After the founding of the People’s Republic of China, my country adopted the AD chronology method. The AD chronology, also known as the "Gregorian calendar" or the "Gregorian calendar", is a method of chronology from Western society, which originated in the Middle Ages. Take Jesus’ birth year as the axis.
When we use the AD epoch, we will find that the 12 months of the year are not regularly large and one small. February is divided into peace and leap, which is always better than other months. A few days less, and August is the same month as July, so what is going on?
Let’s first talk about the predecessor of the A.D. chronology, 公元纪年法 is derived from the Julian calendar , the Julian calendar is the Roman dictatorship in the ancient Roman period In order to publicize himself, Guan Caesar revised the ancient Roman calendar according to the suggestion of astronomer Sosiqin. This calendar divides a year into 12 months. The singular number is a big month, the even number is a small month, and February is a flat month. The average year and month are the 29th, and the leap year and month are the 30th.
In order to promote his greatness, Caesar changed July to his name: "July", which means Julian in Chinese, because Caesar was born this month.
After Caesar’s death, Caesar’s adopted son Octavius reunified Rome after the Southern and Northern Wars. At this time, Rome had entered the monarchy, and the Senate awarded Octavius "Augustus" Title. "Augustus" in English means August. At the same time Octavian was born in this month, so one day is added to this month, so August also becomes larger , and the following months are extended according to the law.
The year can't be added casually. In August, one day is added, so where do you subtract one day from? So the Romans thought: just subtract one day from February, Because February is the day of execution in ancient Rome, it is very unlucky, so the Romans hope that this month will pass quickly, so February becomes 28 days in a normal year. Leap year 29 days , in short, it is only a few days.
Author: Lone Star
