You believe it is 2024 AD, when in fact it is closer to 1224 AD. We don’t know the exact date because honestly we do not know.
The so called first millennium only lasted 300 years. Careful analysis of stratigraphy and coins reveals this.
The chronology accidentally triple counted the length of the Roman empire when they added up all the evidence e.g. reigns of kings.
Source: https://www.unz.com/article/how-long-was-the-first-millenium/