When did the advertising calendar start?

1582, the then Pope Gregory XIII approved its promulgation. Liu Kan came to power in 200 AD. ..

It began in the year when Jesus was born. In julian calendar and Gregorian calendars, the date after the birth of Jesus is called the principal year, Anodomini (AD) (Latin). Before the birth of Jesus, it was called "BC". However, in order to dilute its religious color and avoid causing antipathy among non-Christians, modern scholars mostly change its name to Common era (abbreviated as C.E.) before Common Era (abbreviated as B.C.E).

The 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 chronology, the chronology of the AD is parallel to that of the Republic of China.

1949 On September 27th, the first plenary session of China People's Political Consultative Conference passed that the newly established People's Republic of China (PRC) adopted the Gregorian calendar and the Gregorian calendar year commonly used by most countries in the international community. However, the lunar calendar has not been abolished. Today, traditional festivals in China are based on the lunar calendar.

Extended data:

People's Republic of China (PRC)'s calendar and calendar year adopt the calendar year of most countries in the world, but it still uses the traditional lunar calendar of China, which was decided by the first plenary session of the China People's Political Consultative Conference in September. 1949. At the meeting, everyone agreed to adopt the common calendar system in most countries in the modern world, that is, the year of New China should be in the western calendar year. On September 27th, the second of the four resolutions adopted at the first plenary session of China People's Political Consultative Conference was: "People's Republic of China (PRC) adopted the Gregorian calendar over the years".

There are many methods of chronology in countries all over the world, such as Ganzhi Chronology, Taoism Chronology, Emperor Chronology, Astronomy Chronology, History Chronology and so on. In addition, there are Buddhist chronology, Islamic chronology, Jewish chronology, Japanese chronology, Greek chronology and so on.

In China, as early as 4000 BC, it had its own calendar. From the day of the Yellow Emperor, in a long historical period, China used the "chronology of trunk branches", that is, the ten-day trunk and the twelve-day branch were combined separately, and every 60 years was a cycle. Up to now, (20 18) is the traditional calendar of China kaiyuan 47 15.

Since the starting point of the year is 1, most scientists who have a full understanding of the year and the most authoritative astronomical institutions in the world clearly support the statement that 2 1 century began at 200 1.

References:

Baidu encyclopedia-a.d.