How to calculate the annual horoscope with leap month?

Asking such a question shows that your understanding of the eight-character arrangement is too superficial. I tell you: the arrangement and calculation method of the eight characters are strictly in accordance with the 12 section in 24 solar terms. There are only 24 solar terms and a full moon in a year, which is the iron law of death. Understand this truth, won't your problem be solved?