What's the difference between the new calendar and the old one?

1. The new calendar is customarily called the solar calendar in China and the Gregorian calendar internationally, that is, the Gregorian calendar, that is, the AD. It was originally called the Christian calendar, also known as the Gregorian calendar or AD, and it is a method of chronology that originated from western society. This is a calendar made by Italian doctor and philosopher aloysius Lilius, who reformed julian calendar. 1582, the then Pope Gregory XIII approved its promulgation.

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

August 8, 2008 Olympic Games is the date of the new calendar.

Your birthday is July 14 in Gregorian calendar. To convert into Gregorian calendar, you must have your birth year, because the Gregorian calendar date of each year does not necessarily correspond to the lunar date of your birth year. For example, if you were born in July 1988 in the Gregorian calendar, then July 14 in the Gregorian calendar that year is June in the lunar calendar.

Extended data:

The lunar calendar was invented by China, and the solar calendar was invented by the West, and was later introduced to China. The lunar calendar is based on the cycle of the moon's revolution, and there are twenty-nine or thirty days in a month. But this will lead to a great deviation between the calendar and the reality in a few years, so every five to six years, there will be a "leap" in one month. ?

The solar calendar is based on the earth's rotation period. There are 365 days in a year, but the actual cycle is about 365 and a quarter days, so there will be a leap day every four years. The lunar calendar can accurately judge the direction of the moon, which is the standard for farmers to carry out agricultural work. The solar calendar can accurately see the changes of the earth's four seasons, but it is difficult to know the date of agricultural labor.

Therefore, in China, the lunar calendar and the solar calendar are generally combined into one.

References:

Baidu Encyclopedia-New Calendar (Advertisement)