of 1911, but at the same time adopted the chronology of the Republic of China, and China always used the lunar calendar in ancient times. ?

The calendar year of People's Republic of China (PRC) (China) adopts the AD calendar year system of most countries in the world, which was decided by the first plenary session of China People's Political Consultative Conference in September. 1949. At the meeting, everyone agreed to adopt the calendar system commonly used in most countries in the modern world, that is, the year A.D. was taken as the calendar year of new China. On September 27th, the second of the four resolutions adopted at the first plenary session of the China People's Political Consultative Conference was: "People's Republic of China (PRC) adopts the AD calendar year". ?

Extended data:

AD, Gregorian calendar era, originally called Christian calendar, also known as Gregorian calendar or AD, is a kind of chronology that originated from western society. This is a kind of calendar made by Italian doctor and philosopher aloysius Lilius, who reformed julian calendar. In A.D. 1582, the then Pope Gregory XIII approved the promulgation of this law.

This should start from the year when Jesus was born. In julian calendar and Gregorian calendars, the date after the birth of Jesus is called the principal year, that is, the year of AD (Latin). Before the birth of Jesus, it was called "BC". However, in order to dilute its religious color and avoid the antipathy of non-Christians, modern scholars mostly change their names to Common Times (abbreviated as C.E.) and Before Common Times (abbreviated as B.C.E).

In the second year after the outbreak of the Revolution of 1911 (19 12), the then government of the Republic of China adopted the Gregorian calendar as its national calendar. In terms of chronology, the chronological method of the AD and the chronological method of the Republic of China go hand in hand.

References:

Baidu encyclopedia-A.D.