When is year 0 AD? ——Revealing the "year of non-existence" in historical chronology
Recently, the discussion about the existence of "A.D. 0" in historical chronology has become a hot topic on the Internet. Many netizens are curious: Why did the AD year jump directly from 1 BC to 1 AD? Did AD 0 exist? This article will combine hot discussion content across the Internet, present relevant historical knowledge with structured data, and answer this question.
1. Statistics of hot topics across the entire network (last 10 days)
| Platform | Related topics | amount of discussion | Hot search ranking |
|---|---|---|---|
| # ad0yeardoesn’t exist# | 128,000 | No. 17 | |
| Zhihu | "Why is there no year 0?" | 3560 answers | 3rd in science list |
| Douyin | Historical trivia: AD 0 | 420,000 likes | Knowledge TOP10 |
| Station B | [Hardcore Science Popularization] The secret of AD chronology | 890,000 views | Popular knowledge area |
2. The Origin and Controversy of the AD Calendar System
The AD calendar was proposed by Dionysius Isiges, a Christian monk in the 6th century, and is based on the legendary birth year of Jesus Christ. However, the concept of "zero" had not yet been popularized in European mathematics at that time, which led to the direct transition of the dating system from 1 BC to 1 AD.
| critical time point | event | influence |
|---|---|---|
| 525 years | Dionysius proposed the AD | Lay the foundation for modern chronology |
| 8th century | The concept of zero was introduced to Europe | The chronological system has been finalized and difficult to modify. |
| 17th century | Astronomers proposed the concept of "year 0 AD" | For professional astronomical calculations only |
3. Why does the year 0 AD not exist?
1.historical reasons: When the AD era was established, Europe used Roman numerals for counting (a representation without zero).
2.mathematical reasons: At that time, Western mathematics had not yet established a complete conceptual system of "zero".
3.Practical reasons: The chronological system is mainly used for religious records, and the year 1 AD is regarded as the "first year".
4. Different handling methods in professional fields
| field | Processed in AD 0 | Example |
|---|---|---|
| History | Do not admit | 1 BC → 1 AD |
| astronomy | acknowledge | 1 BC = Year 0 |
| computer science | ISO standard recognition | 1 BC = 0000 years |
5. Hot topics of discussion among netizens
1.Chronology confusion problem: The calculation of centuries BC is prone to errors (for example, the 1st century BC is actually 100 BC-1 BC).
2.cultural differences: The comparison and conversion of the Chinese lunar calendar and the Gregorian calendar triggered discussions.
3.Film and television works are misleading: Some historical dramas incorrectly label the "0 AD" timeline.
6. Correctly understand the AD era
Although modern astronomy and computer fields use the concept of "year 0", traditional chronological methods still need to be followed in daily historical expressions. This seemingly simple numerical problem actually reflects the evolution of human civilization’s perception of time.
It can be seen from this hot discussion on the Internet that the public's attention to historical details is increasing. Understanding the particularity of the AD chronology not only helps to accurately understand the chronological order of historical events, but also allows you to appreciate the interesting details in the development of human civilization.
check the details
check the details
en
